1998 GMC Sonoma radiator fan

1998 GMC SONOMA
215,000 MILES • 4 CYL • 2WD • AUTOMATIC
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SMOKEYJOE177
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I'm replacing the water pump in a 98 GMC Sonoma but we can't figure out how to get the radiator fan off. How do I remove the radiator fan to get to the water pump?
Oct 28, 2008 at 6:30 PM
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MASTERTECHTIM
  • ✓ASE Certified Mechanic
  • 4,750 POSTS
  • ASE Certified Mechanic
it spins off. the parts store has a tool that will hold the fan while you loosen the big nut, they usually will loan it to you. if you have access to air tools you can use a air hammer to jar it loose
Oct 28, 2008 at 6:32 PM
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SMOKEYJOE177
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does the water pump pulley need to stay in place? if so how can i hold it in place
Oct 28, 2008 at 6:41 PM
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MASTERTECHTIM
  • ✓ASE Certified Mechanic
  • 4,750 POSTS
  • ASE Certified Mechanic
the specail tool is a huge flat wrench that goes aroud 2 pulley bolts and then another smaller flat wrench goes over nut holding fan onto pump and then loosen nut.
Oct 28, 2008 at 6:46 PM
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SMOKEYJOE177
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  • 3 POSTS
thanks for your help. made my life much easier
Oct 29, 2008 at 1:58 PM
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