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Semi truck secondary air tank losing air?
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Semi truck secondary air tank losing air?
primary airs up to 125 as it should secondary gets none. Whenever my truck is parked for a couple of days I come back to empty air tanks and when I start it up it will fill up primary tank fairly quick and sometimes it won't start filling up 2ndary tank for several minutes, especially when its cold (in single digits) is there crossover that might be frozen over or what should I look at to diagnose the problem. nd repair as necessary. Must be used whenever two sources of air are used to operate a single device or system. All air lines should lead to your air tanks. Air brake systems consist of three major subsystems: 1. This heavy duty Freightliner Air Tank Assembly with dual air tank chambers will help maintain the effectiveness of your air-actuated braking and suspension systems by replacing the old corroded, leaking air tank. If there is a leak in either subsystem, the one-way check valves prevent air from bleeding out from the subsystem that still maintains air pressure. Air brakes are used in large heavy vehicles, particularly those having multiple trailers which must be linked into the brake system, such as. Air tanks for semi trucks have 150 PSI working pressure, NPT threaded ports and conform to SAEJ10B specs. The air loss rate for a straight truck, tractor or bus is. Apr 25, 2022 · A little #dayinthelife #vlog on what we did to fix this issue. 60 USD Not Yet Rated. And once it does build up and you shut the truck off the air pressure don't seem to drop. 1 psi in 60 seconds 1 psi in a minute 2 psi in a minute 3 psi in a minute 3 psi in a minute. Guys, I have this issue of tranny not going into gear with low air pressure. The air loss rate for a straight truck, tractor or bus is. Dual Air Brake System. Turned the truck back on and the primary filled first as normal without any purging from the dryer. If the primary is building okay and you don't get any air from the secondary port on the dryer, then the dryer is likely clogged internally and has failed. i bet it dumped 5 gallons of coolant out in the shop floor. Then after connected the line back to compressor and start truck May 25, 2015 · Truck was building air fine for about an hour driving around today and all of a sudden my low air pressure warning buzzer comes on and I only have about 60PSI in both tanks. Trace the air line from the supply tank to the primary tank. U shouldn't lose air while the truck is parked overnight. Turned the truck back on and the primary filled first as normal without any purging from the dryer. Air tanks for semi trucks have 150 PSI working pressure, NPT threaded ports and conform to SAEJ10B specs. But it didn't build when when connected directly to dyer. e should be 5/8" O or 1/2" 1 Make sure oil return in compressor and m ne surfaces are clear andaligned caution when using gasket sealant ake sure air is properly fillered. Engine Brake Use - Engine brake use is common among large semi-trucks. 04 International 9400i Secondary Tank Losing Air Discussion in 'International Forum' started by betochas, Dec 23, 2013. I bled the system down and built pressure back up. The shop however hooked the shop airline to the hose from compressor to dryer, won't build up. If you still don't find any leaks, it could be that an air tank on the secondary side has a rust hole developing behind one of the attaching straps. With the engine running, use a piece of cardboard or some paper to run alongside the main discharge line from your air compressor where it wraps around the back of the engine going to. Trace the air line from the supply tank to the primary tank. Look at your air dryer. i saw an 05 volvo with the volvo engine come in for service where i drove last year. Sep 27, 2016 @ 1:57am. application for 30 seconds. NEW YORK, March 8, 2023 /PRNewswire/ -- GreenPoint Partners ('GreenPoint' or the 'firm'), an alternatives firm investing at the intersection of re. It's the opposite (when I inflate the air bags there is air leak coming from the leveling valve, making the secondary tank drop fast. You can also choose to exchange a U savings b. Before I did the cups. Nov 19, 2014 2013 peterbilt is not getting secondary air. I'm almost always fully loaded with max weight of 80k gross. Only lines off of tank goto ebrake, one small line to what i think is an AMU? on rear of truck, one small line up to govenor i think and another big line out to an air hose reel. Must be used whenever two sources of air are used to operate a single device or system. uncleal13, Feb 18, 2021 #3 Feb 19, 2021 #4. Pay attention to behind the dash, firewall pass through and air tanks. Brake failure is still a factor in almost 30% of semi-truck accidents, making it the leading reason for collisions. Fuel tanks may change weight depending on different temperatures, but these weight changes are minimal. Check valve is froze or stuck between the wet and the secondary tank, if 1 up one down, if both up either protection valve or leveling valve froze. I also noticed that after shutting the truck off, the dryer continues to let air out for up to 10-15 minutes and there seems to be quite a bit of water when I drain the tanks. In most cases, a fault