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  #1  
Old 01-20-2010, 10:46 AM
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Timing Chain 300 SD

Do I need the special tool to peen the timing chain link or can I do it with a hammer and some backup.It seems the tool cost around $200
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  #2  
Old 01-20-2010, 12:08 PM
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Quote:
Originally Posted by yuke View Post
Do I need the special tool to peen the timing chain link or can I do it with a hammer and some backup.It seems the tool cost around $200
Check out our tool rental program.
http://www.peachparts.com/shopforum/tool-rental-program/


A few claim to have done it without the tool. However, if the new chain comes apart you can loose your whole Engne.
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  #3  
Old 01-20-2010, 02:40 PM
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You are way better off using the proper tool.
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  #4  
Old 01-20-2010, 02:55 PM
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I'd rather take a 2nd mortgage and let a Old Benz Mechanic do it.
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  #5  
Old 01-20-2010, 02:56 PM
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It is nice to have the proper tool..

but with some blacksmithing/sheetmetal research concerning rivets and all the info in our archives you can also do it perfectly with the proper simple ball peen hammer and backup anvil type device. Go Slow , there is no rush. Be sure the pressure is being applied only to the pin when you start peening the edge of the pin...

Getting it into position has been a problem for some people due to close tolerances...which on the other hand... once there... is a good thing...with the fact that a double roller chain has no side pressure to speak of... once you do mushroom that pin any the chances of it coming out are incredibly small...
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  #6  
Old 01-20-2010, 05:19 PM
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No one has ask the obvious question as to why the Timing Chain needs Changing.

yuke; what is your Timing Chain Stretch and what method did you use to get it?
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  #7  
Old 01-20-2010, 05:35 PM
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More thoughts:
I think that before I would take a chance on Ball Peening the Timng Chain Rivets I would have to know that there was not much life left in the Engine to begin with. So, that I could justify taking the chance.

But, if I bought a new Iwis Chain and a new Chain Rail Tensioner and the Enigne had good compression I think I would be looking to rent a tool to protect my investmet in time and money.
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Old 01-20-2010, 08:28 PM
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I have the correct tool, with both crimping teeth. It is available for rent I believe in that list.

Need a deposit of the full value of the tool at current prices (around $250) and you pay shipping both ways with full insurance in order to rent. Terms are not open to negotiation.
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Old 01-21-2010, 08:46 AM
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Originally Posted by Diesel911 View Post
No one has ask the obvious question as to why the Timing Chain needs Changing.

yuke; what is your Timing Chain Stretch and what method did you use to get it?
I did not measure it yet but was told by a benz mechanic who last year adjusted my valves that my tensioner looked like it was about at the end of it's travel not sure if he was just trying to drum up some buisness or not but the motor does probably have at least 225,000 on it but i do'nt know the history on it.I do know that the car will not go over 85 mph and I do think an 85 300 SD should do what the speedometer or close to it which goes up to 120.I'm thinking the chain and maybe some injection timing would put some new life in the old girl.
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  #10  
Old 01-21-2010, 08:48 AM
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Originally Posted by Hit Man X View Post
I have the correct tool, with both crimping teeth. It is available for rent I believe in that list.

Need a deposit of the full value of the tool at current prices (around $250) and you pay shipping both ways with full insurance in order to rent. Terms are not open to negotiation.
Thanks Hit man I'll check out the rental prices.
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  #11  
Old 01-21-2010, 08:53 AM
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Originally Posted by Diesel911 View Post
Check out our tool rental program.
http://www.peachparts.com/shopforum/forumdisplay.php?f=93


A few claim to have done it without the tool. However, if the new chain comes apart you can loose your whole Engne.
Diesel 911 or any one else do they sell chains with a snap on master link?I was surprised to see that these chains do not have a master link that do not have a clip to join it together
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  #12  
Old 01-21-2010, 09:06 AM
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Originally Posted by yuke View Post
Thanks Hit man I'll check out the rental prices.
Checked the rental price seems I can rent the tool for $20+ shipping will probably go that route.
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  #13  
Old 01-21-2010, 09:07 AM
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Quote:
Originally Posted by yuke View Post
I did not measure it yet but was told by a benz mechanic who last year adjusted my valves that my tensioner looked like it was about at the end of it's travel not sure if he was just trying to drum up some buisness or not but the motor does probably have at least 225,000 on it but i do'nt know the history on it.I do know that the car will not go over 85 mph and I do think an 85 300 SD should do what the speedometer or close to it which goes up to 120.I'm thinking the chain and maybe some injection timing would put some new life in the old girl.
So, you have no history, and you don't know the elongation of the existing chain, and you conclude that the lack of speed is due to the chain??

If it were me, I'd determine the IP and camshaft timing before I spent any money on a chain that won't affect the performance of the vehicle one iota.

BTW, you've got 123hp rated at the engine..........much less at the drive wheels. It's a pipe dream to believe that a 3500 lb. vehicle with relatively poor aerodynamics is going to achieve 120 mph with this horsepower level. If it achieves 100 mph, you're doing well.
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  #14  
Old 01-21-2010, 09:20 AM
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Originally Posted by Brian Carlton View Post
So, you have no history, and you don't know the elongation of the existing chain, and you conclude that the lack of speed is due to the chain??

If it were me, I'd determine the IP and camshaft timing before I spent any money on a chain that won't affect the performance of the vehicle one iota.

BTW, you've got 123hp rated at the engine..........much less at the drive wheels. It's a pipe dream to believe that a 3500 lb. vehicle with relatively poor aerodynamics is going to achieve 120 mph with this horsepower level. If it achieves 100 mph, you're doing well.
Thank you for the info Brian so what you are saying is that I should measure the elongation first before anything.What tools would I need to check IP + camshaft timing if these 2 areas would help me possibly more then a new chain.I do think I saw a write up on how to check the IP timing by unhooking an injector line and watching at what point it fuel starts coming out.I will give it more thought about putting a new chain on do'nt like to do things if I do'nt need to.
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  #15  
Old 01-21-2010, 10:03 AM
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Quote:
Originally Posted by yuke View Post
.What tools would I need to check IP + camshaft timing if these 2 areas would help me possibly more then a new chain.I do think I saw a write up on how to check the IP timing by unhooking an injector line and watching at what point it fuel starts coming out.I will give it more thought about putting a new chain on do'nt like to do things if I do'nt need to.
Timing Chain Measurement here-
http://www.peachparts.com/Wikka/OM617TimingChainStretch

IP Timing here-
http://www.peachparts.com/Wikka/OM615OM616InjPumpTiming
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