Radiator fan keeps turning off

KYLE559

MEMBER
2004 VOLVO S40
0.5L
5 CYL
TURBO
2WD
AUTOMATIC
101,000 MILES

Radiator fan runs at high speed within five to ten seconds after I start the car and stops after about twenty to thirty solid seconds and goes back to normal (I presume only because my temperature is normal).

PS: This is every time I start the car.

Please help I’m young and still learning.

5 Replies

JIS001

MECHANIC
3,411 POSTS

Do you have the old body S40 or the new body S40? Let us know please. Also is the check engine light on?

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Saturday, June 8th, 2019 AT 10:28 PM

KYLE559

MEMBER
3 POSTS

New I think, and no check engine light. Sorry for the text on the photo attached, my wife lol and thank you.

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Sunday, June 9th, 2019 AT 8:02 AM

JIS001

MECHANIC
3,411 POSTS

If the A/C is on when you start the vehicle up then most likely it is normal. If it is not then the cooling fan module is starting to fail. I believe the module is part of the cooling fan assembly. As it gets worse you may have a condition where it stays on all the time at high speed even with the engine off causing the battery to drain.

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Sunday, June 9th, 2019 AT 7:16 PM

KYLE559

MEMBER
3 POSTS

Okay that’s helpful. I’m going to buy one and put it in today. I will update you on the progress. Thank you for your help. Love what you guys are doing, going to recommend this to people.

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Monday, June 10th, 2019 AT 10:48 AM