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Air pressure wont build up over 50 psi on my 07 sterling acterra

Cant find any leaks in brake system and suspension sprayed every line and blocks

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Why does my rear air suspension system come on nothing leaking but my 2002 Oldsmobile bravada will not go up


Bad pump or a leak. Pull the lines fro the rear air shocks, Fell for pressure build up in the line. Find the pump, and check pressure there also. No pressure at the pump, it's bad. Pressure at the pump, but not at the shocks, bad line. Pressure at the shock line, bad shocks.

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Need a diagram of proper installment of belt for a 2007 Sterling Acterra Truck with Mercedes Diesel Engine with AC


Google it....YR, Make, Model, Serpentine belt diagram If that's the belt your reffering to)

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1 Answer

Air suspension default line


unusual for only one corner to be out, the common problems are, air leaks, between valve block and suspension unit, ride level sensors, normally the clamp on the suspension corrodes and allows the sensor to float,it sounds like a air leak on that corner to me. you can buy a leak detection spray to help find the leak. the pump is also troublesome. located front bumper liner lh, but that would affect the whole system, I would check the plastic pipe is ok from the valve block to the suspension unit first, then get the fault codes out of the air suspension module, the valve block is in the boot spare wheel well. hope this helps.

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1 Answer

Brake pressure


no
it will because there is air in the system or the master cylinder is not operational
if you have a leak in a hose or steel pipe , you will see the oil on the ground or on the suspension parts underneath

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Linconl continental 1994 fron air suspension dont work


spray the bags and lines down with soapy water and look for a air leak also at the valve block under the hood i think napa has a kit to change them to a spring system cheaper then new bags

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1 Answer

Rear air suspension compressor won't shut off while driving


You may have a leak in one of the air lines coming from the metering block (if applicable) take some soapy water in a spray bottle and spray the lines and connections see if you see a leak.

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1 Answer

Air suspension system


you more than likely have a leak somewhere or the pump is faulty. if you can access the air lines get a spray bottle with water and a little dish soap. turn the pump on and spray the lines with the soapy water mixture. where ever you have a leak will blow bubbles.

Jul 15, 2012 | 2002 Lincoln Town Car

1 Answer

Wont start unless I spray starting fluid into air cleaner. run great after that but if you turn it off you have to use starting fluid again . have put new wires plugs rotor cap distb. capand K&N...


A poor spray pattern in the injectors can cause starting issues. Have you tried a good (read not really cheap) fuel injector cleaner like Chevron Techron or Valvoline Synpower fuel system cleaner? A weak ignition system (worn spark plugs, leaking wires) can cause starting issues. You mentioned that it has a K&N filter on it. These filters use an oil in a cotton media to filter out dirt. Sometimes that oil can get out of the filter and contaminate the mass air-flow sensor. Follow the air tube after the filter box and you'll find a sensor in the tube with several wires running from it. It is made from aluminum and the wire housing is plastic. Remove it from the tube and clean it with a mass air-flow sensor cleaner. You HAVE to use a mass air-flow sensor cleaner specifically made for mass air sensors. Don't use anything else like carb, brake, or throttle body cleaner. Those cleaners will leave a residue on the sensor and just cause you more issues.

As for your fuel pressure, the system pressure with the key on, engine off is 60-66 psi. Do you really think you could visually tell the difference between 60 psi and 40 psi? I know I couldn't. You'll have to use a fuel pressure gauge to verify the pressure. For my money, I think your pressure is low. But, cleaning the MAF is much easier then putting a tester in, and it wouldn't hurt, so I would do that first.

Dec 07, 2011 | 1999 Chevrolet Tahoe

2 Answers

Air suspension fault light came on in my 2004 jag xj8. a day later vehicle to low light came on. watched the suspension and it continued to work with this warning lights on. a week later the right shock...


if your in doubt about the functionality of the suspension system a quick way to check and see if the static pressure system is working properly is totake a floor jack and raise up the opposing side that you have questions..The system stores 228ps in the retantion tank located under the spare tire.As you force the air to one side the recycle valve will release the air to lower the cars' body.You wil hear it come out,then lower the jack,then the air from the tank will refill the lost air....Turn on the car to initiate the air pump to refill the rear tank,you should feel the car raise up in the front evenly.Last but not least my suggestion is if you think another shock is leaking you can 1st check the caping on the shocks...at times they will leak slowly on the caping...it will start as a weeping leak and you cant hear it....you can get some soapy water and lightly spray it around the enter deck mounts location under the hood where the air lines feed into the shocks...if you see air bubbles,then you can easily pack a towel in the leakage until you find a used shock or rebuilt one off ebay....But you fault light wont display a mil.The fault light only comes on when pressure is lost from the shock,or a static line has failed...causing one shock to lower to be lower..The CAN will trigure a fault code as the sensor detects body uneveness..Usually when this happens you will see a fault code,but I doubt this is your issue.

Jun 21, 2011 | 2004 Jaguar XJR-Series

1 Answer

Brake petal goes to floor


if you cant find any leaks in lines or cylinders or calipers u probaly have a bad booster
see lots come threw my shop like that but also their is a vacum line that runs to the booster and it hooks to a plastic valve that goes in to the booster those get gloged and you loose pedal as well try replacing that before you bye a new boooster

Mar 26, 2009 | 2000 Jeep Grand Cherokee

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