Radiator fan does not turn on
Thread Starter
Driver
Joined: Mar 2008
Posts: 59
Likes: 1
From: PA
Radiator fan does not turn on
Stopped by a shop to get my AC recharged on my '07 and on my way back home, I noticed the temp gauge starting to creep up when stopped at a light. I checked the fans when I reached home and noticed the radiator fan (passenger side) was not running. The condenser fan (driver side) was running fine with the AC on. I had no overheating issues prior to getting the AC charged and I noticed the low pressure port for the AC is directly in front of the fan so I'm wondering if something became disconnected while accessing the port. I plan on looking at the wiring and fuses later today. Any other troubleshooting steps that should be checked?
CL Community Team
Joined: May 2005
Posts: 7,230
Likes: 1,746
From: VA
They probably disconnected the wires from the fan thermocouple switch, or damaged the switch. It is too much of a coincidence for it to fail right after this work was done. Take it back and tell them what happened and demand they inspect their work. I bet they find that is the situation.
Or, and I am being very cynical here, they sabotaged your car so you would return for more expensive work. I had this happen once to a Honda.
They did the 30,000 service, then the A/C quit the next day. Brought it back, they said the compressor died. My suspicion radar lit up.
I took it to another shop a friend recommended. They found the first place had removed the valve from the A/C low pressure charge port so all the freon leaked out!
Or, and I am being very cynical here, they sabotaged your car so you would return for more expensive work. I had this happen once to a Honda.
They did the 30,000 service, then the A/C quit the next day. Brought it back, they said the compressor died. My suspicion radar lit up.
I took it to another shop a friend recommended. They found the first place had removed the valve from the A/C low pressure charge port so all the freon leaked out!
Last edited by Clutchless; Jun 24, 2020 at 06:15 AM.
Pole Position
Joined: Jan 2020
Posts: 2,738
Likes: 544
From: CA
You're not being cynical, you are being properly on-guard! There are crooks in every line of business. We can only hope we don't cross paths them. Doing your own work is the only way around getting burned. If one isn't able to do one's own work, one should at least have one's head on a swivel, and not up one's own as*.
CL Community Team
Joined: May 2005
Posts: 7,230
Likes: 1,746
From: VA
I agree, I only took the Honda to a shop as I was too busy at work and wanted to maintain the service record for the warranty. They had done good work for me previously on another older Honda.
That is good information about the fans failing in the on position, similar to modern thermostats failing in open. The old ones would fail closed and make your car overheat.
Then there was the ancient Honda Prelude on which I replaced the cooling fan thermoswitch at least 4 times...
That is good information about the fans failing in the on position, similar to modern thermostats failing in open. The old ones would fail closed and make your car overheat.
Then there was the ancient Honda Prelude on which I replaced the cooling fan thermoswitch at least 4 times...
Thread Starter
Driver
Joined: Mar 2008
Posts: 59
Likes: 1
From: PA
Took it to another shop closer to me since I didn't want to risk driving it a long distance without a working fan. Diagnosed as a bad radiator fan motor. Mechanic said if he tapped on the motor housing with a hammer, the fan would come on. A new fan assembly was installed and everything is working fine now. Thanks for the replies.
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