Chevy and GMC Duramax Diesel Forum - View Single Post - Clutch fan engagement
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post #3 of (permalink) Old 11-06-2018, 01:05 PM Thread Starter
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Join Date: Jul 2008
Location: Bridgenorth, Ontario Canada
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So aside from cleaning the stack. Which I haven’t, I have heard these fans can sometimes just fail and need to be replaced. That true? I’ll be doing a stack clean out soon just don’t have time....I also put new thermostats in last year in hopes to earn up the engine in these colder days. I currently have the new thermostats and a winter grille bra cover on driving highway speeds for 20 mins in 53 degree Fahrenheit and it barely gets above 185 degrees...what’s going on here? Figured it would be over heating in this weather with a bra

2005 LLY Silverado 2500HD Crewcab LT
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