biddle
Forum Moderator
Staff member
- Reaction score
- 1,159
- Thunderbird Year
- 2003
Since this topic has already been discussed extensively, I merged your post here.I have a 2002 Thunderbird that recently overheated. It had overheated once before several years ago and the problem was a cracked overflow bottle. This time my wife was driving in very hot weather (90 degrees) and in stop and go traffic and the car overheated. My mechanic (not a tbird specialist) tried to reproduce it by running it idle, running in idle with ac on and driving the car around for 15 minutes or so but the temp indicator remained normal slightly below half way. He replaced the thermostat anyway. I just ran the car in idle for about 1/2 hour, 10 minutes of AC on and a few minutes of slightply increased rpm but the gauge was again normal.
I’m concerned about the hydraulic fan failing and my question how does fan failure show itself? Did anything that I or my mechanic did test the fan’s operation meaningfully? I would prefer not to be stranded somewhere if I can avoid it but I realize the risk may be unavoidable. I should mention that I almost never use the car’s air conditioning system.
Search the forums for hydraulic fan and you will get your answer. Example:
2002 Hydraulic Fan Behavior
I have a 2002 T-bird with a hydraulic fan. It speeds up when the A/C is turned on as expected, but it increases speed at a very slow rate. I don't know if this is normal. When the A/C is turned off, it slows down very slowly. When the car is turned off, the fan keeps spinning for awhile as it...
forums.fordthunderbirdforum.com
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