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#1
08-26-2004, 12:26 AM
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Crank Pulley Removal?
OK, The crank kpulley is loose on the 300D my brother has. As in if you put pressure on the belt it will stop the belts as the engine keeps running. This creates a problem removing the crank pulley because there is no way to bind the crank to get the pulley bolt loose.
My thought was to pull an injector and put an object in there (hopefully removable) that would stop the piston once it reached TDC. Anyone have any better options? Of course I would rather not have to pull the tranny to get to the flywheel! Thanks, Stephen
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85 300D 305K miles WVO(105K so far), Mine 82 300SD 235K miles BIO-D, Wifes 96 F250 SC PSD 4X4 285K MILES BIO-D, Ours 89 BRONCO 182K MILES sold Finally Compression Ignition Only! 
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#2
08-26-2004, 01:56 AM
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I had a crank pulley problem with my 84 300SD. I replaced the pulley twice and the second time put 4 dowels pins to keep the pulley on. After that I no more problems for 50K until I hit a deer at 65. I think you have the same problem...no bolt in the crank pulley and it's just spining on the crank. My crank was a little messed up so that's I put extra dowels in.
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1983 300SD 343K everyday car 1983 300SD 285K from junk yard-tooks parts from deer car- runs great. Brothers car. 1984 300SD parts car-Hit deer 1979 300D 175K non-turbo "Doctor" 1979 300d parts car
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#3
08-26-2004, 02:35 AM
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You can put a large screw driver up through one of the two hole in the front bottom of bellhousing catching a tooth on the flywheel to lock the engine
while another person looswens the crank bolt. Don't put anything into an injector hole!!! William Rogers.............
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#4
08-26-2004, 06:55 AM
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Inserting a rope through the spark plug hole on a small engine is a good way to hold the piston.... or some machines specify taking the head off and placing a piece of wood in the bore to do the same thing...( like Gravely)...
However, that does not work on our cars due to the precombustion chamber being in the way... and much easier methods being available than taking the Precombustion chambers out....... as have been mentioned...
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#5
08-26-2004, 07:23 AM
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If you are trying to remove the Crankshaft bolt,
just take a 27mm socket, attach it to a long handled ratchet wrench , or one with a piece of pipe on it to make it longer, set the wrench in the direction to lossen the bolt.
Brace the handle of the ratchet wrench against something strong in the compartment, like the frame rail. Then spin the motor with the engine starter and the bolt will loosen easily. I thought everyone in the world knew this trick. Am I misinterpreting something? Also wrap the handle of the wrench in a Thick Towel, so when it kicks back after the impact it doesnt hurt anything or scratch paint.
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