Pardon my ignorance, though that's why forums exist I guess, but I do not have a strong understanding of the heating system in my truck and can't seem to find the info in my manual. The issue is that I have heat coming from the center/rear console but only cold air blowing out the front end. The valve on the firewall is free and clear, and while I might have some air in the system I tried hard to bleed it out. My zone valve will only allow defrost or feet heat (something is stopping it from going to dash heat) but I don't know how that would affect the temp. Any ideas? Is the rear heat on a different line? Might my dash heater core be clogged? or maybe I did a poor job of bleeding the air out? Any help is appreciated, it's getting cold up here in AK. It's a v6 if that makes any difference.
89 Runner dash Heat
- Thread starter akrunning
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Eugene13
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Like you said could be the heater core in your dash is clogged. That was my problem last winter, so I took both of the hoses off in the engine bay (feed and return) and got a hose with a nozzle that sealed it well, and sprayed all the crap the was in there out. Heat worked just fine after that. This however was on my carbed 22r, so I'm not sure how the v6 is set up, couldn't be that much different.
