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is there a how to article on doing a water pump on a 98 Z28?

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Old 12-26-2006, 05:00 PM
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Default is there a how to article on doing a water pump on a 98 Z28?

I did a search and could not find anything significant within 2-3 pages.
Old 12-26-2006, 05:06 PM
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This (http://ls1howto.com/index.php?article=26 ) is the electric water pump install guide. You can use the "Part 2: Removing the stock pump" Section as a guide to removal. To install, just reverse..

Note: Torque the waterpump bolts in a 2 pass sequence, first to 11lbft, then do a second pass and tighten them to 22lbft.
Old 12-26-2006, 05:31 PM
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thanks, looks like a PITA!
Old 12-27-2006, 08:58 AM
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I did mine in a couple of hours. I wasn't in a hurry.

The hardest part was getting the old gasket off. Have a good scraper handy. I had to use a fiber sanding wheel, too.

I wound up vacuuming the bits out of the block with my shopvac. I took the opportunity to vacuum out as much of the old coolant as I could and changed over to green coolant.

Keep your fasteners separated and remember which hose goes where and that's 90% of the battle.
Old 12-27-2006, 10:16 AM
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Its an easy swap!! Wont take you that long. One of the easier things to do on an ls1
Old 12-27-2006, 10:36 AM
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Originally Posted by Mr Incredible
I did mine in a couple of hours. I wasn't in a hurry.

The hardest part was getting the old gasket off. Have a good scraper handy. I had to use a fiber sanding wheel, too.

I wound up vacuuming the bits out of the block with my shopvac. I took the opportunity to vacuum out as much of the old coolant as I could and changed over to green coolant.

Keep your fasteners separated and remember which hose goes where and that's 90% of the battle.
Mine had good 'ol LSX type o-ring gaskets....did you have paper
Old 12-27-2006, 12:45 PM
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I am in the process of installing a new water pump and alternator now. I did the removal today and I am awaiting parts for Friday. I had the o-ring gaskets and they came off with ease. My question is how do you get the waterpump pulley off? The new one will not come with one will it?

Thanks,
Chris
Old 12-27-2006, 12:54 PM
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comes on the new one
Old 12-27-2006, 05:45 PM
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Sweet, just the answer I wanted to hear.
Old 12-27-2006, 09:54 PM
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My 98 had the paper gasket, what a PITA!! took forever to get off the block... install isn't bad at all...
Old 12-27-2006, 10:18 PM
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Originally Posted by 1QUIKTA
Sweet, just the answer I wanted to hear.
You know I might be mistaken. I'm not real sure now that I think about it..LOL Should be on the new one is my guess then
Old 12-28-2006, 09:40 AM
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Originally Posted by sprayjunkie
Mine had good 'ol LSX type o-ring gaskets....did you have paper

Yes, paper at the pump-to-block. Black in color and black at heart, they were.
Old 12-28-2006, 09:42 AM
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Originally Posted by 1QUIKTA
My question is how do you get the waterpump pulley off? The new one will not come with one will it?
The one I got didn't come with a new pulley. The old one came off w/just 4 bolts, if I remember right. No problems making the changeover.




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