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Toyota Highlander Heating Ventilation and Air Conditioning

107 messages,  Last post on Nov 16, 2009 at 5:13 PM

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What is this discussion about? Toyota Highlander, SUV

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#23 of 107 Re: EZ Airconditioner fix [webgood] by kleutster Mar 19, 2008 (7:40 am)
Replying to: webgood (Mar 11, 2008 10:26 am) Hey Webgood, After posting my problem (#19), decided to check if the nut on the heater knob post had come loose. Sure enough, it was loose enough to cause the irregular heating issue. Amazing. I'm so glad I found this forum and your posting. It saved me hundreds of dollars, I'm sure. Thanks again. To everyone else, it's an easy thing to check and rule out. As Webgood said, the heater knob should be nice and firm when turned and you should slightly feel position indents or stops as it turns. Mine didn't until I tightened up the nut. Pull the heater knob straight off and feel if the nut is loose. Keep spreading the word. Replies to this message: webgood (Mar 22, 2008 1:38 pm) chuck58 (Mar 31, 2008 8:01 pm) webgood (Apr 01, 2008 11:12 am) webgood (Apr 01, 2008 12:45 pm)
#24 of 107 Re: EZ Airconditioner fix [kleutster] by webgood Mar 22, 2008 (1:38 pm)
Replying to: kleutster (Mar 19, 2008 7:40 am) Hey kleutster, that's great! I can't take credit for it...wise and experienced people discovered it and posted here on Edmunds some time ago; I just passed it on. Thanks to Edmunds and the moderators for hosting such a great and resourceful forum!! Replies to this message: chuck58 (Mar 31, 2008 8:01 pm) webgood (Apr 01, 2008 11:12 am) webgood (Apr 01, 2008 12:45 pm)
#25 of 107 Re: EZ Airconditioner fix [webgood] by chuck58 Mar 31, 2008 (8:01 pm)
Replying to: webgood (Mar 22, 2008 1:38 pm) I've been using the AC to cool since it has been getting warmer over the last week and everything has worked fine up until this evening. Strangely enough, at the same time I noticed that the fuel gauge is stuck at 1/4 tank. This morning I ran it pretty much down to E before filling it up to full.   I plan on checking the AC knob to fix the AC problem tomorrow but have no idea about the fuel gauge. Could these possibly be related? Replies to this message: webgood (Apr 01, 2008 11:12 am) webgood (Apr 01, 2008 12:45 pm)
#26 of 107 Re: EZ Airconditioner fix [chuck58] by webgood Apr 01, 2008 (11:12 am)
Replying to: chuck58 (Mar 31, 2008 8:01 pm) Chuck, I can't imagine how they could possibly be related. The AC knob is real quick and easy to check and fix, but the fuel gauge...that's a whole 'nuther can of worms (could be in the tank itself or the dash gauge or wiring between them). Sorry. Good luck & let us know. Regards, BGood
#27 of 107 Re: EZ Airconditioner fix [chuck58] by webgood Apr 01, 2008 (12:45 pm)
Replying to: chuck58 (Mar 31, 2008 8:01 pm) I neglected to mention, do a search in the discussions for 'fuel gauge', you'll find some interesting info in Maintenance and Repairs that might apply. Regards, BGood
#28 of 107 Re: EZ Heater Fix by jahoss Apr 08, 2008 (5:30 pm)
Replying to: webgood (Mar 09, 2008 6:37 am) I called Toyota in Concord, CA and they told me rather curtly that is would be $149 to diagnose the problem and up to $1,000 to fix and the guy just couldn't give me anymore information on about why the heat wasn't working on my 4 year old Highlander.   I found this site after a general search for Highlander Heater Problems. I did as they said, "take the knob off, added a drop of Loctite, and tightened the nut." It works. I'm sending a copy of this post to Toyota. What lousy customer service from the dealership where I bought my car and have had all my previous repairs done.
#30 of 107 Sweeeeeeeeeeeeet. by thaim Apr 25, 2008 (12:17 pm)
My '01 Highlander started doing this exact thing in March. I was worried that it'd be a costly fix, but after Google led me here I'm pretty confident that pulling the knob off mine and tightening the nut will be the fix. Thanks guys. Great find. Replies to this message: webgood (Apr 25, 2008 2:50 pm)
#31 of 107 Re: Sweeeeeeeeeeeeet. [thaim] by webgood Apr 25, 2008 (2:50 pm)
Replying to: thaim (Apr 25, 2008 12:17 pm) Lots of good info here!

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