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Old 03-01-2007, 06:24 PM
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Fan Clutch Problems

Bought a standard thermostatic fan clutch setup from summit quite a few months ago and it's been sitting for some time. Finally got around to installing it with an OEM fan. Whenever it engages, it's supposed to run at 70% of the engine's rotational speed. I tested it without a shroud first to see if everything was working properly and what a surprise, I don't think it is. I took it around the block for a good 20 minutes, parked the el camino in the garage and let it idle for a good while. Shut it off, grabbed a fan blade and attempted to turn it and.. what the hell? The fan's turning relatively freely, not resisting being turned like what it's supposed to do when engaged. Cranked it up again, let it get to 220 and then shut it off. Again, still offering very little resistance. This is a load of bull. Defective part or is this really what it's supposed to be doing? The fan is no more than 1" away so it's plenty close to absorb the heat properly. I'm guessing it's a defective part. I don't want to go through the trouble of sending it back to summit and have it go through warranty check and wait for god knows how long just to get another one that might be defective as well. I'm not very happy but at least I fixed the leak from my radiator.
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