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    A friend of mine has a 2004 Peterbuilt with a Cummins ISC 330 engine in it.

    The pump works with no power, starting or fuel consumption problems.

    I steam cleaned it for him to identify an oil leak that cost him a ricket.

    It appears to be leaking oil from what looks like the seam between the flange section and the first plate on the pump. The oil leak is bad enough were after cleaning and idling for 5 minutes the compressor head below is covered.

    Couple of questions:

    1. Is this common?
    2. Can this be repaired without a total rebuild? The pump was replaced by Cummins only 100K ago!!!!
    3. If no on item #2, what would it cost for a rebuilt or repair to this one?

    Numbers I took off the pump are:

    2906110743
    4076442RX


    Thanks,
    Joe
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