Fan roars on startup

James taylor

Original poster
Member
Dec 12, 2018
9
Anniston al.
I have a 2003 envoy 4.2. The engine fan comes on fast for the first few minutes when first started in the morning. I have replaced it but the new one does the same.
 

Mooseman

Moderator
Dec 4, 2011
25,262
Ottawa, ON
Thread retitled and moved to.proper section.

This is normal and very well documented in the forum, including in the FAQ in this section.
 
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Eric04

Member
Dec 3, 2014
392
West Michigan
My Hayden replacement clutch has done this since out of the box at every start up. Yes, it's mildly annoying but it is normal for this design.
 
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TollKeeper

Supporting Donor
Member
Dec 3, 2011
8,047
Brighton, CO
My V8 with a AC delco replacement fan does this as well. Very common, and well documented.
 
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