Question about 1991 Volvo 740

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My heater fan will not turn on. the other

I have a 1991 740 turbo wagon made in sweeden and imported to the us from germany. my heater fan will not turn on. it worked intermittently for a few months then quit comming on all together. is there a relay or something that could cause this? also i have checked the other two switches on the panel and they work. i have my dash wide open and am open to any suggetion
thank you  jory

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The 740 and 940 are very similar (especially the early 940's) The heater switch is worked by cables a little like bike brake cables, chances are one of these is seized...ours is the same, I am planning to open it up and have a go at freeing them, but not till the weather cranks above zero in the uk!

Hope this helps a bit
Tal

Posted on Dec 09, 2008

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Check to see if power is getting to the blower motor. It's fairly common for them to fail.

Bret
RepairPal.com

Posted on Nov 29, 2008

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