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        General >> Give/Need advice to/from others >> Petrol tank problem?
        
(Message started by: dxt on Oct 15^th, 2009, 5:29pm)

Title: Petrol tank problem?
Post by dxt on Oct 15^th, 2009, 5:29pm

Hi ... can someone tell me what exactly inside my petrol tank (other than petrol). And can it be got at without removing the tank from the car?? The reason is I've got a rattle coming from inside the tank I would like to repair it.
Cheers
d.x.t

Title: Re: Petrol tank problem?
Post by tonyboy on Oct 15^th, 2009, 6:05pm

Tank sender unit and fuel pump if it's petrol not diesel

Title: Re: Petrol tank problem?
Post by tlundkvi on Oct 15^th, 2009, 6:50pm

You might be able to fish the loose thing (if it's a rock in it etc.) out via the filler pipe connection without removing the tank. The tank is quite easy to remove, but you should make sure you have new straps available on short notice when you take it off. You can't really remove the sender unit without dropping the tank. If you remove the sender unit, always put a new gasket.

Are you sure it's inside the tank? The tank forms a handy shelf seen from the middle of the car towards the rear. A rock can be easily trapped up there.

Title: Re: Petrol tank problem?
Post by Jonnycab on Oct 16^th, 2009, 2:18am

As tlundkvi said...are you sure it's in the tank ?

If you fill it to the brim, does it still make a rattling noise ?.....Things don't tend to rattle that much when immersed in liquid ;)

Have you checked under the spare wheel for anything loose ? :)

Title: Re: Petrol tank problem?
Post by tlundkvi on Oct 16^th, 2009, 7:43am

Removing tha tank can always be a nice surprise. I had a leak, the tank looked nice and clean from below, but the shelf I mentioned (the highest point of the tank, and further to the lower part that is towards the spare wheel housing) traps water and dirt really easily. Hope it doesn't look like this:

http://dessign.info/tank1.jpg

http://dessign.info/tank3.jpg

Title: Re: Petrol tank problem?
Post by dxt on Oct 17^th, 2009, 10:27am

Hi everybody and thanks for your help. I must admit the rattle is more noticeable when the tank is between quarter full and empty. I have had everything possible checked at the backend and nothing visible is loose.
Cheers d.x.t

Title: Re: Petrol tank problem?
Post by dxt on Oct 17^th, 2009, 10:28am

Sorry didn't mention it ... my car is a '96 2ltr saloon.

Title: Re: Petrol tank problem?
Post by tlundkvi on Oct 17^th, 2009, 10:53am

Petrol tanks are the same for all petrol models, saloon and estate.

Title: Re: Petrol tank problem?
Post by amigafan2003 on Oct 17^th, 2009, 9:18pm

They aren't expensive though £70ish.

Title: Re: Petrol tank problem?
Post by tlundkvi on Oct 17^th, 2009, 10:03pm

That is correct. However, since mine was changed (Klokkerholm pattern part), my tank sensor shows 13 litres too little across the range, which messes up the whole fuel computer. It could be the tank shape, it could be the guy who installed it bent the arm, but surely not looking forward to take it down to fix it.