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2001 S40 1.9T ac and heater problems

Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos.

1996 - 2004 S40
1996 - 2004 V40

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sdavis
Posts: 7
Joined: 4 December 2009
Year and Model: 2001 S40
Location: Houston, Texas

Re: 2001 S40 1.9T ac and heater problems

Post by sdavis »

That makes sense. I assume that both hoses should be hot because running the water through the heat exchanger will not cool it significantly, or noticeably to the touch? I drove it for a bit today and while the engine is running at revs, I do get some hot air but very little and not noticeably when engine is at low revs. I will drain the coolant tomorrow and let you know.
Thank you.

mitee1dog
Posts: 2
Joined: 26 December 2013
Year and Model: 2001 v40 1.9T
Location: DHS

Post by mitee1dog »

My heater comes on when I turn right or when it wants to and it is very hot even when the fan is off & the temp is set at 64 deg. doesn't seem to matter what the outside temp is. any help is greatly appreciated.

absrdvolvos40
Posts: 1
Joined: 15 January 2014
Year and Model: s40 2000
Location: United States

Post by absrdvolvos40 »

question regarding the resistor pack. i have a 2000 s40, my climate control works but only thru the vents....will the resistor pack allow the switch between dash vents and windshield vents???

Autossey
Posts: 4
Joined: 11 November 2016
Year and Model: 2000 S40
Location: Oregon

Post by Autossey »

I can also pull up the pdf diagram, but the link to fix the module is not functioning. My 2000 S40 fan stopped completely now, and the air never got warm. I'm hoping the module also controls the temperature (?)

masatus
Posts: 1
Joined: 15 November 2017
Year and Model: v 40 2001
Location: Germany

Post by masatus »

Message for billofdurham

please can you send me how to repair heater resistor pack, a can not open link.
@@@@@@@
This is a common problem on the S/V40 and is usually the resistor pack for the blower motor. It is easy to change:

S.V40 heater resistor pack.pdf
(535.44 KiB) Downloaded 1443 times

The packs are not very expensive but, if you are handy, you can make an even cheaper repair by following this.

Regarding the .pdf file, I have checked it and it downloads for me. Is your Adobe reader OK?

Bill.
@@@@@@@

Best Regards

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