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> Water Pump Pulley Wobble Help!, need a water pump?
top213
post Aug 4 2008, 01:13 PM
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Drives: 1994 mitsubshi expo
94 expo, 2.4l problem with water pump pulley wobble with noise. I cannot find any leaks. Pulley bolt tight against pump face. So, do I need a water pump? timing belt replaced 20,000 miles ago do I need another? and finally do I have to pull the motor to replace the water pump or can it be done in place?
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grndsm
post Aug 4 2008, 02:10 PM
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Sounds like the WP is gone. But I am surprised that it isn't leaking. A big enough shaft play that you can see, is usuallyl more than enough to create a leak!

WP can be changed on the car. It isn't a pleasant job, but people do it all the time. WP should be changed every other timing belt. So, you should change it at 120k and 240k. I wouldn't change a belt with only 20k miles, but that is me :).

While you are there, check the condition of the main pulley (aka hormonic balancer), they tend to separate on older cars.
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top213
post Aug 4 2008, 03:27 PM
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thanks for the help lost the lower pulley last year, and yes they sure do seperate. I asked about the change out out of ignorance. they had to turn and lift the motor to do the timing belt. I thought that this might have to happen with changing of the wp.
question. It is close but I can remove the face bolts on the pulley, and after that then the wp bolts and then reverse the process? I'm I correct or is there more to do and do I need a manual?
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