in the secondary air system can be identified by a scratching or whistling noise, or by the secondary air pump no longer working Semi is dumping air out of the bendix air drier and can't figure it out When you start the truck, air builds to 120 psi no problem and no leaks. You can also choose to exchange a U savings b. Then with engine at idle or off, and all brakes set, release the parking brake (tractor) only and watch which system primary or secondary drops as the spring brakes fill and release. Tramec Sloan 461045 Universal Truck Air Tank, 9. The check valve looks just like a hex head plug in the side of the. Sounds like you need a new shop. Air brake systems consist of three major subsystems: 1. Usually it is the fitting where air line comes from the first tank, and goes to the second tank. Also, both air tanks lose every bit of pressure in about an hour & the rear air suspension deflates completely. Call 1-800-358-4751 for commercial truck parts For trucks and buses, the total reservoir volume (combined volume of primary, secondary, and supply reservoirs) should be at least 12 times the combined volume of all the service brake. Frozen moisture can disable compressors, along with any of the multitude of air valves in the system. If the primary is building okay and you don't get any air from the secondary port on the dryer, then the dryer is likely clogged internally and has failed. Most newer trucks ( at least what I’ve seen) fill primary and secondary at the same time. What happens when air brakes fail? When the air brake system is not pressurized enough, a low-air pressure alarm will sound. Should be able to hear it. boneebone, Jun 10, 2014 #4. ISSUE : truck came in with building too much air issue , 130 + psi in the tanks both tanks. NO → There is a leak in the secondary air system. If you have a shop to warm up the truck, I would drain the air tanks of water. e thing you can do is get a spray bottle with soapy water and start spraying at your secondary tank, then the lines and go from there. Brakes do not lose air. Your truck may have 2 or 3 air tanks. Then, use a pressure gauge to check the air pressure and look for any leaks. Feb 1, 2014 · Usually mounted on the end of the tanks. The first tank had the most water but the release valve is on the other side This truck wasn't building air so we checked the tanks and this happened! The first tank had the most water. sorghum mill for sale 888-888-7990 Kenworth International Volvo Raney's Truck parts carries heavy duty semi-truck air tanks for nearly every make and model; everything on offer is guaranteed to be a perfect replacement for OEM or factory-style components. This system is not perfect, however. This can result in no spring brake release or the spring brakes applyi. Feb 9, 2013 · 5. It is responsible for transmitting compressed air to various parts of the truck, allowing the driver to control the brakes, suspension, and other important functions. I bought the truck in October, according to maintenance records the compressor was replaced in September, governor and dryer were replaced in May. Air compressor dumps air into the wet Tank, from there it splits going to the primary and secondary, each of which has a check valve to isolate that system. Aug 31, 2016 · There should be a double valve between your dry tank and your wet tank. Typically, this type of compressor is driven by the truck's engine. And the second is located between the primary and secondary air tanks. 1 The compressor must raise the air systems pressure using maximum engine rpm, from 85 psi to 100 psi within the time calculated: Actual reservoir capacity x 25 \ required reservoir capacity. Inspect the air line from the primary air tank to the service brake control valve/pedal assembly. an air compressor makes condensation and removing the air from your tanks helps with that, 2; as part of your air brake pretrip ( wich im sure no one does) the. Turned the truck back on and the primary filled first as normal without any purging from the dryer. Charcoal canisters have been used since 1970 to reduce the air pollution that is pro. Posted February 10, 2013. OldPete379 Thanks this OldPete379 Bobtail Member Feb 18, 2014 0. boneebone, Jun 10, 2014 #4. Diagnostic procedures on all M939 series trucks for no air to the spring brake tanks. Get the truck to max air pressure. Scuba diving is a thrilling adventure that allows us to explore the wonders of the underwater world. Now that I think about it, if this is a remote or compressor mounted governor, you should have 2 air lines going to it. how to get vizio soundbar out of demo mode Most newer trucks ( at least what I’ve seen) fill primary and secondary at the same time. However, certain endorsements and restrictions apply when driving. I considered driving it back to OKC but there isn't any air to the splitter, so I can't shift to high range. I bought the truck in October, according to maintenance records the compressor was replaced in September, governor and dryer were replaced in May. CDL Air Brake Valves. With thousands of parts to make your truck shine on the road, to. If no air there then remove the line at the supply tank and see if air comes out. 1 psi in 60 seconds 1 psi in a minute 2 psi in a minute 3 psi in a minute 3 psi in a minute. Also spray the leveling valve and all the lines around it. And now the air bag holds air about 3 days. No secondary tank. Then apply 90 psi or more with the brake pedal. step 6. Spanish residents aren’t merely out of work—they’re out of the country. Replaced them since it was cheaper than a new dryer. Then after connected the line back to compressor and start truck May 25, 2015 · Truck was building air fine for about an hour driving around today and all of a sudden my low air pressure warning buzzer comes on and I only have about 60PSI in both tanks. * Made Of Polished Aluminum. Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Nestor, Mar 1, 2018. I'm almost always fully loaded with max weight of 80k gross. One air leak was found by tank and fixed but did not solve problem Not holding 60psi when shut off Caterpillar semi truck engine. Watch the primary and secondary air pressure gauges or needles if the system has two needles in one gauge. start truck, is air leaking out the governor port of the compressor, (if it is compressor is shot), if not how fast does it build 120 psi in the tank. Inspect the primary air tank for cracks. You still have gauge issues. victorias secret corset tops Sports provide a chance. Damaged sections or fittings must be replaced. AIR BUILD UP. Your engine requires a steady flow of air to function optimally. Practice comes from doing it, from daily h. * Made Of Polished Aluminum. I have separate gauges for each and they do not always have the same pressure in each The tanks never lost all air pressure to begin with. One is your primary and one is your secondary air tank. , Wrap a tin stick flag around that spot and keep searching for other leaks. Mechanic's Assistant: I understand that youre experiencing a loss of air pressure when getting loaded or unloaded from the secondary air tank, and the truck Mechanic will be able to help you with this issue. It is present on either side of the engine, and each truck has one compressor which can last for 15 years. I have separate gauges for each and they do not always have the same pressure in each The tanks never lost all air pressure to begin with. Easiest way for a shade tree mechanic, hook the output of the compressor to an air tank (portable tire inflation tank) take the governor off. Mar 6, 2015 · Secondary is your front brakes and is all your accessory air circuits such as air suspension, air seats, air horn, 5th wheel slide and so on. In modern air brake systems, the warning is both visual and audible. Sounds like you need a new shop. Beleaguered EV company Lordstown Motors seemed. Demand for new vehicles has been flat, but May could see a rebound as lower gas prices encourage customers—particularly those l. Measures 33" long weld to weld. Location:Covington township pa. -Low air pressure in the brake system (below 60 psi).
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For some time the truck was spitting at 120. Nov 3, 2002 · Air downstream of the wet tank is divided between primary and secondary reservoirs. The purpose of secondary air storage is for dedicated end-use systems or for additional capacity at the. Before I did the cups. Follow the air lines from the compressor. Make sure you are not getting any water out of the secondary tank also. ) Insufficient Brakes-Brakes need adjusting, lubricating or relining. When driving down the road at the truck will start to loose air in the secondary system only. 04 International 9400i Secondary Tank Losing Air Discussion in 'International Forum' started by betochas, Dec 23, 2013. There is a fuel tank located on each side of the tractor, and fuel is distributed betwee. I have replaced the little flipper valve that is to allow air to the trialer with the brakes are applied or not applied there is a small hiss that comes out of both air lines. It is a significant leak. The split system ensures that, in the event of a failure, the entire system will not become inoperative, and the. Is one isolated by a check valve or something? Just curious conceptually how it is set up. Whenever my truck is parked for a couple of days I come back to empty air tanks and when I start it up it will fill up primary tank fairly quick and sometimes it won't start filling up 2ndary tank for several minutes, especially when its cold (in single digits) is there crossover that might be frozen over or what should I look at to diagnose the problem. One would think the air pressure would equalize between the two and they would be the same. I have seen systems with one tank that has primary and secondary compartments built in, and systems with some type of main, secondary or auxiliary tank for every component of the system, as many. ISSUE : truck came in with building too much air issue , 130 + psi in the tanks both tanks. This can result in no spring brake release or the spring brakes applyi. Feb 9, 2013 · 5. i saw an 05 volvo with the volvo engine come in for service where i drove last year. large puffy long nipples pics Each system has its own reservoir, plumbing, and brake chambers. Did it at 12 degrees out on a cold start, then 3 days later at 60 degrees after sitting two hours and today at 50 degrees after sitting an hour Looked in fuel tanks while truck running and saw air bubbles meaning the cups or injectors are the culprit. Until recently all was well then after one week of being parked, all of a sudden the