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Thread: Engine Part Identification

  1. #1
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    Default Engine Part Identification

    Could you please help me identify the part next to the alternator and infront of the oil pan, .....the one that appears to be leaking anti freeze. Thanks

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  2. #2
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    The large thing there is the center under the crank pulley is the oil pump. It's more then likely not leaky coolant, its probably leaking from above and coming down all way there. If you look at the top left of the picture you can see coolant sitting on one of the bolts up there. Something above there is leaking. Check the water pump, hoses and all the fitting that the hoses go to.


    Hope that helps
    Jan
    Last edited by Pomorza; 08-19-2012 at 03:07 PM.
    1976 280Z
    HLS30288273

  3. #3
    No more body roll! SteveJ's Avatar
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    Check the weep holes on the water pump. (I can't remember whether or not the S30 water pumps have them.) I would not be surprised if your water pump was giving up the ghost.
    73 240Z
    74 260Z

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  4. #4
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    so does the oil pump appear to be leaking given its covered in dried oil/grease?

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    The oil pump will leak if its missing that thin paper gasket but make sure you know what you're doing if you take it down to check it

  6. #6
    No more body roll! SteveJ's Avatar
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    I would suggest cleaning it first. Then you might be able to trace the source of the oil that is covering it.
    73 240Z
    74 260Z

    Blue's collection of tech tips - A great place to look for answers
    XenonS30 -The cheap source for FSMs
    Georgia Z Club
    Fiddling with Z Cars - Z car tips & tricks and pictures of my car-loving life.
    Steve's CARtography - Just car pictures.

  7. #7
    Registered User bquiggle's Avatar
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    Flushed my cooling system today, got home and checked the radiator.....no coolant, looked underneath the car, coolant dripping of of the same bolt on the oil pump,
    heart stopped, grumbles....this can't be good.
    Checked around and realized it was coming from the water pump weep hole.......big sigh of relief...............check your water pump
    Last edited by bquiggle; 09-02-2012 at 09:50 PM.
    Bill

    1974 early 260z, Unilite dizzy, MSD 6a, Blaster2 coil, some kind of coilover, Body kit....and all the Free rust I could want!

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