M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

timing chain replacement

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Old Aug 23, 2005 | 05:55 PM
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timing chain replacement

Hey guys, I was wondering if anyone knows what the recommended interval is for changing the timing chain for an ML320. Also, does it make sense to do the waterpump/timing chain at the same time on this motor? I know with some other cars, once one is being done, it would be very very easy and cheap to have the other done. Thanks for your help.
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Old Aug 23, 2005 | 06:38 PM
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There is no recommended interval for changing a timing chain. These motors have been out since modle year 98 and I have yet to see one break. It isnt like the Japanease vehicles that have a timing belt
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Old Aug 23, 2005 | 06:56 PM
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Most likely due when the engine is overhauled or rebuilt.
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Old Nov 22, 2013 | 07:51 PM
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Mercedes Benz ML 320
Hey I was wondering if any of you has the Timing belt Diagram for the ML 320?
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Old Nov 23, 2013 | 02:22 AM
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Originally Posted by Ajay250496
Hey I was wondering if any of you has the Timing belt Diagram for the ML 320?

There is no timing belt, it is a chain and believe me you do not want to do it.
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Old Nov 24, 2013 | 06:37 PM
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Mercedes Benz ML 320
Originally Posted by Maj. Dundee
There is no timing belt, it is a chain and believe me you do not want to do it.
Yes thats what i meant lol and iits not me its a friend who is a mechanic and he is having problems with this. So i am looking for a diagram of the chain placement if possible. Please let me know where i can get this or post it if you have it available.
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Old Nov 25, 2013 | 08:36 AM
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Originally Posted by Ajay250496
Yes thats what i meant lol and iits not me its a friend who is a mechanic and he is having problems with this. So i am looking for a diagram of the chain placement if possible. Please let me know where i can get this or post it if you have it available.
Here are the instructions. Special holding tools are required.

Whenever they say "crank the engine" they are not referring to cranking the engine by using the key. They mean so by turning the crankshaft bolt manually.

If this is not done properly and you go to start your engine, all the valves and cam gears will be destroyed.
Attached Files
File Type: pdf
R&I Timing Chain.pdf (218.8 KB, 1759 views)
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Old Nov 25, 2013 | 09:14 AM
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Mercedes Benz ML 320
Originally Posted by Maj. Dundee
Here are the instructions. Special holding tools are required.

Whenever they say "crank the engine" they are not referring to cranking the engine by using the key. They mean so by turning the crankshaft bolt manually.

If this is not done properly and you go to start your engine, all the valves and cam gears will be destroyed.

Thank you i will try this and let you know how it goes. Wish me luck
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Old Nov 25, 2013 | 09:23 AM
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Originally Posted by Ajay250496
Thank you i will try this and let you know how it goes. Wish me luck
You don't say why you want to change the timing chain but you must know what you are doing with this, because your engine is at risk.

I can't wish you luck because I don't think you have the know-how to do it, very few do.
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Old Nov 26, 2013 | 06:33 PM
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Mercedes Benz ML 320
Originally Posted by Maj. Dundee
You don't say why you want to change the timing chain but you must know what you are doing with this, because your engine is at risk.

I can't wish you luck because I don't think you have the know-how to do it, very few do.
The person that is doing this is a very skilled mechanic and i am sure he can get it done he informed me today that all he wanted was a diagram so that he can see the indicators .
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