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*Waterpump ReInstallation* 200 1988

posted by  jon602 on  Wed Jul 31 02:50 CST 2002
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ok blew the gasket on the top of the waterpump on my b230 the other day. i got a new one and now im installing it. I was just wondering what i would put on the gasket that seals the pump to the block. thanks, jon








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    *Waterpump ReInstallation* 200 1988

    posted by  B.C. on  Wed Jul 31 10:06 CST 2002
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    last visit: Wed Mar 28 22:28 CST 2012
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    Blew the top gasket, eh? Why did it blow? Poor initial installation? Deterioration due to oil leaking on it from a leaky camshaft seal?

    Put a few drops of ATF on the ends of that upper gasket. The ATF won't damage rubber, it will be enough to help the gasket seat well, and it's handy to get from the P/S dipstick.

    Good Luck,

    Bob

    :>)







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    *Waterpump ReInstallation* 200 1988

    posted by  someone claiming to be hillbilly on  Wed Jul 31 04:59 CST 2002 [RELATED]

    I also smear a light coat of grease on top of the new seal, that's all it needs.
    You'll notice that one of the top water pump bolt holes is slotted. Loosely install all the bolts and slightly tighten the top unslotted bolt. At this point you can pull up on the pump while you tighten the slotted bolt. This will compress the rubber seal while the grease allows it to seat into proper position.








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    *Waterpump ReInstallation* 200 1988

    posted by  chris herbst on  Wed Jul 31 04:15 CST 2002
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    last visit: Mon Oct 20 20:32 CST 2014
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    I'd get either a new pump (unless yours is within 50,000 miles) or at very least a complete gasket kit. Breaking the little seal on the heater pipe is likely when you take out the pump--better safe than sorry.

    Lately, I've been greasing the water pump gaskets instead of using any RTV. The grease does two things: It lets the water pump slide when you lever it up against the head seal, and it also keeps the gasket from plastering itself to the head when you have to do another water pump change.
    --
    1992 940 wagon, 72k
    as well as others.







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