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Vectra coolant leak

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terry paget:
[/img]https://www.dropbox.com/s/ftc2fwijxqiuhw5/VECTRAleak2.jpg?dl=1[/img]
Vectra C 1.8 petrol manual
Found a puddle under this car this morning. Seems to be coming from a metal pipe beneath the thermostat, which then disappears behind the front heat shield. It's a simple joint, torx screws either end, got no excuse to leak now. Does anyone know, is it a flat paper gasket seal, or an O-ring?

terry paget:

pic of leaking joint

dave the builder:
looks like a flat fiber gasket ,but ,as I said before(when you replaced the wet stat), the thermostat housing is prone to cracking
especially if any fixing is over-tightened
a smear of instant gasket on the old gasket should solve a leak from the gasket
it won't solve a leak from a crack in the housing
so examine closely ,torch and magnifying glass is a help  :y

Doctor Gollum:
Neither...

It's normal condensation from the aircon system. Ignore it and do something more important  :y

Doctor Gollum:

--- Quote from: Doctor Gollum on 22 September 2019, 14:05:14 ---Neither...

It's normal condensation from the aircon system. Ignore it and do something more important  :y

--- End quote ---
That said, if it's dripping down to that then it may well be the thermostat seal.

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