4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHeat then No Heat - I can't figure this out
Leading reported evidence
Check ac compressor
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Discussions that contain suggestions
1
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Suggestion
At that point, if yes, check the AC compressor to see if it is engaged.
Leading evidence: 'Check ac compressor' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check ac compressor' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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I posted a week ago about the sudden issue where I was having no heat....I removed and taped up the flaps in the dash last year and made my heat work perfectly. AC also worked perfectly. Last week, out of the blue, I had zero heat at all. It was blowing just cool air.
I suspected it was my Heater Core, so ordered a new one. Coolant level is normal...No leaks, no weird smells. Nothing.
Yesterday, I wanted to get a look at the flaps again to see how they were looking. I removed the panel to the left and right of the HVAC control system, where the cigg light adapter/wiper speed adjuster, and other buttons are. I unplugged them. I then unplugged the HVAC controller, but didn't have the right tool to remove my radio, so i plugged everything back in. After doing that, I HAVE HEAT! However, now, when i turn on the AC at the lowest temp, I still HAVE HEAT! The pictures show what I took off, unplugged, and then plugged back in.
What did I do to change it from No Heat/Only A.C. to now Onlyl Heat/No A.C.?
What part do you think is broken, and needs to be replaced? I'm at a loss because I didn't really do anything in the dash and cannot understand what needs to be fixed/adjusted.
When you press the snowflake on the HVAC panel, does it come on in the display indicating the AC is on? At that point, if yes, check the AC compressor to see if it is engaged.
Update: Yesterday, I had heat, and only heat, on my morning drive to work. I shut the car off. Started it back up, and now I had Cold AC and ONLY cold AC, no matter what temp I adjusted it to. What could possibly be causing this? Is it some type of motor or switch that adjusts the flaps? I'm fairly comfortable trying to take on any job, but removing the dash and going through all the duct work is intimidating for me. Any suggestions as to where I should start?
Thanks
It sound like your controller/logic board may be malfunctioning. At least you know that the heat and AC both work... Now the trick is to get them to work on demand...Sorry I can't help you with that
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