john(currie) Posted July 3, 2011 Share Posted July 3, 2011 2003 Discovery, diesel Earlier this year I found that the suspension had suddenly deflated although once started it rose and maintained itself at that height. Taken into the dealer and diagnosed with a faulty leveller valve. Had it replaced and since then it recurs at10 day intervals. Dealer has been very good at trtying to diagonose problem but it never happens when in the garage. During the 2 weeks when I was in the USA the dealer had it for checking. Different drivers, tried it but it was never found to deflate; for the 10 days after I returned it did not occur. It has now started to happen again at 5-10 day intervals. The air springs have been checked. All suggestions welcomed. Quote Link to comment Share on other sites More sharing options...
suggs Posted July 3, 2011 Share Posted July 3, 2011 i no they have been checked but does sound like air springs, mine did the same thing. would go days with no problem then all of a sudden go down, there was a small hole that sometimes would seal its self depending on the position of the spring as it rolled up/down sometimes covering the hole if your get my drift... i fitted the coil conversion and all air spring related problems are a thing of the past... Quote Link to comment Share on other sites More sharing options...
john(currie) Posted July 3, 2011 Author Share Posted July 3, 2011 i no they have been checked but does sound like air springs, mine did the same thing. would go days with no problem then all of a sudden go down, there was a small hole that sometimes would seal its self depending on the position of the spring as it rolled up/down sometimes covering the hole if your get my drift... i fitted the coil conversion and all air spring related problems are a thing of the past... Thanks for this, I have a feeling that you are correct and the coil springs were going to be the route to follow. Roughly how much did it cost. Quote Link to comment Share on other sites More sharing options...
BogMonster Posted July 4, 2011 Share Posted July 4, 2011 Thanks for this, I have a feeling that you are correct and the coil springs were going to be the route to follow. Roughly how much did it cost. Cost of 2 springs and 2 spring plates to go on the axle, plus however much it costs you to blag 10 minutes on a Testbook to reprogram the SLABS ECU to coil mode otherwise you get a dash full of warning lights. Quote Link to comment Share on other sites More sharing options...
M&S Posted July 4, 2011 Share Posted July 4, 2011 Don't forget to inform your insurance company of the change. Quote Link to comment Share on other sites More sharing options...
john(currie) Posted July 4, 2011 Author Share Posted July 4, 2011 Don't forget to inform your insurance company of the change. Good point, many thanks Quote Link to comment Share on other sites More sharing options...
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