Changing the water pump: which thermostat? Do I need to change fan clutch?

Asked by Nov 16, 2016 at 10:00 AM about the 2002 Chevrolet Tahoe LS

Question type: Maintenance & Repair

I have a 2002 Tahoe with 170k miles on it and the water pump is starting to
leak. I am confused about the parts to buy since there are several pumps,
thermostats and thermostat housings. Here is the VIN if you want to look
up the details: 1GNEC13Z82J156501
Can you recommend the correct combination of these or tell me how to
figure it out - or can any of them work interchangeably?

Also, there is a note on O'reilly's website saying to change the fan clutch
when doing the water pump, but no one else is mentioning it. Should I be
doing the fan clutch too?

2 Answers

223,595

I would replace the water pump and thermostat (since they are fairly cheap) and any hoses that hook up to the pump and thermostat housing. No need to replace the fan clutch if it is still working.

1 out of 1 people think this is helpful.
Best Answer

I asked the local parts/repair shop and the guy there said he ran his Tahoe for 6 years with an occasional drip leak & that I'd know when it was really time. He agreed that the clutch was not a standard replacement. Hoses he recommended to replace if soft. Thanks, for the quick response.

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