Do I need to replace the thermostat housing gaskets when changing the thermostat? Thanks, Jon
Changing the thermostat (S3)
Jan 05, 2004
6 Replies
On or around Mon, 5 Jan 2004 15:35:51 -0000, "Jon" enlightened us thusly:
better to do so. less likely to leak, innit.
In an absolute sense, no - they may be reuseable, but practically, yes. It is normal "good practice" to replace all gaskets, and in this case it is very unlikely that the gaskets will be reuseable. JD
certainly
olrac
It's a good idea, but if you dont have one then you can re-use the old one if you must. Make sure the surfaces are clean, and clean up the old gasket. Use a jointing compound, either Hermatite Red or Instant Silicone Gasket.
Alex
Yes , if you want a good life out of your repair. Remove and wire brush clean the housing, emery or course wet & dry the mating surfaces clean and flat. Apply a thin uniform film of Blue Hylomar gasket sealant to both sides of the gasket, especially if the surfaces are at all pitted.Tighten bolts to
22-28Nm.
Thanks to all who replied. The paper gaskets are the only bits I haven't got on the shelf! Jon
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