truck developed an air problem. Nov 11, 2020 · Have you ever had issues with your truck not building air pressure? Here's how to troubleshoot the issue! Feb 6, 2022 · First off i hear my truck go pssshh 30-40 seconds or so which is getting annoying. Posted February 10, 2013. Also, both air tanks lose every bit of pressure in about an hour & the rear air suspension deflates completely. The check valve looks just like a hex head plug in the side of the. But there is a secondary mortgage market. If your tanks are empty by morning then it is time to get the leak in the air system fixed Chris. SKÅNES FAGERHULT, Sweden, May. Observe the primary and secondary air-tank pressure gauges. Ask Your Own Medium and Heavy Trucks Question. Further questioning revealed that these air tanks had never been bled since. It was almost 2 mins before which was ok, but now its like i need to fix this problem. Inspect Air Lines and Fittings. Mine went bad and I could stop the air output with my thumb, after the mech. Aug 1, 2013 · It is easier to find with shop air, connected to the system, chock the tires and release the brakes wet you hand and see if there is air from the relay between the axles, if there is a leak you need to remove the service brake lines from the brake pots and look for the leaker. Page 3 of 3 < Prev 1 2 3 Air truck up fully, key off, wait 10 seconds, key on and listen for air leak at fan clutch. built in shower shelves There are 4 valves: Primary, Secondary, Wet. when loading/unloading both tanks drop to 60-70 psi. Dec 7, 2022 · The vehicle’s driver can monitor the air system pressure via a dash-mounted pressure gauge. DB What to watch for today US auto sales may rev up. OldPete379, Jun 10, 2014 #5 BeenJammin Light Load Member my 2007 Columbia with Detroit is losing air in secondary tank when you drop back to idle. The air supply is maintained through an arrangement of air tanks. air tank to the service brak. Observe the primary and secondary air-tank pressure gauges. Check the manufacturer's specifications. Past the wet tank (supply reservoir) the air. Renting an apartment comes without the commitment of a mortgage, but often without the luxury of customization, too. Try draining the air tank and make sure that it is not full of water or any type of oil or sediment. i saw an 05 volvo with the volvo engine come in for service where i drove last year. I have separate gauges for each and they do not always have the same pressure in each. Let air gauges settle, there should be a 10 psi drop in the Primary gauge, this is due to system regeneration (purge) and is normal. If the primary is building okay and you don't get any air from the secondary port on the dryer, then the dryer is likely clogged internally and has failed. First it was holding air pressure for about good hour before it drops down to 100 psi and eventually air compressor kicks up and fills it back up. Visually inspect all lines for damage. If the desiccant is exhausted, it may be necessary to replace. Old Man, Sep 18, 2014. Air leaks in the transmission system (if applicable): If your semi. When it comes to maintaining and repairing semi trucks, finding the right repair shop is crucial. Nov 19, 2014 · Nov 19, 2014 2013 peterbilt is not getting secondary air. iu health patient portal login Confirm that the correct cut-out governor pressure for the air compressor is between 120 PSI and 135 PSI. Enjoy the video !! Don't forget to hit. Nov 2, 2022 · Technician: Justin W. When the truck is off are you losing air pressure? boneebone, Jun 10, 2014. There's so many weak links in the entire truck system, no wonder the trucks are so unreliable Truck is losing air backing under a trailer. If You Have Any Questions On Any Of Our Products Please Call Our Parts Specialist At: 1 (800) 374-6488, Email: onlinesales@traceyroad. Satisfied Customers: 47,041. wet tank first, then the dry then the service. Note: The pressure protection valves in the Bendix® AD-IS® air dryer help protect the air brake system in the. Also, both air tanks lose every bit of pressure in about an hour & the rear air suspension deflates completely. As soon as I turned the truck on with the new parts, it purged 3 times and then my 2ndary tank started to fill before my primary. Charcoal canisters have been used since 1970 to reduce the air pollution that is pro. The brakes it loses the air pressure to about 50 psi and will not gain any back until the yellow air brake valve is applied. I know the fuel system is sucky air where do I begin, I did notice when I use the prime plunger and the. I just use a little dish soap mixed with water in a spray bottle to find air leaks, as far as UV dye goes an air brake system ain't quite like an a/c system there is quite a pressure difference and a/c systems are made to circulate oil and the die goes runs with the oil Feb 22, 2013 · Easiest way for a shade tree mechanic, hook the output of the compressor to an air tank (portable tire inflation tank) take the governor off. Do you need a new air tank for the air brak system on your truck? Class8TruckParts has everything you need regarding air tanks for your heavy-duty commerical truck. Driving at night is always a bit difficult, but now that Daylight Saving Time has kicked in, it's also a pain to drive in the morning. Then both tanks would go to 125 psi and work the way.
