radiator end cap plastic repair

Doug Yoder audifan at zordok.net
Fri Jan 19 09:50:34 EST 2007

JB weld will NOT stick to the plastic radiator endcaps well enough to
withstand the pressure.  Been there, done that, sold the car to someone else
for parts.  In my case, it slowed the leak, but didn't seal all the way -
and I'm sure that over time (a month or two, tops), the patch would've given
out completely.


On 1/19/07, Scott Phillips <Scottp at ippe.com> wrote:
> Not sure if the area around the crack can be scuffed, enough to provide a
> sealer a place to bond to. but JB weld makes a waterproof epoxy, in stick
> form that you mash together to activate the epoxy. Then you can mold it into
> place.
> As for pressure, I'm using it to repair a couple of holes in the rear
> muffler of my V8Q, and with the hot/cold and pressure that's in there (can't
> imagine it's more then 5-6 psi..similar to a cooling system), it's held with
> no problems. Might be worth a try.
> Wal-Mart $4 bucks..or any FLAPS.
> HTH..
> Scott '90 V8Q x2
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Doug Yoder

Love is not blind - it sees more, not less.  But because it sees more, it is
willing to see less.  - Rabbi Julius Gordon

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