92 940 sedan

  • Thread starter Thread starter Kim Slyns
  • Start date Start date
K

Kim Slyns

The airconditiong in the my above vehicle has ceased to work. If I apply
power to the clutch on the a/c unit it engages and cools perfectly. I have
tried various suggestions from the Brickboard website,but still can't solve
the problem. Any suggestions would be very much appreciated. Thanks.
Kim
 
The airconditiong in the my above vehicle has ceased to work. If I apply
power to the clutch on the a/c unit it engages and cools perfectly. I have
tried various suggestions from the Brickboard website,but still can't solve
the problem. Any suggestions would be very much appreciated. Thanks.
Kim
Click to expand...

A relay , switch or wire is broken somewhere.
 
Kim Slyns said:
The airconditiong in the my above vehicle has ceased to work. If I apply
power to the clutch on the a/c unit it engages and cools perfectly. I have
tried various suggestions from the Brickboard website,but still can't
solve the problem. Any suggestions would be very much appreciated. Thanks.
Kim
Click to expand...

Is the pressostate on the filter/dryer cannister bad? It's a common failure,
standard GM part you can pick up at any parts store and it has a schrader
valve under it so you can replace it without opening the system.
 
James Sweet said:
Is the pressostate on the filter/dryer cannister bad? It's a common
failure, standard GM part you can pick up at any parts store and it has a
schrader valve under it so you can replace it without opening the system.
Click to expand...
Yes thanks for that James, I have actually unplugged that and bypassed it.
Still no go.
 
Kim Slyns said:
Yes thanks for that James, I have actually unplugged that and bypassed it.
Still no go.
Click to expand...

I assume the fuses are all good? Is the thermal protector on the compressor
open? Does it engage if you turn the defroster on?
 
James Sweet said:
I assume the fuses are all good? Is the thermal protector on the
compressor open? Does it engage if you turn the defroster on?
Fuses are ok , Where can I find the thermal protecter?
Click to expand...
Where can I find the a/c relay? It dosen't seem to be with the others behind
the fuse panel [near ashtray]
I do appreciate your time!!
Kim
 
I assume the fuses are all good? Is the thermal protector on the
compressor open? Does it engage if you turn the defroster on?
Fuses are ok , Where can I find the thermal protecter?
Click to expand...
Where can I find the a/c relay? It dosen't seem to be with the others
behind the fuse panel [near ashtray]
I do appreciate your time!!
Kim
Click to expand...

I have no idea unfortunately, your car is a generation newer than the
pre-update 740s I'm familiar with, it might be listed in the owners manual
though.
 
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