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Anonymous Poster
docsblueprint@qwestoffice .net
Jun 16, 2009, 2:35 AM
Post #1 of 8
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1999 S-10 Fan Clutch
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I have a 1999 chevy S-10 with the 4300 V-6 Vortec motor. I'm trying to replace the waterpump. The problem is takeng the fan clutch off , do you have to unscrew the fan clutch from the waterpump before you take the four bolts out. Also which way would you turn it ?
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Loren Champlain Sr
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/ Moderator
Jun 16, 2009, 1:43 PM
Post #2 of 8
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Re: 1999 S-10 Fan Clutch
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Yes, you must remove the fan clutch, first. Leave the serpentine belt in place. Using the correct wrench for the large nut, smack the end of the wrench very hard and quick (counter clockwise). There is a tool that is used to hold the pulley while you loosen the nut and is available at most parts stores.  The large one fits around the bolts that hold the fan clutch to the pulley while the smaller one fits the large nut on the clutch, itself.  Price: $25.00
Warranty:
3 MO
Loren
SW Washington
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Guest
Anonymous Poster
docsblueprint@qwestoffice.net
Jun 17, 2009, 2:23 AM
Post #3 of 8
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Re: 1999 S-10 Fan Clutch
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Loren, Thanks for the information, they kinda leave some of the how do's out of the books. I've been trying to hammer that thing off for two days, and I can't get it to even budge. thanks again
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Loren Champlain Sr
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Jun 17, 2009, 12:21 PM
Post #4 of 8
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Re: 1999 S-10 Fan Clutch
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Yes, you are right. They will tell you to remove this, or that. Just won't tell you how to remove this or that.
Loren
SW Washington
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Sidom
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/ Moderator
Jun 17, 2009, 4:37 PM
Post #5 of 8
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Re: 1999 S-10 Fan Clutch
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When you go to put it back together, before you put the belt on. If you hold the fan clutch on the pulley & spin the pulley backwards to start the threads instead of spinning the clutch assembly forwards, it makes it easier to start the threads....
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Guest
Anonymous Poster
docsblueprint@qwestoffice.nt
Jun 18, 2009, 4:31 AM
Post #6 of 8
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Re: 1999 S-10 Fan Clutch
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Thanks Guys, Thats alot of good information, It has made this job alot easier. Now on to the next job (same S-10 ), It looks like the intake manifold is leaking next to the head on the drivers side. Is there anything else you guys can let me in on before I start would be great! Thanks again.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 18, 2009, 7:39 AM
Post #7 of 8
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Re: 1999 S-10 Fan Clutch
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Mark the exact position of the distributor and rotor very carefully and don't let the engine move while it's out. It requires a tech2 scan tool to adjust that if you get it in wrong and you will have a constant check engine light.
It's not the timing that changes, it's the injector synch that changes.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 19, 2009, 12:43 PM
Post #8 of 8
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Re: 1999 S-10 Fan Clutch
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Back to fan clutch for a moment: May take a different tool with an air hammer - they are a PITA sometimes,
T
PS: Nice pic of Vette Hammer Time!
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