What sized drill bit to use?

[RiceKiller_TSi]

What is the size of the drill bit you can use to make sure your timing tensioner is correctly adjusted? Is it 3/16?

 

[luv2rallye]

What is the size of the drill bit you can use to make sure your timing tensioner is correctly adjusted? Is it 3/16?

5/32" to 11/64".

Sometimes measuring the distance between the tensioner arm and auto tensioner body (usually with a drill bit) is hard to see or do. Example: Can't get in there or see if drill bit is truly parallel to the tensioner top which affects measurement or you can’t get a 2.6 ft-lbs torque wrench on the tensioner pulley special tool #MLR-MD-998767. You can replace all that complicated tensioning torque stuff (which you can rarely get right with the engine in the car anyway - no room) with the following alternative. Just adjust the tensioner pulley so that the auto tensioner holding pin (eg. 1/16” allen wrench) moves freely all the way through the auto tensioner body and pin holes (after you turn the crankshaft and wait for the belt to stretch and auto tensioner to settle). Adjust the tensioner pulley to do this and it will automatically make the distance between the tensioner arm and auto tensioner body (drill bit measurement) be about .157 in. (spec is .150 - .177 in.). I've done over a dozen dsm TB's this way every one done correctly.

 

[RiceKiller_TSi]

Thats exactly what I was looking for and them some!
Thanks a lot!