1975 Oldsmobile Delta 88 Recently Used Heaer Work Awsome Now Whaen U Slide

1975 OLDSMOBILE DELTA 88
60,000 MILES
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TYSONMOUTON
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  • 1 POST
i have a 1975 delta 88 i recently used the heaer and it work awsome and now whaen u slide the switch over to hot it doesnt blow hot ive changed the heater control valve i looked at the vacum ball it has little vacume on it i dont know if ots not enough vacum or what or what the prob can be
Jan 7, 2013 at 4:43 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check to see that all yoru vacuum motors work it may have a vacuum leak from engine. make sure both heater hoses are hot when engine warm.
Jan 7, 2013 at 5:55 PM
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