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        General >> Give/Need advice to/from others >> Plastic weld
        
(Message started by: Si-H on Mar 21^st, 2008, 9:33pm)

Title: Plastic weld
Post by Si-H on Mar 21^st, 2008, 9:33pm

Hi, I have '95 2.5 diesel with a leaking expansion tank. The crack is not huge, so I'm wondering if if can be repaired with any kind of plastic weld ? Anyone have any experience of using this stuff? These expansion tanks are quite hard to get hold of ! Cheers Si.

Title: Re: Plastic weld
Post by peteHull on Mar 22^nd, 2008, 1:25am

You may be able to carefully weld the edges together with a soldering iron or a hot knife, the tank is made from a kind of polythene so a like material could be applied using this method. Don't know how long it would last cos it is under pressure but I welded up a front plastic bumper using this method.
It's worth a try.... ;)

Pete

Title: Re: Plastic weld
Post by Scorpio_Mike on Mar 22^nd, 2008, 7:32am

Silicone sealant and duct tape ?

It ain't broke...it just lacks duct tape....as the ad goes ( in the USA ).

Title: Re: Plastic weld
Post by taliban aka Cheekyboy2 on Mar 23^rd, 2008, 12:57am

you can get plasti weld kits from motorbike shops, catalogues etc but i dont know if it'd work in a pressurized situation as they're meant for cracks in fairings....

Title: Re: Plastic weld
Post by adzst24 on Mar 23^rd, 2008, 12:00pm

:-/
What about a secondhand unit you may weld it but if sods law is anything to go by it will comeback and leak with a vengance
right when you dont need it :'(

Title: Re: Plastic weld
Post by Matt on Mar 23^rd, 2008, 7:37pm

diesel parts are hard to come by,

ive just changed the header tank on my diesel and had a right game trying to get one,

i tried ford parts uk they have it on order but dont know when it will arrive

Title: Re: Plastic weld
Post by jonnycab on Mar 24^th, 2008, 7:16pm

You could try Quik Steel or JB Weld :)

Title: Re: Plastic weld
Post by a900one on Mar 26^th, 2008, 10:11am

I have been using LOCTITE repair express its like putty that you mix with your fingers, that works with plastic.