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#1
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Serpentine belt: What tool can be used instead of fan locking tool?
I'm trying to change my serpentine belt. The repair manual calls for some special tool that gets inserted behind the fan pulley. What tool or device that I might have around the house, can I use in place of the "special tool"?
Thanks, Jeff 1991 300d |
#2
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Jeff, I got your PM and posted some info on the "special" tool over here:
R&R of Viscous Coupled Fan, Serpentine Belt Replacement W210 E300D Do you have anybody neaby that could counter-hold the water pump pulley while you remove the bolt? Heavy gloves would help to grip the pulley while you apply torque. Would a large common nail work? Might be worth a try. |
#3
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Tool
Thanks for the info. I tried an allen wrench, but it just goes in and doesn't seem to "lock in", or do anything. Is the tool supposed to have a feel that it's locked into place or something?
Thanks, Jeff 1991 300d |
#4
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just losen the belt. stick it through a pipe.
this will clamp down on the pulley tight enough to loosen the bolt. kinda like the belt gripper that sears was always advertising. george |
#5
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Jeff, the locking tool just jams against the ridge on the water pump housing...not terribly elegant but it works.
__________________
1998 W210 diesel (wiped out by a texter) Baum spring compressor "for rent" |
#6
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The Sears belt wrench is also a Harbor Freight belt wrench - very inexpensive and works very well, for this a number of other jobs.
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#7
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Diesels can't use a special tool
After trying a long time, I finally found out the diesels do NOT have a hole on the back of the pulley that goes the whole way through. I had to take it to a mechanic (good thing I did, I would have never figured all that stuff out, and how much torque was required to get that fan bolt off; the whole engine moved when he cranked on that bolt, I would have thought I was going to break something). He used super large channel locks on it to hold the pulley while he cranked on the fan bolt.
1991 300d, 90k |
#8
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my appologies as i just remembered that there is a tool
that is two flats curved to fit the pulley. but the belt trick or sears tool works. i do not like channel locks for this as they damage the soft pulley and if this is not checked it will damage the belt. george |
#9
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I used a very large pair of channel locks for mine as well, but I wrapped a piece of rubber around the pulley first. The teeth on the channel locks would surely damage the pulley if there wasn't something put between them. I also didn't want to squeeze very tightly otherwise I thought I might deform the overall shape of the pulley as well.
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#10
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If you have an old serpentine belt, cut a piece long enough to go around the pulley plus a couple of inches to clamp with vice grips. Works really good.
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#11
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I made my own
One time I bent a 10-d (10-penny) nail and used that. The latest time I needed to use this tool, I was changing the water pump on my 89 W124.
I ended up going to a hardware store, buying a 36-inch long piece of steel stock (round), cutting it off with a Dremel tool and then bending it so that it fit the groove and went into the hole in the pulley. I spent too much time messing around trying to "make something work". Then I ponied up the $4 for the steel rod and in a matter of minutes, had it done.
__________________
Jay Yambrovich Scotts Valley, CA. 1993 300 CE Cabriolet (A124) 131K miles 1997 C-280 133K miles 2000 BMW R1100RT 69K miles 1989 300 E 216K miles (sold) |
#12
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Holding fan pully
Jeff - I know of some people who have taken an old small screwdriver (phillips) and simply bent the tip at a 45 degree angle with a vice - as for me, I went to the hardware store, got a small section of 1/8" or smaller metal rod, cut off all but 8 inches and bent the end at about 45 degrees with about 3/4 inch.
If your 300D has a fan clutch like my 300E I finally learned that the dealers have a nice small hex socket that is a lot easier to fit into the bolt of the fan assembly - think that is 8mm? Anyway giving you more information than you need... Bill |
#13
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Install an electric fan.
__________________
Regards Warren Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL ENTER > = (HP RPN) Not part of the in-crowd since 1952. |
#14
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I use an old piece of bicycle tire (cut away from the wire bead) wrap it around the pulley, and hold it with a locking chain wrench I got from Harbor Freight ( http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=36813 ) - then the fan/fanclutch bolt comes off with breaker bar.
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327K on 1986 W201, 602.911, 722.414 2.5 190D ("The Red Baron") 139K on 1993 W124, 104.942, 722.433 2.8 300E ("Queen") http://farm5.static.flickr.com/4081/...0bb92d3c_m.jpg http://i370.photobucket.com/albums/o...g?t=1325284354 Do not worry about your difficulties in Mathematics. I can assure you mine are still greater. - Albert Einstein take a walk down memory lane... |
#15
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I replaced the belt on my M103 without taking off the fan....its an art form. I just loosen and re-tighten the tensioner, that's it. There's a big enough gap between the fan and pulley to get the belt in and out.
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
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