300tdi crank bolt removal method... - Defender Source
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  #1  
Old November 14th, 2011, 06:20 PM
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300tdi crank bolt removal method...

Trying to remove a stubborn crank bolt on a 300tdi to do a timing belt. Any tricks here?
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  #2  
Old November 14th, 2011, 06:54 PM
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GOOD half inch impact
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  #3  
Old November 14th, 2011, 06:55 PM
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Rattle gun? Always worked for me, although I've never tried it on a 300.
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Old November 14th, 2011, 07:42 PM
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The gun will not fit between the engine and front x member
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Old November 14th, 2011, 07:54 PM
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Did you loosen the mounts and lift the engine?
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Old November 14th, 2011, 07:57 PM
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Quote:
Originally Posted by TDI Guy View Post
The gun will not fit between the engine and front x member
did mine with engine out of the truck. what happened that you are changing that belt again already ?

Breaker bar with socket- put breaker bar against frame rail and bump the starter
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Old November 14th, 2011, 08:11 PM
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make a bar that will bolt where the pulley 4 bolts goes and use a long pry bar. Always worked out on every engine I did. the bar need to sit on the frame so you can apply pressure to the bolt without having the engine turning


It's almost like the LR special tool
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Old November 15th, 2011, 06:30 AM
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Quote:
Originally Posted by 130Tdi View Post
did mine with engine out of the truck. what happened that you are changing that belt again already ?

Breaker bar with socket- put breaker bar against frame rail and bump the starter

Just changing a belt on a different truck I am working on...

I know they make a tool to hold the pulley. I have to make a tool
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Old November 15th, 2011, 09:13 AM
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Quote:
Originally Posted by TDI Guy View Post
Just changing a belt on a different truck I am working on...

I know they make a tool to hold the pulley. I have to make a tool
I have one I can send you if you want. I'm not going to use it any time soon.
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  #10  
Old November 15th, 2011, 09:16 AM
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What way does it need to come out?

You can put a socket on a 1/2in breaker bar and lay the bar on the frame rail then hit the starter...I did this a few times before i had airtools on my fj55
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Old November 15th, 2011, 09:14 PM
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I had the same problem, took the motor out of the truck on one and had a heck of a time with a heavy duty impact breaking it loose. The other time the engine was still in the truck and I had the same clearance issue you are having. As Doug and Matthew mentioned, breaker bar and bump the starter. it is scary but works.
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Old November 16th, 2011, 12:42 AM
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I use a strap wrench on the pulley (you can even use a leather belt and an extension bar on a ratchet), a correct size socket on the bolt (preferably a 1/2 or 3/4 inch drive) on a breaker bar. I smack the breaker bar with a 2lb. hammer. To make sure it's moving, I put an alignment spot of paint on the bolt & the pulley. These paint "spots" also help insure that it's re-tightened to about the same degree as before removal of the bolt & pulley.
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Old November 16th, 2011, 04:42 AM
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Just be careful with the starter motor method.... i did this once, the breaker bar flew off and hit a brake pipe and broke it!

If you go down this route, it might pay to get a second person to "hold" the breaker bar in place with a broom handle (or similar...keep fingers away!) to keep it in place.
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Old November 16th, 2011, 06:26 AM
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Question

Do not use the starter motor to undo the bolt! I repeat, do not use the starter motor... Use the home made tool to stop the engine from turning while undoing the crankshaft bolt. My msg might have been confusing and I apologize for that. The home made tool bolt where the crankshaft pulley is bolted. Take off the pulley and use the four bolt to fasten the tool then, use a big ratchet to undo the bolt. That way the engine will be lock in possition and you can apply pressure without rotating the engine.

You can always use the starter motor at your own risk. It's something I done in the past when you tried everything else. But be carefull as the starter motor is extremely powerful.
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Old November 16th, 2011, 09:13 AM
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I used to do the breaker bar and bump the starter trick but it would not work on the Tdi's I have tried it on. Ended up buying the proper tool. More importantly the tool helps you get the massive torque called for to re-install the crank bolt. Tip, the big blue lug wrenches available from LR will fit the 300tdi crankshaft bolt.

other tip, there is a crankshaft holding tool on ebay UK right now...
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Old November 16th, 2011, 10:24 AM
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Randy,
Got your pm. Shoot me your address and I'll get the tool on its way.
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Old November 16th, 2011, 11:56 AM
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Randy:

I recently purchased the kit from RN:
http://www.roversnorth.com/store/p-1...00-300tdi.aspx

I'd be happy to send it to you for use, I *think* it performs the same function as the pulley tool (and also has the timing pins/etc)...let me know.
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Old November 16th, 2011, 12:52 PM
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Jason that does NOT lock the crank pulley. Don't try to use the timing pins to lock the engine, you will break things.
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Old November 16th, 2011, 01:04 PM
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Are you sure? I was under the impression that the "Heavy Duty Puller for removing the Crankshaft Pulley Damper assembly" was used to remove the crank pulley. It's the same kit as sold through Difflock in UK:
http://www.difflock.com/buyersguide/...it/index.shtml

It also claims on Difflock to "replace the Crankshaft Pulley Damper LRT-12-049"....which is the puller referenced above.

I know not to use the timing pins to lock the engine, I was just saying they are also in there in case he needed/wanted to use them.
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Old November 16th, 2011, 05:55 PM
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Jason we are talking about an 18 inch long big hunk of steel. What you have is the puller for the crank pulley as well as the rear flywheel lock for changing the belt.
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