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Old 10-26-2004, 06:54 PM   #18
cl1986
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Join Date: Oct 2004
Member ID: 20115
Location: SD
Posts: 161
Re: Waterpump replacement for '96-'99 Vortec motors.
Well here goes,

Followed instructions. Went really good. Easy level of 1

Make sure you have plenty of light, a 4ft shop light works great, just dont keep hitting your head on the clamps.

To get the big fan nut off DONT use the 10mm wrench on one of the 4 pully bolts, lickely to twist them off. I used a big cresent wrech and keep hitting it with a hammer and eventually it will break loose. It took about 50 hits, dont smack it real hard, u just need light taps to jar the rust loose. Dont waste $28 on a tool u wont ever use agian.

Remove the lower shroud to acces your stupid placed drain plug and let the water run all over the place, why cant the just put a 6" hose on that and run it right into a bucket??

The pump removal was a piece of cake, by the way u will still have water in the lowe radiator hose that will go all over causing a big mess.

To put the new pump on, read instructions that came with pump and use some tacky sealer to hold the gaskets on and some thread lock on the 4 bolts and torque them to 30 ft lbs.

When removing your dumb hose clamps, make sure you have a proper tool like a big plier to squeeze the clamp, my little plier slipped off and rammed into the radiator, hope that doesnt leak..

Over all this is super easy, hardest thing was big nut, just tap on it till it breaks loose, my truck has 113,000 miles on it and is a 98,

Good luck
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