'87 240 Dl A/C problem

  • Thread starter Thread starter K_enny_D
  • Start date Start date
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K_enny_D

My air conditioner will only cool down to outside temperature. This is only
a problem with the A/C the heat works fine. Also when I turn my blower up
past the second level it makes a really loud noise while blowing. Any
ideas as to what causes these problems?
 
K_enny_D said:
My air conditioner will only cool down to outside temperature. This is only
a problem with the A/C the heat works fine. Also when I turn my blower up
past the second level it makes a really loud noise while blowing. Any
ideas as to what causes these problems?
Click to expand...

It's probably low on refrigerant.

What kind of noise? 240 blowers are notoriously noisy, if it's screeching
though the motor is shot.
 
Refrigerant undoubtedly low but w/ an '87, unless system has been
rebuilt before, you may be getting into an expensive fix. Decide how
much you need ac and what you are willing to spend to get it working
well, or how much you're willing to throw away for a "possible" quick
fix. The blower motor is on the way out, but it may last for years
(son's '87 lasted over 6 years for beginning of screeching). There is
a procedure for lubing the motor bearings which does help and is worth
the effort. Someone will post it (or you can google it).
 
i've added refrigerant before, thats not it. I was thinking (actually
hoping) it might be a cracked condenser because i could fix that, anything
else is probably out of my range.

The blower is not so much screeching as well I dont know how to describe
it just loud. It also sounds like there is something inside the motor
rattling around.
 
The blower motor has a blade on both sides held on by a c-cilp. sometimes
they break or come loose causing a noise. They also have wieghts to balance
them and they can come loose. They also just break. It's hard to diagnoise
without taking the housing apart. It's a fairley expensive job just to get
in there. Most shops will charge 4 1/2 hr.s . Change the motor in any case.
You'll save money in the long run.
 
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