2010 compass heater problems? - JeepForum.com
 
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post #1 of 1 Old 12-19-2016, 01:13 PM Thread Starter
tom5170
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Join Date: Mar 2014
Location: detroit
Posts: 108
2010 compass heater problems?

It's my mom's BF's vehicle so I am quite unfamiliar with it. I work on older vehicles lol.

Anyways, a few weeks ago the inlet pipe that runs from the tstat housing to the water pump was corroded and leaking. Shop replaced it along with the other 2 water pump gaskets. Mom's BF then complains that his heat wasn't hot. I figure it was air pockets from not being properly bled. I also read about the bleed holes on the t stat's on the compass so I figured maybe if he drove it long enough, the air would work itself out.

It's been about 2 weeks now and his heat is still crappy. I went to his house today, took radiator cap off. I had him sit in the driver's seat giving it revs while I stood outside next to driver's door. I kept checking the vent closest to driver's side front window for warmth. That vent seems to get pretty warm. All the hoses felt hot including both heater core hoses. So after about 20 minutes I put radiator cap on. I went and sat in passenger seat and discovered the vents in the middle and the one on passenger side nearest window felt luke warm and the vent closes to driver's window is considerably warmer. He gave it short revs and the vents still blew out luke warm except the one closest to driver's window which feels warm. The temp gauge was at half way the whole time.


The shop removed the t-stat housing to replacing the inlet pipe. Could they have put the t'stats back in backwards? Could it be a vacuum issue? Issues with the control box? Could it be the blend doors? I did put some aluma seal in the radiator when the inlet pipe was pissing coolant so I doubt it blocked anything. Would there be any reason for that one vent to blow warm air compared to the others blowing luke warm air? Where do I start? He really has no money until after Christmas.

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