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

1996 VOLVO 960
128,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DOBIN
  • MEMBER
  • 1 POST
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.
Sep 9, 2010 at 3:26 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 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)
Sep 11, 2010 at 3:01 PM
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