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  #1  
Old September 12th, 2016, 07:08 PM
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Brian
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200Tdi Pulleys

I'm starting to research the pulleys on the front on the defender 200tdi, but thought I'd ask here as well.

So yeah, I'm still learning the basics of this motor. Replaced the panhard rod tonight with my daughter as acting supervisor. When finished, looked up from the bottom and saw that the pulleys and belts appear to be all kinds of misaligned.

Should these generally be in line with one another?

And what exactly am I looking at?





The smallest one on the front seems the worst and will struggle to spin when turning the steering wheel with the truck running. Power steering related??

Thanks for the help.




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  #2  
Old September 12th, 2016, 07:13 PM
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Defender 200. Inner is for water pump and alternator. Middle is for A/C. Outer for power steering pump.
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Old September 12th, 2016, 07:17 PM
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From below.
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  #4  
Old September 12th, 2016, 07:22 PM
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Hard to see from your photos what is going on. Almost looks like the pulley are not as close to the engine at they should be. Is the crank nut tight? And looks like the wrong PS pump?
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Old September 12th, 2016, 07:32 PM
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Quote:
Originally Posted by Red90 View Post
Hard to see from your photos what is going on. Almost looks like the pulley are not as close to the engine at they should be. Is the crank nut tight? And looks like the wrong PS pump?
Thanks John - exactly what I thought, and what it looks like to me, that the pulleys are not as close to the engine as they should be. I checked the crank nut, and spun it loose by hand Hand tightened it back down for now. How do I get the pulleys closer to the engine?

The PS pump is the one that came with the truck, but it is an 86, so maybe a PO somewhere in its lifetime added that at some point...
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Old September 12th, 2016, 07:38 PM
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How many miles have you driven with that belt?

You should buy some Lottery tickets!

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Old September 12th, 2016, 07:41 PM
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Tighten that bolt to suck it in. Hopefully it has not backed out too far to come off of the splines. If it has, you will need to remove the pulley and see if can be lined up and that nothing is damaged.

You are super lucky the timing belt did not destruct. After sucked in, remove bolt, add locktite and tighten to as much as physically possible.

Once in place, you can see if the pump aligns or not.
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Old September 12th, 2016, 07:46 PM
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I went out and measured mine. The dampener is 5/8" from the timing cover.
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Old September 12th, 2016, 07:52 PM
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Holy belt batman. Lucky dog
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  #10  
Old September 12th, 2016, 07:55 PM
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Quote:
Originally Posted by Red90 View Post
I went out and measured mine. The dampener is 5/8" from the timing cover.


So yeah, mine's a little further away than that!




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Old September 12th, 2016, 08:17 PM
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Quote:
Originally Posted by Red90 View Post
Tighten that bolt to suck it in. Hopefully it has not backed out too far to come off of the splines. If it has, you will need to remove the pulley and see if can be lined up and that nothing is damaged. You are super lucky the timing belt did not destruct. After sucked in, remove bolt, add locktite and tighten to as much as physically possible. Once in place, you can see if the pump aligns or not.
Holy smokes - that's not good.

Gave a few good turns, nothing seemed to change yet. Ran out of daylight and family returned from cross country practice, so she'll have to wait.
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Old September 12th, 2016, 08:26 PM
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I put that bolt in with blue locktite and a 400ft lb impact. Did one yesterday. Consider buying a 24 inch breaker bar and place it under the left frame rail and bump your starter to tighten if you don't have access to a strong impact wrench, that bolt needs to be tighter than you can physically do by hand.
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  #13  
Old September 12th, 2016, 08:35 PM
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Quote:
Originally Posted by Uncle Douglas View Post
I put that bolt in with blue locktite and a 400ft lb impact. Did one yesterday. Consider buying a 24 inch breaker bar and place it under the left frame rail and bump your starter to tighten if you don't have access to a strong impact wrench, that bolt needs to be tighter than you can physically do by hand.
Thanks Doug - much appreciated. Don't have a strong impact wrench, but do have a breaker bar.

So, if that bolt is not super tight, it begins to back out and the pulleys slowly move away from the engine?
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Old September 12th, 2016, 08:40 PM
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You need to be careful that it has not backed out far enough to be free of the key. I can't recall off the top of my head how deep the key engages. If it has come off the key you will need to pull it off and align it, assuming nothing is damaged.

I would plan a timing belt job regardless in the near future. The timing belt may have drifted and been damaged.
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Old September 12th, 2016, 08:43 PM
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Quote:
Originally Posted by LostChord View Post
Thanks Doug - much appreciated. Don't have a strong impact wrench, but do have a breaker bar.

So, if that bolt is not super tight, it begins to back out and the pulleys slowly move away from the engine?
There is a woodruff keyway in the crank and pulley . What happens is the pulley gets loose and the back and forth action actually wallow out that keyway and ruin the crank nose. You should go ahead and remove the bolt to insure the threads are ok, I'm sure they are, and slather that mother with blue locktite and run it home. You should actually be able to slide that pulley/hub assembly back in place snug against the seal by hand. The shiny surface on the hub you can see in your pictures is where the outer seal rides on the hub. Smear a tad of grease on that surface before you slide it back together. if you have side to side/ie rotational play, thats bad. Take it apart and find out how bad the damage is.
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Old September 12th, 2016, 08:49 PM
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Quote:
Originally Posted by Uncle Douglas View Post
There is a woodruff keyway in the crank and pulley . What happens is the pulley gets loose and the back and forth action actually wallow out that keyway and ruin the crank nose. You should go ahead and remove the bolt to insure the threads are ok, I'm sure they are, and slather that mother with blue locktite and run it home.
Got it - thanks again Doug. You guys are amazing.

Another quick question: When I gave it a few quick turns tonight before running out of time, the pulleys/belts rotated on a couple of those turns as I tightened the nut. Is this normal?
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Old September 12th, 2016, 08:50 PM
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when I say left frame rail, thats the orientation if standing in front of the truck facing the bulkhead
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Old September 12th, 2016, 08:51 PM
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We have the special tool to hold the crank pulley.
I thought you got one too, UD.

Looks to me like Brian's PS pump doesn't protrude through the plate enough to line up, but the pictures are so bad, it's very hard to tell.
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Old September 12th, 2016, 08:51 PM
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Quote:
Originally Posted by uncle douglas View Post
when i say left frame rail, thats the orientation if standing in front of the truck facing the bulkhead
10-4.
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Old September 12th, 2016, 08:53 PM
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Quote:
Originally Posted by LostChord View Post
Got it - thanks again Doug. You guys are amazing.

Another quick question: When I gave it a few quick turns tonight before running out of time, the pulleys/belts rotated on a couple of those turns as I tightened the nut. Is this normal?
if you felt the engines compression fighting then yes thats fine. If the engine wasnt turning then the keyway may be wasted. Put the truck in lowrange first gear. Apply the parking brake and chock the wheels so the truck cant move. That will stop the engine turning over.
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