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ECC Clarification 700 1987

posted by  VolvoSteel on  Fri Oct 29 18:55 CST 2004
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last visit: Sun Mar 23 21:28 CST 2014
[RELATED]

While reading the FAQ on a No Heat issue it stated to check the Heater Control Valve for vaccumm which i have to be none. It also said there was a vac res under the pass side conpartment is this correct for the 87 765T?

I have no heat the top hose is hot the bottom luke warm, im considering going to visit my brother in law up in the mountains here on sunday and would appriciate some heat or i just cant take the tank with me. There has been no work to the transmission since i have owned it and the PO said the heat worked great.

I have a brand new completly machined head on the car with a new Thermostat. I cannot get any air to blow from the top vent's. It feals like there may be alittle heat comming from the bottom. I check the valve and it is pointing in the correct direction. PO has ECC/ACC unit replaced once and it does appear to be working. im moving the lever 1 over left to right to the X over the snow flake, any other position turns the A/C on. I move the knob to past 85 and the blower motor kicks in high gear.


The A/C works fine and did so throughout the summer and still does, i did notice that vents were slow to change but did, there is no chage in anything under acceleration.

So for my verification from those who have been here, i should be checking the vac canister under the pass side correct? Or should i be looking at something else?






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