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Thread: 2.2L water pump pipe removal and seal replacement

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    2.2L water pump pipe removal and seal replacement

    got a 2003 alero with the 2.2 ecotec engine in it.

    i gotta replace the seal for the water pipe at the back of the water pump.

    it looks like the only way to pull the pipe from the water pump is to unbolt the thermostat housing block from the engine with the three bolts there and then another bolt at the end of the pipe where the top radiator hose connects, which is how it is braced to a stamped steel bracket attached to the head.

    no need to remove the exh manifold like the repair details say, right?
    ill pull the shield though.

    also auto zone and o reilly auto parts cant seem to find the o ring seal for this pipe or also the seal for the therm stat housing to the engine,.

    dealer item only?

    numbers 19 and 35 in this:
    http://www.ecotecforum.com/forums/at...4&d=1143507677


    the research ive done suggests that the water leaking on the far pass side of the engine(front of engine) cant really possibly be the water pump because it is internal type and would have to be leaking internally into the oil, and that the pipe seal is most commonly failed on these.

    it only leaks when hot and has pressure.

    never when cold etc.

    and from what im told by the owner/friend of mine it leaks pretty bad when it is leaking.

    ive looked and looked and looked some more and cannot find a trail or stain or anything still. ive never been able to look at it when its hot and leaking.

    i may see if i can find a way to pressurize the cooling system and make it leak, before i disassemble,.

    after i have required seals ready to even do the job at all.


    as soon as i can find the seals im gonna do the job for them and i do have the timing chain sprocket holding tool if i do have to replace the pump.

    are these seals really this difficult to find??

    thanks for anything
    Last edited by fast68; 05-08-2010 at 09:31 PM.

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    look at part 22 in the pic, take out the two bolts there after draining some fluid out. then you can wiggle the pipe and it will come free and you will be able to remove the pipe.



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    ok thanks h

    well i guess all i need to really know now is if you have to remove the exh. manifold to replace the o ring?
    *on the tube end, at the back of the water pump housing*


    the o rings i found at the dealer and theyre freaking 13 bucks a piece wow... crazy..
    Last edited by fast68; 05-10-2010 at 01:52 PM.

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    Water Pump Outlet O ring/leak

    Hi,
    I see you are looking to repair a leak on the outlet of the water pump.
    I may need to do the same thing, but I don't have the special tool to hold the timing chain yet. Did you get the tool online or did you find it locally?

    The O ring seal I found on Rock Auto for my 2001 Saturn for $2 plus shipping and tax.
    (I have started buying most of my parts there as they get a much better price than the local parts suppliers.) I had trouble with a bad alternator and they shipped out two replacements N/C for the shipping the replacements.

    I just replaced the over flow tank cap and I am hoping that will solve my coolant loss.

    Did you get your issue resloved or are you still trying to get this fixed?

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    if your only replacing that seal and not removing WP you don't need that tool


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    Water Pump Outlet O ring/leak Heater O-Ring Supply

    Thanks for the reply, I am doing the whole job now that I have the tool and the pump.
    I am in snow country and these things like to go bad when it is below zero. I have not traced the leak down yet...but it's leaving a trail on the driver's side. (I pressure washed the engine compartment to be able to see the fresh leaks. I tried a system cap but the leaking is continuing.
    I also ordered both upper, lower rad hoses and the thermostat.

    Note: Looking for the Heater Inlet O-Rings=Grangier P/N 1CGN7 or AS568A-210
    @ Graingers package of 50 for $4.70! (found on Saturnfans after lots of searches.)

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