LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Waterpump Install help

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Old Aug 29, 2003 | 02:38 PM
  #1  
Coop1's Avatar
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Waterpump Install help

Is there a good online waterpump install instructions somewhere? I would appreciate the help cause I have to change mine this weekend. Thanks.
Old Aug 29, 2003 | 03:07 PM
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Compstall's Avatar
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From: Tacoma, WA, USA
It's very simple. You should be able to figure it out once you get started.

Drain radiator
Remove intake elbow & MAF
Remove belt
Remove pump mount bolts
Remove pump
Remove thermostat housing and thermostat
Clean mating surface for new pump on engine
Install gaskets with new pump
Tighten down bolts
Install everything else
Fill radiator
Start car and bleed air out of system through bleed ports
Drive and enjoy
Old Aug 29, 2003 | 04:54 PM
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Make sure you change the O ring on the water pump drive shaft, the new water pump should already have a new O ring on its shaft.
Make sure your oil seal on the WP shaft is not leaking, mine was pretty bad so we replaced it.
One of the hardest parts for me was cleaning the old gasket from the mounting points, I had to scrape it with a razor blade for awhile to get all the old gasket material off.
Other than that its pretty straight forward.
Old Aug 29, 2003 | 05:04 PM
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Originally posted by revtime
One of the hardest parts for me was cleaning the old gasket from the mounting points, I had to scrape it with a razor blade for awhile to get all the old gasket material off.
Other than that its pretty straight forward.
Drill with wire wheel......fast and easy.
Old Aug 29, 2003 | 05:09 PM
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I had a dremel with a wire wheel and it still was not coming off.
That old gasket was on there.
Old Aug 29, 2003 | 05:29 PM
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1993formula's Avatar
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From: titletown, WI, USA
I must add that a gasket scraper helps alot.
basically a razor blade, but with a screwdriver handle for control and reach. auto stores have them.
-keith
Old Aug 29, 2003 | 05:31 PM
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CGrant's Avatar
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3m makes a red scuff wheel to take gasket material off, I just got mine from the local autoparts store, It fits on the end of a die-grinder, Works awsome, I use a one sided razor blade to get most of the gasket off then I run over it with the red scuff wheel, then clean with laquer thinner
Clean as a wistle
Old Aug 29, 2003 | 05:48 PM
  #8  
RamAir95TA's Avatar
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From: Woodstown, NJ
To remove the old gasket, you're going to need more than a Dremel wire wheel. Spray it down with gasket remover, then a medium-sized fine wire brush on a drill will make quick work of the gasket mating surfaces.
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