2002 Chevrolet Avalanche Over Heats Tow Only Hills Mater Size Hill

2002 CHEVROLET AVALANCHE
19,000 MILES
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ANONYMOUS
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My avalanche over heats when I tow but only up hills no mater what size of hill
Nov 3, 2012 at 11:11 AM
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ASEMASTER6371
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radiator is too small. for towing, you need a bigger radiator to keep the motor cool.

Roy
Nov 3, 2012 at 3:04 PM
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GGRUMPY
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I had the same problem with the same avalanche. I replaced the fan clutch and everything works great.
Nov 4, 2012 at 11:23 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
fan clutch has an effect at idle. it is turned off above idle

Roy
Nov 4, 2012 at 11:27 PM
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