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1997 Chevy Blazer water pump

Tiny
NIKOLAOS007
  • MEMBER
  • 1997 CHEVROLET BLAZER
1997 Chevy Blazer

Ok so i"m trying to get my cooling fan off so I can replace my water pump. I took the four screws off though still can't get it off. How do I do this?
Thursday, July 3rd, 2008 AT 5:37 PM

2 Replies

Tiny
SWILLIAMS
  • MECHANIC
  • 597 POSTS
The fan clutch and fan are threaded onto the pump snout. You need either a large adjustable wrench, the proper sized open end wrench, you can rent a proper fan clutch wrench at many parts stores as well if you don't have anything that fits. Remove the upper half of the shroud, remove the belt, unscrew the fan/clutch assembly. Remove the bolts holding the pulley to the pump and R&R the pump. Reverse the procedure.

When you fill the cooling system park the truck with the nose uphill and turn the heater on max. Then fill it and run it to warm it up, let it cool and top it off. That should prevent an air bubble in the cooling system.

If I may ask why are you replacing the pump?
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Thursday, July 3rd, 2008 AT 10:00 PM
Tiny
MARKUS97BLAZER
  • MEMBER
  • 2 POSTS
I have the same problem on my 1997 Blazer, trying to get the fan off the water pump so I can replace the pump (it leaks and is the original, 135K miles). I have a big enough wrench but it just won't come unscrewed even when I keep the water pump shaft from moving. Is there a trick or could it be rusted shut? It's not left-hand threaded, is it?
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Sunday, October 31st, 2010 AT 11:20 AM

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