Fan removal - Chevy and GMC Duramax Diesel Forum
Kodiak & Topkick Forum Discussion of Medium Duty

 
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post #1 of 4 (permalink) Old 01-26-2020, 03:11 PM Thread Starter
 
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Fan removal

2 minutes ago· #1


I'm changing the water pump on my 2006 Jayco Seneca Zx that sits on the Chevrolet Kodiak c5500 chassis and is powered by the Duramax 6.6 lly.
I'm trying to get the fan clutch off with the large nut, but I'm having trouble getting the flywheel to lock, so I can get the nut off . There's no place in or behind the pulley to fit anything into, so I took the starter out and thought I could jam something in there. Unfortunately the flywheel isn't turning when I turn the big nut, so of course it isn't coming loose. Any suggestions?
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post #2 of 4 (permalink) Old 01-26-2020, 04:58 PM
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https://www.duramaxforum.com/forum/0...y-removal.html

And there are a bunch more threads if you search

2015.5 Chevrolet Silverado LTZ, Z71, SRW.
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post #3 of 4 (permalink) Old 01-26-2020, 11:26 PM
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Duplicate post; covered in your "Flywheel lock" thread. But the link above is very informative, too.

2004.5 Silverado 3500 SRW 4x4, D/A (LLY), Ext. Cab, Long Bed
engineer837 aux rad, TxC CAI, LBZ MP, Scangauge II, Nicktane aux filter head, KD lift pump, 2008 PS pump, 2011 hydroboost, Frederico Swaybars, Rancho 9000XL, Torklift StableLoads, BFG AT/KO2, Lance 835 Camper often in the bed.
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post #4 of 4 (permalink) Old 01-27-2020, 08:13 AM
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Quote:
Originally Posted by Roger Harris View Post
2 minutes ago· #1


I'm changing the water pump on my 2006 Jayco Seneca Zx that sits on the Chevrolet Kodiak c5500 chassis and is powered by the Duramax 6.6 lly.
I'm trying to get the fan clutch off with the large nut, but I'm having trouble getting the flywheel to lock, so I can get the nut off . There's no place in or behind the pulley to fit anything into, so I took the starter out and thought I could jam something in there. Unfortunately the flywheel isn't turning when I turn the big nut, so of course it isn't coming loose. Any suggestions?
I didn't have the tool or time to get one so I used a chisel on a corner of the nut, came right off. Ugly but effective.
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