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I've tried twice, and still cant get it' i've cleaned the crap out of the mating surfaces, and the water pump still leaks around where it bolts to the block on my 2f. any tips?
water pump sealing
- Thread starter bad_religion_au
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Are you using toyota fipg or aftermarket rtv? Can't rember but I know on newer toyota's there is a groove on the waterpump that needs to be spotless or it will give you problems.Also have seen toomuch material taken away from the block side and it will leak.(cressida's)
Did you seal your bolts. I believe 2 of them have to have sealant. Don't have the manual in front of me.
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petescoffee... that could be it (should have read the manual). whats the 411 on sealing the bolts?
I installed one of oreilly's pumps that leaked from that back plate thing. 
The recessed phillips head bolts that retain the plate are under torqued.. in some cases only finger tight...some with distorted gaskets.. common with cardone quality... probably assembled on a friday afternoon close to beer-30...
I'm helping a friend change his water pump, none of the bolts are exposed to coolant, the holes just bottom out dry, is sealant needed? if so what kind? pipe-dope? Thanks, Fuzz
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now i'm back to square one
Take it off and reseal the gasket between the pump body and the steel plate on the back.
Do you know whether or not there is reference to thread sealer in FSM? I’ve looked in a few LC manuals but can’t find it.I have not ever used any form of thread sealant on any water pump that I have installed on a F, 2F or 3FE Land Cruiser engine....
I had good success with my FJ55 a couple decades ago by painting the gasket with Indianhead Gasket shellac compound by Permatex on both sides. Some old hotrodder recommended it. However, I am following this thread because my current waterpump on my FJ40 has had a very slow leak at the gasket for several years. I only drive El Macho about 1000 miles a year, but it's gonna need done eventually. Brain check...I am thinking about the gasket on the thermostat housing not the waterpump. (But there is some leakage on the waterpump but it might be coming from the thermostat housing.)
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I went with Permatex Blue on both sides of the gasket, no issues.
