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Thread: 2.25L petrol engines - Rear main crank seal

  1. 14th February 2011, 02:04 PM #1
    Wallydog Guest

    2.25L petrol engines - Rear main crank seal

    Hi all, Just wondering from the more experienced, how long does a replaced rear crank oil seal take before it starts to leak again?

    seems common they leak oil from there but i wonder how many kms before i should start putting the cardboard under the vehicle to protect the concrete?
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  2. 14th February 2011, 03:51 PM #2
    dandlandyman
    dandlandyman is offline Master
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    It varies, but the one thing that will make it leak sooner is wear in the main bearings. A grooved crank seal surface will also leak after replacing the seal.

    Sorry I don't have better news, or easy solutions.

    Dan.
    69 2A 88" pet4 (in disguise), 68 2B FC pet6 (resting quietly), plus others.
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  3. 17th February 2011, 02:32 PM #3
    Wallydog Guest

    Rear crank seal

    Thanks for that. Hopefully Ill get a few years leak free out of it.
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  4. 17th February 2011, 03:39 PM #4
    JDNSW's Avatar
    JDNSW
    JDNSW is online now RoverLord Silver Subscriber
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    Can't help except to comment that mine does not leak - and presumably the rear main seal was replaced when the engine was overhauled some time before I got the vehicle eighteen years ago. (There are, or have been) a few other leaks, but not that one!)

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol
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