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Water pump installation details 900 1993

posted by  B.B. on  Fri Jan 20 13:31 CST 2023
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last visit: Mon Oct 6 13:15 CST 2014
[RELATED]

My waterpump was weeping slowly from the upper mushroom gasket, and now that
freaezing weather and snow has arrived it's decided to worsen to a steady drip.

I have a new Hepu water pump to install and have some questions:

1. Best way to clean away old gasket ?
I see that Permatex makes a low VOC gasket remover #80645 that's supposed to soften any gasket material for easy removal after a 20 minute soak. It's pricey at $16.99 at the local NAPA.
Then I did a quick search for "Gasket remover recipe" and found out that Naptha
didn't work and probably acetone would send you off to ride a ventilator at the local hospital. This comment was interesting :
"I burn them off with a torch. Any carbon left behind crumbles easily. A propane torch works great, don't use acetylene."

2. Permatex suggests their #22071 for being the best gasket sealer for water pumps and thermostats being the most resistant to antifreeze/ ethyl glycol.
Has anyone confirmed that this stuff works best in the 940?

3. Hepu claims on their site to have special directions for "the correct way to apply sealer" to water pump & gaskets on installation, and It's not on their site. Does anyone have these details?

Thanks, Bill






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