Question about Jaguar XJ6
Given the above problems, this issue comes and goes and seems to be more prevalent on cold mornings, the car will sit low with the lights on; car too low and air suspension fault light. Then as I mentioned the car drives fine once warmed up.. but I did notice that if I hear a poping sound it does go back down.. again mostly when the weather is cold..
Check for4 a faulty air pressure regulator in the system or faulty pressure relief valve.
Posted on Feb 14, 2014
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Posted on Jan 02, 2017
sounds like you just have a loose alternator belt and since the system takes longer the light s tay oon until the alternator starts charging the battery by then the engine is already warnmed uyp
Posted on Nov 13, 2008
The intake plenum gasket is leaking! I have seen this many times before. If you can turn a wrench it will be an easy fix, otherwise take it in and have them replace the gasket. Oh, I almost forgot, the plastic intake manifold needs to be replaced as well. The inserts that holds the manifold in place come loose and that is the root cause of the problem.
Posted on Nov 26, 2008
SOURCE: Overheating and heater not work
there is a valve on the water pump and one on the thermostat housing open those up one at a time until you get a little bit of antifreeze come out then tighten them back up. All you will be doing is bleeding the air out of the cooling system. my car was doing the same thing after I changed my thermostat.
Posted on Dec 12, 2008
I have serviced these in the past and it will probably be a combination of things. I just a few weeks ago fixed a 1999 with the same problems. Generally from past repairs, the electric pump has been working overtime to compensate for leaking rear air shocks. The best solution is to replace them both, not a cheap repair, the pump around 275.00 and each shock arount 275.00.
Just with every thing over time things fail, the rear shocks develop leaks over time/weather cracks, they are easy to check, soapy water will identify this as the problem. If you can get under it enough to spray around the bottom of the shocks when they are inflated. These systems are computer controlled and if you have the proper scanner you can check the system out for eletrical problems easily. My past experiences with these suspensions as almost always the shocks and pump.
Posted on Dec 14, 2008
your bags may need replaced in the rear
i have seen this many times with several different solutions to the problem
more times i have seen the air ride bags blow out-which the compressor will stil work but with holes in the bags they will not air up
sometimes i have seen the valve go bad which i believe is located on the rear diff
Posted on Feb 22, 2010
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