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Old 01-26-2009, 09:51 PM   #1 (permalink)
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Unhappy Heat in front weak, New Heater Control Valve Cable?

Just bought my '01 X on friday. Brought it in for new key and FOB reprogramming.

I just got back from Northeast Acura which i have learned from this site has one of the lowest ratings at the Service desk.

I have weak heat coming out the front driver side and even weaker heat coming from the vents on the front passenger side. The rear seems to be blowing like an Iraqi sandstorm though.

The dealership says it "may" be a broken or worn heater control valve cable, but I can't see spending $240.00 on it since it "may not" be the problem. Anyone have info on this or any fix it pics/write ups? I searched the site to no avail.

Side Note: Also on the way home I noticed that the top Full Auto / Auto and other heater control buttons in that line up were not lit up and later they were - is that normal?

Thanks all, I am reading up to put a Carputer in as well will post as soon as I start. THX = )
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Old 01-26-2009, 11:12 PM   #2 (permalink)
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They could be right.

http://acuramdx.org/forums/showthrea...threadid=34422
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Old 01-27-2009, 09:57 AM   #3 (permalink)
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Thx, man your on the ball here...

Midnight, I've only posted here a few times but I have read about 50% of the threads on here in just the last few days. You have gotta have the best track record for pointing people in the right direction for problems.

Thanks again. Anyone have a clue on how to change that? Or even where to find the relacement art? I haven't found anyhing online yet...

Also, is there somewhere here that has diagrams, schematics, pics of repairs?
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Old 01-27-2009, 10:54 AM   #4 (permalink)
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found part...

So I found the part for $6 plus $8 shipping OEM. Here's the site in case anyone is interested, and here is the schematic.. if it will show .gif

Anyone else ever done this? I'll be looking at the firewall today at lunch and try to determine if I can pull it off.

THX
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Old 01-27-2009, 10:56 AM   #5 (permalink)
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Site

Whoops here's the site....


http://www.acurapartsoem.com/partloc...layCatalogid=0

And the cable is obviously the part numbered "7".
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Old 01-27-2009, 01:06 PM   #6 (permalink)
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Eyes on the Valve

Just ran out to my car and took a pic of the valve. Figured I'd edit something up for anyone who may have this problem or question.

The cabe seems to be stiff and not moving but the arm(?) on the valve moves extremely freely and the screw that holds it down is not tight by any means.

Does anyone know how this should be? or look for that matter? Loose? Tight?

BTW - this is located inside the engine compartment throught he fire wall; passenger side.
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Old 01-27-2009, 01:12 PM   #7 (permalink)
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Sorry for so many posts. This is my first forum so I'm a bit S..L..O..W.. = )
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Old 01-28-2009, 07:00 PM   #8 (permalink)
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I just checked mine. It does not move up and down like you describe.
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Old 01-30-2009, 08:16 AM   #9 (permalink)
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Sinecure, THX bro!

Awe your awesome THX, I'll just go and tighten it and if that doesn't work I'll replace; the whole valve is only $28. Acura was going to charge $240 to replace the cable which isn't even broken so you just saved me some serious $$$.

Thanks again! Let me know if you ever need any info off mine!
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Old 09-18-2009, 12:43 PM   #10 (permalink)
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Did your MDX have nav & did you happen to notice any change in the temp gauge when your heater went out? I am having heating issues & trying to determine if its the thermostat or if its the valve.


Thanks
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Old 09-29-2010, 10:55 AM   #11 (permalink)
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I am new to this forum and a new acura owner but not new to auto repair. Sorry to revive an old thread but I am confused. I have the same problem, heat in the rear but not in the front. Can someone explain how a broken valve could cause this? Are there 2 heater cores? Other wise it would seem that preventing flow of hot water to the heater core would mean no heat front or rear.
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Old 09-29-2010, 02:30 PM   #12 (permalink)
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I can now answer my own question, there are 2 heater cores
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Old 11-17-2010, 08:32 PM   #13 (permalink)
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I am having the same problem with my 06 MDX, no front heat but rear heat is fine. I found the valve pictured, however it opens/closes fine when I cycle the controls from cold to hot.

I can only assume that it splits into two circuits once the line passes through the firewall, and the circuit that supplies the front heating coil is somehow blocked? Another valve maybe?

Anyone have any ideas?

This weekend I plan to take the glovebox out and have a good look around.
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Old 11-27-2010, 05:04 PM   #14 (permalink)
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Originally Posted by bw1972 View Post
I am having the same problem with my 06 MDX, no front heat but rear heat is fine. I found the valve pictured, however it opens/closes fine when I cycle the controls from cold to hot.

I can only assume that it splits into two circuits once the line passes through the firewall, and the circuit that supplies the front heating coil is somehow blocked? Another valve maybe?

Anyone have any ideas?

This weekend I plan to take the glovebox out and have a good look around.
am having a similar problem with my '01 MDX where I get hot air out of the upper vents when I set the temp to 70 degrees. It should be blowing cold and was hoping you might find a solution as it sounds like the same problem?
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Old 10-09-2012, 09:40 PM   #15 (permalink)
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Love this place. This thread saved me some serious dough. Starting to get cold here in Canada and would have had to go to the dealership. I am by no means handy but found the cable using the picture and descriptions above. My '06 is a little tricky because one of the hoses is directly over top of the screw. I also had to take the engine cover off to get past the engine and down to the cable. Anyway. All is good now. the screw was badly corroded and needed at least a full turn tighten. I also oiled. Thanks for all your help.
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