Troubleshooting no heat
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Joined: Dec 2006
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Troubleshooting no heat
I have a 97' E Super Duty with the V10, its an RV. I am having a heating issue and have started to troubleshoot it, I have the dash about 3/4 off. First the blower motor blows cold air on any setting, defrost-vent. I can here the blend door move when I switch the temp over to heat. The camper never has overheated, the needle stays just below the midway point. When I let the camper warmup to operating temp, the inlet/outlet water hose seem hot however I can squeeze them flat, for that matter I can squeeze the radiator ones flat as well. I have read that there may be a switch/thermatstat that allows water to flow into heater coil, if any one could help me on this it would be great. Also if anyone knows of a location I can get a fuse box diagram and what the fuses go to I would appreciate it.
Post Fiend
Joined: Jan 2002
Posts: 5,859
Likes: 7
From: USA
If you go to www.alldata.com/ look up the yr van an engine you have it will give you the manual you need for your van front.Some dollars for a subscription for a yr .
Just a thought.
Rich
Also if there was a valve it would be on 1 of the heater hoses that go to the heater core box.
Also the blend door actuators were known to break on the early ac/heater plenum.
chk that out also
Just a thought.
Rich
Also if there was a valve it would be on 1 of the heater hoses that go to the heater core box.
Also the blend door actuators were known to break on the early ac/heater plenum.
chk that out also
