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D2 A8/S8 (1997 - 2003)
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O rings
Posted by: AUTO-UNION.US (6318) on 2017-11-07 01:40:44
In Reply to: Thanks for all your helpful replies posted by Mortem76 on 2017-11-01 00:26:42

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We found that the O rings deteriorated allowing the pump to suck air instead of gas from the remote parts of the tank. The reason it starts working when you fill with gas is there is a cup that holds about a pint-quart of gas that fills up first when you put gas in. The pump sits in it and the car works normally until that cup is empty. Until you get it fixed you can carry a little gas with you and when it dies, fill the cup up. Any more than a quart will drop into the tank and cant be utilized until the O rings are replaced.It is such a pain in the *** to get that pump out and back in the correct position that I would replace the pump at the same time.
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All messages | Search Forums | Return to D2 A8/S8 (1997 - 2003)