Water pump

[Somethingbigandorange]

RTV or no? The shop manual does not specify it, but with a paper gasket and low torque on the mounting bolts I would think you’d need it.

 

[Happy Hummer]

Should be a layered metal spring steel core type of gasket. I don't use rtv.

 

[lowtrac]

Nope. I’ve done two Atlas water pumps (GMC Envoy) and will be replacing the one in my H3 this weekend. I’ve never used RTV and never had an issue.


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