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#1 |
2WD 4 Life
Join Date: Oct 2008
Location: Coon Rapids, MN
Posts: 169
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Heater Box Vacuum Source???
i have no control over my heater box. i slide the selector to any position and it blows out air where ever and when I come to a stop the air mix door moves so I lose heat! what is going on here??? its like i have no vacuum... So where is the source of vacuum for the controls come from??? i need help asap since its freezing cold and i cant drive down the road like Ace Ventura again when my windsheild needs defrosting.... Thanks
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Big D 1969 c10 1960 cadillac 1978 king cobra |
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#2 |
dang its hot
Join Date: Nov 2006
Location: frankfort kentucky
Posts: 1,349
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Re: Heater Box Vacuum Source???
check your vacuum canister, there should be a one way vacuum valve in line with the canister, my bet is this valve is missing or non functioning
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#3 |
2WD 4 Life
Join Date: Oct 2008
Location: Coon Rapids, MN
Posts: 169
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Re: Heater Box Vacuum Source???
thats in the front of the engine compartment behind the driver side headlight right? anyone have a picture of what it should look like??? it would be great help!
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Big D 1969 c10 1960 cadillac 1978 king cobra |
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#4 |
dang its hot
Join Date: Nov 2006
Location: frankfort kentucky
Posts: 1,349
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Re: Heater Box Vacuum Source???
no, that is the vapor canister. the vacuum canister was round in my truck(84 GMC) and on the firewall 0n the drivers side
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#5 |
2WD 4 Life
Join Date: Oct 2008
Location: Coon Rapids, MN
Posts: 169
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Re: Heater Box Vacuum Source???
ok thanks man!
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Big D 1969 c10 1960 cadillac 1978 king cobra |
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