Fuel tank advice
Hi all,
Wonder if anyone can assist... Just been under the 80 as an MOT is looming and discovered a fuel leak from the fuel return line where it meets the tank. On closer inspection and when trying to remove the line, low and behold the bloody thing snapped off in my hand.... :fire: Couple of questions really, is there any issues with buying a used tank off someone, is it a case of just running some clean fuel through the tank to ensure it’s clean? Are the coupe tanks the same as the saloon ones - 1985 Audi 80 B2 - non Quattro? Ideally I’d rather have mine repaired if at all possible, but due to it being corrosion and a feed line actually shearing off I’m not sure it will be possible. Any help greatly appreciated, Simon Ps. Anyone have one spare they want to offload? |
You could do a temp repair with something like this
https://www.granvilleoil.com/techDat...hData?ptdID=76 I have used this and similar epoxy products (some of which include a cloth material) to repair motorcycle tanks in the past and the repairs have been sucessful (as in one is still going strong after 18 years). |
Is yours a carb as there is a difference from the injection models.
It's also different from the Coupe |
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I may have found somewhere in Hartlepool who can mend it, sent some pictures of the damage off so awaiting a reply, might end up in a long drive but at least it would sort the issue. |
I've only had a quick look at part numbers to check so don't what the differences are
Coupe uses a different part number entirely and the injection model has a different letter at the end. There's one on German Ebay who will ship over here https://www.ebay.co.uk/itm/Petrol-Fu...temCondition=4 |
You could likely solder repair a new outlet pipe to repair the issue.
Ive welded tanks in the past but you have to ensure its clear of any liquid fuel and vapours. I did it by removing the sender unit and drying the interior of the tank with a vacuum cleaner on blow then washing it out with detergent drying it again then filling the tank with argon. |
Slightly off topic but this 4v6’s post reminded me of the old tale about the boy who tried to hoover the fumes out of a tank for welding and accidentally re-invented the jet engine
:) |
saw a good way of removing vapours from fuel tank by connecting it to a car exhaust and running it for an hour.
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I'm sure I've read somewhere about using a steam cleaner (pressure washer type, not wallpaper type!!!)
As 4v6 indicates, getting ALL the fuel AND vapour out is essential. |
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:lol::lol::lol: |
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