1996 Volvo 960 Sometimes it works and sometimes it doesn't

Tiny
DOBIN
  • MEMBER
  • 1996 VOLVO 960
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 128,000 MILES
When I start my car sometimes my air blows cold and will continue to blow cold throughout a trip. This may happen for a couple of start-ups and trips in a row; then, I will start up the car and the air blows the outside temperature and will continue to do so for a couple of trips.

I am not sure if this is related or not (it doesn't seem like it would be) but my brakes are also hissing when I press them and it seems like I am loosing my power brakes.
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Thursday, September 9th, 2010 AT 10:26 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

Thank you for the donation,

I feel that they may be related, I would like to see you go get the vacuum system checked, the hiss may well be a vacuum leak, this will affect the operation of the power booster and also any vacuum controlled heater & A/C vent control systems, start here.

Mar (mhpautos)
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Saturday, September 11th, 2010 AT 10:01 PM

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