Question about 2000 Ford Expedition

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My air suspension deflates often

The dealer wants to replace it. I think it is just a sticky valve.

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  • Anonymous May 10, 2009

    My 2000 Expediton suspension also occasionally deflates. If the problem was a leaking air bag, would not the compressor be running all the time trying to keep height adjusted? With out any knowlege, I was leaning toward replacing the module of height sensor but hate just to throw parts at the problem.

  • yadayada
    yadayada May 11, 2010

    I almost every case I have seen the problem is a leaky airbag, this is especially true if the truck is nearing 100,000 miles


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Hi, im sensing a fault in the bag itself. sticky valves make noise. i would check the valve but, im sure its the bag itself.

Posted on Feb 20, 2009

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My 2002 hyundai xg350L engine stops while driving, it can be restarted in about a minute.

I don;t think a purge valve can cause this time of problem .the purge valve controls the fuel vapor it the fuel tank and allows the engine to burn this vapor. Try driving the car with the gas cap lose and see what happens. These cars had problems with the fuel evap canisters breaking up.

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Sticky valves

That's alot more than just sticky valves! You probably need to pull the head(s) to get a better look-see. You may have all kinds of problems like a warped head, burned valves, worn out seals, in the head and the engine may need rings replaced...

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I think the first thing is to find out what else went wrong. It is only the valves that could have been affected depending on where the shaft broke. $1500 seems to be on the high side.

I would ask the dealer to remove the cylinder head then I would take it for reconditioning myself (service. replace valves and cams) and give it back to the dealer for fitting.

Oct 18, 2011 | 1998 Chevrolet Malibu

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I think a valve is sticky, a tappet noice is heard when the vehicle is started, it last only a few seconds. It also from time to time while driving make the same sound, it is a tappet making the noise,...

Hi Christo.
If you hear a tappet noise when the engine is started, and it goes away after a few seconds, if is not a very serious problem. What is happening is that you have Hydraulic lifters that maintain they're adjustment when the motor is not running. One of the lifters is collapsing. When you start the engine it pumps back up and works. Since lifters are at the top of the engine, you should that you use. It is called "Sea Foam". It is an excellent product to ad to the oil. It helps keep the engine cleaner and removes any moisture from the oil. It is great with hydraulic lifters.
Just so you know the difference. If you have a sticking lifter, you will have a constant tapping sound. I have used Sea Foam to un-stick lifters successfully.


It is recommend that the belt be changed at 60,000 miles.
I also recommend that the dealer do it.
If the car is under warranty you must tell the dealer to replace it. If you do not tell them to replace it, THEY WILL NOT.
If the belt breaks, it will DESTROY the engine.
Hope this is helpful to you. Happy New Year
Greetings, Mark

Jan 03, 2011 | 2002 Kia Rio

1 Answer


I think that the ABS TRAC OFF light has more to do with the ABS sensors not giving reliable speed or movement information to the ABS Control Module. Harness connections or broken wires to the module can cause the same problem, or the hub assembly ($49 to $79 to $109 for the part) may have to be replaced to start with.

The driver door window switch not functioning correctly may be a bad or dirty switch which can be obtained from a salvage yard for a lower price than from the dealer. I would test the switch current before replacing, though, with a test light to ensure the wiring is not an issue with this circuit, as well.

Good luck on these repairs on the 2005 Buick Century.

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My subaru has 1st and 2nd but not drive what do i look for? the fluid is good

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1 Answer

My honda crv 1997 has a problem during reverse. It took more than 15 min to go on reverse. pls give me a solution on this.

I am not an auto trans expert so I am only guessing here
check you fluid level in the trans
You may have a sticky valve in the valve body of the trans
thats all I can think of sorry

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Is valve adjustment a part of normal maitenance on Suzuki Esteem

When you hear some tapping, that's why you need -valve adjustments. At 137,000miles you probably need more than that to continue your trouble-free drives.

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this could be the case sticky valves due to carbon build up
can buy after market oil addative to free up sticky valves also could try raise revs up on engine while adding water into inlet manifold fitting(vacuum hose port)small jet which will also clean engine internally without dissassembly

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