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Radiator fan sometimes works

Tiny
SLIMJIM7
  • MEMBER
  • 2004 CHEVROLET VENTURE
  • 2WD
  • AUTOMATIC
  • 214,676 MILES
My van runs good, two weeks ago it starts running hot. Replaced relays, sensor, and radiator fan. Gauge inside says hot. What could be problem? Why would the fan do that?
Monday, October 22nd, 2018 AT 5:35 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The fans do that when the head gasket is blown. Lets run this test to see what happens. Here is a guide to help us get started:

https://www.2carpros.com/articles/head-gasket-blown-test

Please run down this guide and report back.

Cheers, Ken
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Tuesday, October 23rd, 2018 AT 11:17 AM

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