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ABC warning just came on !!!

Newbi

New Member
Joined
Jun 3, 2013
Messages
13
Car
A6
Hi all
Went to take my SL500 out (before the bad weather comes in) after it has been stood in the garage for just over a week and a half.
Started, no probs, all warning lights out, then stuck it into reverse and the dreaded ABC light came up saying it was to low to drive!!!
Got out to check the height and everything seemed fine except the rear near side which was well lower than rest of car. Pressed button to "raise " and it lifted up but made a lot of clunking noise from that area.
Anyway, lowered it back down and seemed ok. Went for a drive and everything seemed ok, no waring lights, no noises and level stayed ok. When parked back up, left for a few hours and that corner seems to have gone down a tiny bit again. The car had a new ABC pump fitted last year (apparently) so any ideas what it could be ??
I can't see any leaks or fluid on floor, so would be grateful for any ideas as to what you might think the problem is
Cheers
 
The fluid control valve will be leaking either internally or externally.
 
Thanks diesel man
Is this a big job to get fixed and/ or expensive????
 
A replacement valve block is expensive, but often it just needs new crush washers, which are cheap if the garage is competent.
 

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