mellonman Posted May 17, 2020 Share Posted May 17, 2020 Hi so my replacement water pump didn't come with a gasket , so was wondering whats best gasket,sealent or both Link to comment Share on other sites More sharing options...
Mike2JZ Posted May 17, 2020 Share Posted May 17, 2020 Water pump should come with an O-Ring to seal it against the block, not a gasket. The only gasket the water pump has is for the two bolt flange that the long steel hardline connects to which returns coolant back to the pump. I'd recommend using the proper O-Ring & gasket if possible, much neater and designed to work for many thousands of miles. Link to comment Share on other sites More sharing options...
mellonman Posted May 17, 2020 Author Share Posted May 17, 2020 Mike I got a asin front half pump it was not the complete unit Link to comment Share on other sites More sharing options...
mellonman Posted May 17, 2020 Author Share Posted May 17, 2020 sorry I do have the gasket it was at the bottom of the box but should I use sealent with it ? Link to comment Share on other sites More sharing options...
Mike2JZ Posted May 17, 2020 Share Posted May 17, 2020 sorry I do have the gasket it was at the bottom of the box but should I use sealent with it ? Ah I see. Thought you had a whole water pump assembly unit. You don't need to use sealant. Just make sure both mating surfaces are super clean and flat before installing gasket. Link to comment Share on other sites More sharing options...
mellonman Posted May 17, 2020 Author Share Posted May 17, 2020 Sweet thanks Mike Link to comment Share on other sites More sharing options...
bignum Posted May 20, 2020 Share Posted May 20, 2020 i would always use a smear of sealant on both faces, bitch of a job if it leaks! Link to comment Share on other sites More sharing options...
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