'96 850 wagon - No cabin fan

  • Thread starter Thread starter Atif
  • Start date Start date
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Atif

On my '96 850 wagon, 5spd, the cabin fans no longer run.

When I turn on the climate control (heater, defroster, etc) the re-circ
and A/C light just flash.

I have the computerized climate system. The manual says is that the
flashing lights indicate a fault and I need to take it to a technician.

The local Volvo shop can't look at it for while. Any thoughts,
suggestions?

Right before I started having this problem I did notice that the fans
sounded louder than usual.
 
Atif said:
On my '96 850 wagon, 5spd, the cabin fans no longer run.

When I turn on the climate control (heater, defroster, etc) the re-circ
and A/C light just flash.

I have the computerized climate system. The manual says is that the
flashing lights indicate a fault and I need to take it to a technician.

The local Volvo shop can't look at it for while. Any thoughts,
suggestions?

Right before I started having this problem I did notice that the fans
sounded louder than usual.
Click to expand...

This indicates a code is stored. Often this is caused by the heater fan
motor seizing up. The climate computer monitors the current the motor
needs, and if it gets too high (indicating a failing motor), the motor
is shut off and the lights flash. Of course, you should have the codes
read to make 100% sure, but the fact that the fan was louder than normal
makes me think a new fan motor should cure your problem.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
 
Of course, you should have the codes read to make 100% sure, but the fact
that the fan was louder than normal
makes me think a new fan motor should cure your problem.

Mike F.
Thornhill (near Toronto), Ont.
Click to expand...


I'm not sure on a '96, but you can read the codes for the climate control on
the '95 by putting the test lead into the #1 socket on module B (the one to
the right). The fault codes are given on page 3-10 of the Haynes Repair
Manual. You might also find them at Volvespeed.com.

John
Irvine, CA
 
I'm not sure on a '96, but you can read the codes for the climate control on
the '95 by putting the test lead into the #1 socket on module B (the one to
the right). The fault codes are given on page 3-10 of the Haynes Repair
Manual. You might also find them at Volvespeed.com.
Click to expand...

Apparently '96 was the first year that you could NOT do this. Starting
with the '96 models you have to have the special equipment to get to the
error codes.
 
This indicates a code is stored. Often this is caused by the heater fan
motor seizing up. The climate computer monitors the current the motor
needs, and if it gets too high (indicating a failing motor), the motor
is shut off and the lights flash. Of course, you should have the codes
read to make 100% sure, but the fact that the fan was louder than normal
makes me think a new fan motor should cure your problem.
Click to expand...

I suspected it was something like this. Any idea how much this should
cost? Just so I know before the mechanic gives me a quote.

Thanks for all the help!
 
Atif said:
Apparently '96 was the first year that you could NOT do this. Starting
with the '96 models you have to have the special equipment to get to the
error codes.
Click to expand...

That makes sense. 1996 was the first year OBD-II was required in the US so
it became pretty common, and the spec didn't call for the owner/operator to
be able to read the codes.

Mike
 
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