fan clutch follow up - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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Old 05-09-2019, 10:12 PM
jroden jroden is offline
Junior Member
Join Date: Dec 2018
Posts: 39
fan clutch follow up

I did my fan clutch and water pump a month ago, but I notice that on startup and for the first minute of driving, the clutch seems to stay locked.

Is this normal or do i need to do some sort of re-learning procedure?
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Old 06-11-2019, 08:39 PM
josuec82 josuec82 is offline
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Join Date: Apr 2019
Posts: 4
its normal for the first minute or two after start up
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Old 06-12-2019, 08:18 AM
mddombrowski mddombrowski is offline
2006 Chevy TrailBlazer LT EXT
Summit White 4.2L I6 4X4
Join Date: Jan 2017
Location: Charlotte, NC
Posts: 195
This is expected behavior. GM issued a TSB for this exact concern. Search for TSB 06-06-02-003, Rev A issued Feb 14, 2006. I'd upload, but apparently there's a 250kb max for PDF attachments?
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