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A/C not getting to inside compartment

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

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wfierbaugh
Posts: 2
Joined: 4 July 2016
Year and Model: 1998 S90
Location: Dallas Texas

A/C not getting to inside compartment

Post by wfierbaugh »

My 1998 S90 is driving everyone nuts. Everything under the hood seems to work... even weighed Freon, etc. compressor works, etc. but...
air does not blow inside to the compartment. It just stopped. What is an actuator in this system? Is it a vacuum controlled item and where is it? You can feel cold on feet (barely at 60 miles per hour) but... no fan blows inside cold air though the fan still works...(well the fan makes lots of fan noise but nothing comes out....) The local mechanic did his $69.95 A/C service check up and he says he needs to do an all day $500 pull of the entire dash to figure out what is wrong... I would surely appreciate any ideas. Thanks, Bill in Dallas TX where hot water comes out of both sides of the faucet in the summer.

lummert
Posts: 1381
Joined: 29 January 2008
Year and Model: 760 1988
Location: Portland Indiana, USA
Been thanked: 26 times

Post by lummert »

Sounds like a servo that directs air. Even if the vacuum control module has failed air should come out of the heater and defroster.
1988 Volvo 760 Turbo Wagon

wfierbaugh
Posts: 2
Joined: 4 July 2016
Year and Model: 1998 S90
Location: Dallas Texas

Post by wfierbaugh »

Thanks for the reply. At this point I am still stumped. A mechanic says the "blender" is at fault and wants to pull out the entire dash to get at the blender, etc. I am told by mechanic it will be a labor intensive job and probably cost me more than the car is valued. Any ideas?

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