Air conditioning

1988 OLDSMOBILE 88
146,000 MILES • 3.8L • 6 CYL • AUTOMATIC
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L3
  • MEMBER
  • 1 POST
My cold air is not blowing through my front vents nor through defrost.
May 19, 2017 at 8:41 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
I am assuming this Is manual A/C. check for a vacuum leak it may be on engine side or leading to and including switch or vacuum motor. you want the vacuum motor that leads to defrost/heat/vent it is marked in picture.
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May 19, 2017 at 8:54 AM
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