Torque Specs 2008

RobMN

New member
G'day All,

Checking if someone can advise the torque specs for a 2008 Mercedes Benz Sprinter WDF9066352A989397
315 906 LWB Panvn, 2100cc turbo diesel Main bearings and Big Ends please.

Thankyou.

Regards.

Rob
 
Hi Rob is your motor a 646.986? If it is I can help with the torque specs as I did mine not that long ago.
Mains are 50nm then 95 degrees
Big ends are 5nm / 25nm / 90 degrees.
I also used new bolts for all of these.
Tim
 

RobMN

New member
Tim,
Thankyou, I'll confirm the motor. Also with the big ends is that a 3 stage process with the 90 degree last stage.
Your assistance really appreciated. thankyou. Regards.
Rob
 
That's right. That is a 3 stage for the big ends. These specs are right for all OM646 variants. It does also recommend new bolts for both of them each time they are removed. They give a maximum length for the bolts but it's cheap insurance to change them (or not so cheap if you go genuine). I have a set of standard big end and main bearings too if you haven't got them yet. I initially got standard size but ended up doing a crank grind in the course of my build.
 

RobMN

New member
Tim Thankyou for all your info, have the bearings, going with the standards, will let you know how I go. Really appreciate your input. Regards Rob
 

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