1992 cutlass supreme heat problems

Asked by Dec 17, 2015 at 12:55 AM about the 1992 Oldsmobile Cutlass Supreme 2 Dr STD Convertible

Question type: Maintenance & Repair

I have a 1992 Oldsmobile Cutlass
Supreme 3.1 L The vacuum lines
have been repaired. Blower works
great. Heater core has been
flushed. New thermostat. Still it
blows cold air.

1 Answer

4,175

Can't remember what it's called, but there's a vacuum operated valve under the dash that opens and closes a gate in the ductwork that closes off the hot air when its not required. It's quite possible that diverter valve has failed and isn't opening when it should.

1 of 1 people found this helpful.

Your Answer

Oldsmobile Cutlass Supreme Experts

  • #1
    munron
    Reputation
    660
  • #2
    tennisshoes
    Reputation
    410
  • #3
    Tom Demyan
    Reputation
    340
View All

Related Models For Sale

Used Buick Regal
163 Great Deals out of 9,954 listings starting at $2,500
Used Chevrolet Camaro
422 Great Deals out of 31,920 listings starting at $2,395
Used Ford Mustang
755 Great Deals out of 42,814 listings starting at $1,300
Used Chevrolet Caprice
175 listings starting at $9,970
Used Pontiac Grand Prix
39 Great Deals out of 2,725 listings starting at $1,200
Used Chevrolet Corvette
248 Great Deals out of 22,275 listings starting at $2,500
Used Pontiac Firebird
10 Great Deals out of 815 listings starting at $1,900
Used Cadillac Eldorado
361 listings starting at $2,300

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.