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have seven series 1998 get a noise like a gong from the back of the car (sounds like boot area) when i stop and park car any help would be appreciated
 

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The gong is mounted on the under dash trim above the passenger footwell. If your sound like a loud BONG is from the rear, its could be the fuel tank not venting properly, as is a common problem. However it needs attention quickly, as the bong is caused by a partial collapse of the fuel tank, which then leads to failure of the seams, leakage and £££. It seems to be difficlut to isolate the actual blockage, so some resort to drilling a hole in the fuel filler cap, and if this is done at the opposite end from the retainer strap, it will point down, avoiding rain getting in
 

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What's the mileage of your car? I hear the occasional "thump" from the rear. The suspect is a worn near side rear ball behind the wheel. The wheel actually has a weird angle as a result.
 
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