WATER PUMP time for me!

[-sin-]

Okay so everythings installed, didn't do the thermostat since it was done 2 years ago.
Filled rad and just pulled the truck into the garage, gonna wait till tomorrow to run it up to temp.

Thanks for your help and info guys!

 

[ram1220]

Guys how do you check the fan clutch to see if it's bad or going bad? I am wondering about the one in my 90 GMC w/350. With engine off I can turn the fan fairly easily. Is that the way to test?

 

[77Impala]

Engine cold the fan should be stiff to turn (moves but does not free spin). If you just turned off the engine the fan may be very easy to turn.

 

[SlimRockett]

Another way to check fan clutch when you turn motor off fan shouldn't keep spinning.

 

[ram1220]

Thanks guys. My fan clutch appears to be ok.

 

[-sin-]

Received and installed the new 11 blade fan tonight! Also re-checked the water pump bolts and hosed out the radiator/condensor fins (little bit of mud in there!)

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[Ruger_556]

Received and installed the new 11 blade fan tonight! Also re-checked the water pump bolts and hosed out the radiator/condensor fins (little bit of mud in there!)

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Nice, I have the 11 blade fan also. Significantly quieter

 

[Doublestack00]

What years will the 11 blade fan work on? I would not mind putting that on my 1990, especially if it'll cool better and be quieter.