I HAVE A 1975 DELTA 88 I RECENTLY USED THE ...

1975 Oldsmobile Delta 88

Tiny

tysonmouton

January, 7, 2013 AT 4:43 PM

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

1 Answer

Tiny

hmac300

January, 7, 2013 AT 5:55 PM

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.

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