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  #1  
Old 10-15-2006, 05:49 PM
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560sel new timing chain stuck

putting in a new timming chain the pindelski way chain got crimped on the rail and jumped, now you can't turn the moptor at the crank. what happen? how do you fix it?
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  #2  
Old 10-15-2006, 07:17 PM
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Your valves have run into the pistons. Turn the crank backwards and sync the crank and cam back, and continue to roll it in.
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  #3  
Old 10-15-2006, 08:22 PM
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thanks tomguy know how do you do that? as i said before i don't know much on these things i was lucky to marry into a mechanic family but mercedes have them stumped. but i appreciate your help.
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  #4  
Old 10-15-2006, 08:33 PM
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thanks tomguy now how do yo re-insync them? i don't know much at all my inlaws know alot but not on mercedes
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  #5  
Old 10-16-2006, 12:57 AM
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I had this happen, luckily I caught it early. I turned the crank slightly in the other direction then carefully "milked" the chain back over the driver's side cam then the passenger side cam. I may have also had to roll the passenger side cam back one tooth, but can't recall for sure as it has been a few years now.

Both ends of the chain have to stay in contact with the passenger side cam, especially when working solo. Tom Pindelski likes to use vise grips, I prefer zip ties. I started using zip ties after having the chain jump on me.
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  #6  
Old 10-16-2006, 09:37 AM
david s poole
 
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560sel chain

this is a complicated[read need to take care] job when done in a shop.there is a now very common tool that is used to remove the rocker arms.unless you know exactly what jumped and by how much i suggest that you remove the rocker arms[some will not move until you roll engine around a little]until they are all out[i'm assuming that you already removed the spark plugs] now you can roll in the chain and then set it up on tdc and find the jump and correct it.unless you have done this job with someone else first i don't think it's a diy.
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  #7  
Old 10-16-2006, 12:22 PM
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Quote:
Originally Posted by david s poole View Post
this is a complicated[read need to take care] job when done in a shop.there is a now very common tool that is used to remove the rocker arms.unless you know exactly what jumped and by how much i suggest that you remove the rocker arms[some will not move until you roll engine around a little]until they are all out[i'm assuming that you already removed the spark plugs] now you can roll in the chain and then set it up on tdc and find the jump and correct it.unless you have done this job with someone else first i don't think it's a diy.
I agree 100% with this, I think leaving the RH (passenger) rockers in at all during this procedure is risky, and getting them out now is also going to be tricky.

I used a "cap" that bolts over the chain so I can't slip up. One good thing about having the right (and I know they cost $$$) tools is that they not only make the job faster, but safer, IMO.
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