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Thread: 2000 Dodge Caravan water pump

  1. #1
    kudem
    Guest kudem's Avatar

    Default 2000 Dodge Caravan water pump

    3.0 litre engine. Had a garage mechanic replace water pump. 4 weeks
    later it continues to leak, but only when the engine in cold. I have
    isolated the leak to the timing belt housing that covers the water
    pump, but have not attempted to get behind that cover.

    Assuming the mechanic did replace the pump. He worked on it a second
    time, but only so far as re-tightening the bolts. What is the most
    likely cause of the continued leak? Is it the O ring that connects to
    the engine? Is it a bad gasket connecting the two halves? Is it a tube
    connecting to the pump?

    It is odd that it will only leak when the engine is cold, or when I
    apply pressure to the upper radiator hose. When the engine is cold, it
    will drip, drip drip when I add coolant. Loses between a quart and
    half gallon after each trip.

  2. #2
    truckdriver
    Guest truckdriver's Avatar

    Default 2000 Dodge Caravan water pump

    On Aug 17, 12:09.pm, kudem <w...@arthuradler.com> wrote:
    > 3.0 litre engine. Had a garage mechanic replace water pump. 4 weeks
    > later it continues to leak, but only when the engine in cold. I have
    > isolated the leak to the timing belt housing that covers the water
    > pump, but have not attempted to get behind that cover.
    >
    > Assuming the mechanic did replace the pump. He worked on it a second
    > time, but only so far as re-tightening the bolts. What is the most
    > likely cause of the continued leak? Is it the O ring that connects to
    > the engine? Is it a bad gasket connecting the two halves? Is it a tube
    > connecting to the pump?
    >
    > It is odd that it will only leak when the engine is cold, or when I
    > apply pressure to the upper radiator hose. When the engine is cold, it
    > will drip, drip drip when I add coolant. Loses between a quart and
    > half gallon after each trip.


    the 3-0 has an o ring and a gasket did he replace the timing belt as
    well and yes there is a tube to the back of the motor did he change
    the pump or did he plug the hole where it will leak from just a
    thought

  3. #3
    truckdriver
    Guest truckdriver's Avatar

    Default 2000 Dodge Caravan water pump

    On Aug 18, 10:50.pm, cl...@snyder.on.ca wrote:
    > On Tue, 18 Aug 2009 16:02:29 -0700 (PDT), truckdriver
    >
    >
    >
    >
    >
    > <howardboy...@...........m> wrote:
    > >On Aug 17, 12:09.pm, kudem <w...@arthuradler.com> wrote:
    > >> 3.0 litre engine. Had a garage mechanic replace water pump. 4 weeks
    > >> later it continues to leak, but only when the engine in cold. I have
    > >> isolated the leak to the timing belt housing that covers the water
    > >> pump, but have not attempted to get behind that cover.

    >
    > >> Assuming the mechanic did replace the pump. He worked on it a second
    > >> time, but only so far as re-tightening the bolts. What is the most
    > >> likely cause of the continued leak? Is it the O ring that connects to
    > >> the engine? Is it a bad gasket connecting the two halves? Is it a tube
    > >> connecting to the pump?

    >
    > >> It is odd that it will only leak when the engine is cold, or when I
    > >> apply pressure to the upper radiator hose. When the engine is cold, it
    > >> will drip, drip drip when I add coolant. Loses between a quart and
    > >> half gallon after each trip.

    >
    > >the 3-0 has an o ring and a gasket .did he replace the timing belt as
    > >well and yes there is a tube to the back of the motor did he change
    > >the pump or did he plug the hole where it will leak from just a
    > >thought

    >
    > Most common leak on the Mitsu 3.0 is the tube under the intake.- Hide quoted text -
    >
    > - Show quoted text -


    yup the o ring gets dry rotted

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