Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

a/c problems need some help

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Old 05-27-2010, 03:42 PM
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Default a/c problems need some help

so with these 30 degree tempratures here id like to get my system working..

ive refilled the refrigerant.
ive tried tapping on the a/c compresser to make the clutch engage..

nothing has gotten me even cool air so far.

ive heard jumping the compresser works to.. where do i jump from?
what else could i test?
do i have to jump the low side pressure sensor before i try and engage the clutch?

i know eveyone hates the a/c system on these cars..
 

Last edited by matt01; 05-27-2010 at 04:02 PM.
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Old 05-27-2010, 04:33 PM
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ok... i figured it out.. i refilled the system, but not enough because the compressor wasent working.. so i jumped the pressure sensor to make it work, i persuaded it with some wood once it started spinning the reading went way down, so i filled it up fully and the cold came... so i have to re-shim my compressor..

and i guess running a bottle of red-tek stop leak cant hurt..
 
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