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07-18-2008, 03:05 PM | #1 | |
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how to get my fan clutch off!!
Will someone tell me the secret in how to take the fan clutch off without the belt moving so i can change my water pump!! I rented the big wrench for it,but pulley still moves..i even tried useing a 3lb hammer to hit the wrench but it still moved...only if i knew what to do to stop pulleys from moving when i turn the big nut!! someone help!!!
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07-18-2008, 03:30 PM | #2 | |
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Re: how to get my fan clutch off!!
see if you can rent a strap wrench, remove the belt and put strap wrench in its place
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07-18-2008, 06:45 PM | #3 | |
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Re: how to get my fan clutch off!!
If I remember correctly, the big fan nut is a left hand thread.
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07-18-2008, 07:22 PM | #4 | |
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Re: how to get my fan clutch off!!
There is a special wrench to use and I hate it.I hate it because it is too thin and breaks real easy.I use an air hammer with a long bit sharpened to a chiseled edge in the end of the flats of the nut.
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07-19-2008, 08:49 AM | #5 | |
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Re: how to get my fan clutch off!!
10-4 on the air chisel.
Just do not over do it. MT
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Remember proper testing gives us the answer to many problems. MT |
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07-24-2008, 09:26 PM | #6 | |
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Re: how to get my fan clutch off!!
I just did this three weeks ago, on my 1994 Suburban, 5.7 liter engine, if that's similar. Leave serpentine belt on, use 1/2 inch or 13mm box wrench to remove the four nuts holding the fan clutch to the water pump, all right-hand (standard) thread (if the whole fan clutch rotates, push down hard on the belt while doing this); the fan stays attached to it. Remove the serpentine belt, make note, see diagrams, take digital photo so you can re-orient it correctly. Loosen and detach the upper radiator hose at the radiator to allow clearance. Ease out the fan and fan clutch as a unit, tilt, whatever. Use a socket (14mm, I believe) and an extension to remove the four water pump bolts, again all right hand thread. Jiggle and pull forward to get the water pump off. I bought lifetime water pump at CarQuest for about $47, and it came with the two small gaskets. I used a torque wrench (30 ft-lbs) to tighten the four water pump bolts. Coolant will leak out if you don't drain it in advance, and just replace with new coolant if it's been used two years. Anti-freeze is toxic to animals who might drink it.
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07-25-2008, 05:17 PM | #7 | |
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Re: how to get my fan clutch off!!
Just went through the same thing a few weeks ago.
I had the special tool that bolts to the pulley and still could not get that fan clutch off. I finally ended up cutting the thing off with a sawzall. I unbolted the fan blade and moved it towards the back before sawing the thing off. I was able to reuse the fan blade but the clutch was toast. Interesting, after I removed the water pump I clamped the whole thing in a vise. Using a big socket along with an impact wrench, I tried to get that big nut off with no luck. Only after heating the nut with a propane torch, and then using an impact gun, would the nut come off. What a pain in the butt!!!!! |
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07-25-2008, 09:08 PM | #8 | ||
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Re: how to get my fan clutch off!!
Quote:
this appears to be another area that locktight was used , my transmission drain pan had the lock tight on it ,,,had to get that drain plug glowing red before its grip was broken....pan was off tranny of coarse.. |
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08-04-2008, 05:51 PM | #9 | |
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Re: how to get my fan clutch off!!
Shodid...I apreciate everyones help but I got it off with my air chisel...put is on the nut...first thing I thought...here goes my nuckles!!! but I put a lil pressure on the tool and zip it went...just that easy...dont waste ur time renting a tool it dont work!!!(autozone) Sorry for takeing so long for replying!
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