Mine has done that since I bought it. I've been curious as to whether or not that is normal. I have assumed it's working since it quiets down once the engine 'warms up'.
Mike

 

Alan,
Mine did exactly that as well for the first block.
When the car was stone stock and I was in traffic on a scorcher the fan clutch locked up fully as well.

I don't know if the cold lock up is by design or more the silicone fluid settling from sitting.

Tons do it though, Gerry

 

our 94 roady wagon is the same,. as is our conversion van,both noisy for the first little while,.

 

When I had my 94 it did the same thing. I also have a 92 Chev. P'up and it does it too. Noisey as hell for a mile or so then it's OK.

 

Both of my '94's are tow package cars, and sound like the world imploding on start up. Made me cringe until I got used to it.

 

Mine did it too. Drove me nuts. Right now the belt is off. I have the secondary fan programmed to act as a primary and so far so good. It barely keeps up in stop and go traffic on a 95 degree day. Temps never been over 190 though.

 

You can replace the noisy fan clutch with one from a '84 Buick Lesabre with standard cooling. NAPA part number is 271305. They sell one that is not silicone for a couple of bucks less but it will make noise.

Got this tip from RJI...and it worked well

Later,
Bob T.

 

Originally posted by Baatfam:
You can replace the noisy fan clutch with one from a '84 Buick Lesabre with standard cooling. NAPA part number is 271305.

I also did the NAPA fan clutch mod and am very happy with it. It probably gains back over 1/2 the horsepower lost with the mechanical fan (over dual electric fans) and only costs about $70.

 

Old thread but glad I found it. Tried it and happy with it so far, wait for hot summer heat to finalize, but agree with above posts, can feel the extra horespower and quick response.