Advertisement With its roomy c. It has the 12 liter engine and automated 12 speed transmission. start truck, is air leaking out the governor port of the compressor, (if it is compressor is shot), if not how fast does it build 120 psi in the tank. The shop however hooked the shop airline to the hose from compressor to dryer, won't build up. Generally there are four tanks Rear brakes 2 park brake valve and trailer air supply + TCM 4. Then both tanks would go to 125 psi and work the way. "Drain Daily" (Air Tanks) I noticed on a newer Blue Bird school bus driving around the other day the words "Drain Daily" as a sticker on the front. nd repair as necessary. cool animated discord banners This system is not perfect, however. an air compressor makes condensation and removing the air from your tanks helps with that, 2; as part of your air brake pretrip ( wich im sure no one does) the. Am sure the people i park next too are like shiittt. It is responsible for compressing the atmospheric air and delivering it to the air storage tanks. If you are unable to find the air tank you need, contact us I had my truck sitting for about a month as I was out of the country. Shop Freightliner Air Tank Parts, Kenworth Air Tank Parts, Peterbilt Air Tank, air tanks for trucks, truck air tank. May 3, 2014 · 0. farmer fleet Disconnect air lines from trailer. 888-888-7990 Kenworth International Volvo Raney's Truck parts carries heavy duty semi-truck air tanks for nearly every make and model; everything on offer is guaranteed to be a perfect replacement for OEM or factory-style components. NEW YORK, March 8, 2023 /PRNewswire/ -- GreenPoint Partners ('GreenPoint' or the 'firm'), an alternatives firm investing at the intersection of re. Start vehicle and build up air pressure until the dryer purges (should be between 125-135 psi on gauges) Shut vehicle off, then turn key on so gauges work. kindergarten anchor charts Cannot find any detached or free quick connects. My columbia actually had 3 tanks. an air compressor makes condensation and removing the air from your tanks helps with that, 2; as part of your air brake pretrip ( wich im sure no one does) the. →NO There is a leak in the s Go to "Secondary Air Sys"→Inspect the primary ai nk for cracks esent on the tan YES Replace the primary air tank→Inspect the air line from the primary. I turned ofd the teuck and bled the air down to zero. Problem # 2- Truck started riding really rough & seems to be swaying a lot going down the road, especially in curves.
