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fan clutch alignment
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Supporting Member of Barthmobile.com 6/12
Formally known as "Humbojb"
Picture of Jim and Tere
posted
Just read in the svc manual for gmc light duty trucks about aligning the fan clutch to the water pump. I see the marks on the old one but I'm putting on a different fan clutch Hayden I think. The only thing I was able to "line up" with was the little coil. I put the new clutch on top of the old one made sure the coils were lined up & marked the new one. Then I'm not sure about "lining up" to the water pump.
Is it just saying line up one hole to the other or is there something I can't see or comprehend.
Tere

57.) Fan Clutch Alignment


Jim and TereJim and Tere

1985 Regal
29' Chevy 454 P32
8411 3172 29FP3B
Gear Vendor 6 Speed Tranny
 
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Supporting Member of Barthmobile.com 6/12
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Any one know the answer to this? Locking everything in in the am.


Jim and TereJim and Tere

1985 Regal
29' Chevy 454 P32
8411 3172 29FP3B
Gear Vendor 6 Speed Tranny
 
Posts: 3696 | Location: madisonville tn usa | Member Since: 02-19-2005Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 2/16
Captain Doom
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I'm not sure what the book means; in most installations the clutch is ahead of the fan which is ahead of the pulley. There is no alignment involved.


Rusty


MilSpec AMG 6.5L TD 230HP; built-to-order by Peninsular Engines:  Hi-pop injectors, gear-driven camshaft, non-waste-gated, high-output turbo, 18:1 pistons.  Fuel economy increased by 15-20%, power, WOW!"StaRV II"

'94 28' Breakaway: MilSpec AMG 6.5L TD 230HP

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I've never had to "Time" (or align) a fan clutch before. mechanic


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Posts: 5924 | Location: Newburgh, New York | Member Since: 05-10-2003Reply With QuoteReport This Post
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It is about the V belt running straight along the grooves of the water pump and the fan and air pump and whatever else needs to be "aligned".

my bad

looked at the pdf after posting. The yellow mark does not serve to align the pulley grooves.
 
Posts: 2005 | Location: Jackson, Michigan, USA | Member Since: 04-18-2004Reply With QuoteReport This Post
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Captain Doom
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The pulley should be remounted exactly where it was before: On the water pump shaft flange,


Rusty


MilSpec AMG 6.5L TD 230HP; built-to-order by Peninsular Engines:  Hi-pop injectors, gear-driven camshaft, non-waste-gated, high-output turbo, 18:1 pistons.  Fuel economy increased by 15-20%, power, WOW!"StaRV II"

'94 28' Breakaway: MilSpec AMG 6.5L TD 230HP

Nelson and Chester, not-spoiled Golden Retrievers

Sometimes I think we're alone in the universe, and sometimes I think we're not.
In either case the idea is quite staggering.
- Arthur C. Clarke

It was a woman who drove me to drink, and I've been searching thirty years to find her and thank her - W. C. Fields
 
Posts: 7734 | Location: Brooker, FL, USA | Member Since: 09-08-2005Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 6/12
Formally known as "Humbojb"
Picture of Jim and Tere
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I did not see & wasn't looking for a mark on the new water pump pulley mount. However, I did look @ the old water pump & sure enough there was a mark. I did not see any marks inside the water pump pulley but then again I wasn't looking either. I did however clean out the rust & painted it soooooo, I'm hoping the mark will be on outside of pulley not inside. Wonder why the marks on the fan clutch are there? Guess we'll find out when we put it all back together & drive it for a while.


Jim and TereJim and Tere

1985 Regal
29' Chevy 454 P32
8411 3172 29FP3B
Gear Vendor 6 Speed Tranny
 
Posts: 3696 | Location: madisonville tn usa | Member Since: 02-19-2005Reply With QuoteReport This Post
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