I turned ofd the teuck and bled the air down to zero. Now both the pri/sec air build to about 95 psi and stops. Now both the pri/sec air build to about 95 psi and stops. The governor works by controlling the flow of air from the compressor to its destination. 888-888-7990 Kenworth International Volvo Raney's Truck parts carries heavy duty semi-truck air tanks for nearly every make and model; everything on offer is guaranteed to be a perfect replacement for OEM or factory-style components. Test air leakage rate: With a fully-charged air system (typically 125 psi), turn off the engine, release the parking brake, and time the air pressure drop. In this video, Ryan will share with you a quick fix for air dryer purge valve leaking issue. Check for any leaks or restrictions within your air system piping coming from your compressor to your primary tank and secondary tank. These air brakes slow down a large truck, but they can only be used in emergency situations. changed dryer cartrage. The shop however hooked the shop airline to the hose from compressor to dryer, won't build up. Air leaks in the suspension system: If there are air leaks in the suspension system, it may cause the pressure in the air tanks to drop, which can trigger the purge system. ner C2Service Bulletin10. Have someone in the cab make a full service brake application and hold (do not use the trailer hand control valve if equipped). Mechanic's Assistant: The car Mechanic. It builds a 140psi and the air dryer goes off once every 5-7 secs. It's the opposite (when I inflate the air bags there is air leak coming from the leveling valve, making the secondary tank drop fast. Are there This small air compressor looses air too fast, so I added an auxiliary tank to last air a little longer 446 Dec 6, 2010 0. com, Or Chat With Us During Business Hours. This component then pumps the air through the air lines onto the storage air tanks, which keeps it there until the truck will need it. From a 2003 International 9200i, The. Diameter is about 9 3 ports on the top as well as a port on each end with drainage ports. , what legislation mandates every required standard of a highway. Then, use a pressure gauge to check the air pressure and look for any leaks. lowes bundles When he opened the third air tank bleeder valve, approximately ½ gallon of water came out. Enjoy the video !! Don't forget to hit. By storing compressed air in the reservoirs, the air is readily available to make rapid application of the brakes possible. Mar 19, 2007 · Tagged: 0 Thread (s) Fill a spray bottle with Mr Spray all air connections and look for soap bubbles forming which would indicate a leak. Plunging temperatures, like we have seen across much of the Lower 48 in recent weeks will be put air systems to the test. The brakes it loses the air pressure to about 50 psi and will not gain any back until the yellow air brake valve is applied. Put a new compressor on and this didn't fix it. This compressed air comes from what we know as an engine-mounted compressor. The third tank was a completely different story. This system relies on a network of air tanks, valves, hoses, and other components to. Until recently all was well then after one week of being parked, all of a sudden the truck developed an air problem. If the desiccant is exhausted, it may be necessary to replace. NEW YORK, March 8, 2023 /PRNew. All air brake systems use air pressure to apply the brakes when you step on the pedal. This can result in no spring brake release or the spring brakes applyi. Feb 9, 2013 · 5. There is a 3rd air tank that goes a long side of the passenger frame rail that does not fill at all. My 07 Freightliner keeps losing the secondary air when driving down the road i have 4 tanks on this truck, two secondary by the fuel tanks and then one under the fitfh wheel and one at the back under tail lights. cocolate models that caused the truck to not build air pressure. Dec 15, 2018 · 2017 Freightliner M2-106 straight truck 115k miles. U shouldn't lose air while the truck is parked overnight. * 30 Inch Total Length * 27 Inch Length Weld To Weld * (3) 1/2 Inch Thread Ports In Center. This also eliminates the potential for fluid to leak and cause brake failure. Only lines off of tank goto ebrake, one small line to what i think is an AMU? on rear of truck, one small line up to govenor i think and another big line out to an air hose reel. We have a 2004 Peterbilt 379 C15 CAT it won't build up air pressure when it's idling, you have to hold it at 1400 RPM's for it to build up. When a person overheats they can lose focus, have a shorter temper and make mistakes Learning how to draw a semi-truck is not a long-haul. the fact that the preassure read out drops to 0psi and than comes back to previous Preassure before the drop with in a second leads me to think that it may just be the sensor or wirring to the sensor. OldPete379, Jun 10, 2014. With the air gauges settled, wait 1 minute. o1reb Bobtail Member Apr 28, 2012 bedford 0 #1 CDL Truck Driver Message Board. If you are in the market for a reliable and high-quality semi truck, look no further than Peterbilt. Once the pressure drops to 110 psi, the compressor kicks in and the cycle continues. Nov 23, 2016 · Yes, completely draining the wet tank first will test the check valves in at least your primary tanks and usually your secondary’s. Don't Work the Day for Free:: Weigh. Not from me as that is above my ability. Inspect the primary air tank for cracks. primary airs up to 125 as it should secondary gets none. If, air is leaking through the red dash valve, activating the TPV, which is then allowing air to move through the blue line, there would also have to be air loss on the red line. why Air Pressure not building up?how to track Air Leak in semi truck?reasons for Air Pressure not building up?why I can't go in high gears when Air Pressure.