M271 CGI Timming Chain Tensioner Activation
Thread Starter
Newbie
Joined: Sep 2019
Posts: 3
Likes: 0
From: Durban
W203 Mercedes benz c180 kompressor,271 engine 6 speed manual
M271 CGI Timming Chain Tensioner Activation
Hows it guys
Can anyone assist me with the timing chain tensioner activation on a 2011 w204 C200 CGI engine. After checking all timing marks are set and after installing the tensioner must i rotate the engine anticlockwise in order to activate the tensioner? Or is straight forward like the w203 m271 tensioner? If not must i hold the intake gear with the t100 torx socket while rotating the crankshaft anticlockwise to activate the tensioner?
Thanks in advance
Can anyone assist me with the timing chain tensioner activation on a 2011 w204 C200 CGI engine. After checking all timing marks are set and after installing the tensioner must i rotate the engine anticlockwise in order to activate the tensioner? Or is straight forward like the w203 m271 tensioner? If not must i hold the intake gear with the t100 torx socket while rotating the crankshaft anticlockwise to activate the tensioner?
Thanks in advance
Senior Member
Joined: Jun 2016
Posts: 462
Likes: 152
From: Panama City, FL
2020 C300, 2013 C250, 2000 Boxster S
Hows it guys
Can anyone assist me with the timing chain tensioner activation on a 2011 w204 C200 CGI engine. After checking all timing marks are set and after installing the tensioner must i rotate the engine anticlockwise in order to activate the tensioner? Or is straight forward like the w203 m271 tensioner? If not must i hold the intake gear with the t100 torx socket while rotating the crankshaft anticlockwise to activate the tensioner?
Thanks in advance
Can anyone assist me with the timing chain tensioner activation on a 2011 w204 C200 CGI engine. After checking all timing marks are set and after installing the tensioner must i rotate the engine anticlockwise in order to activate the tensioner? Or is straight forward like the w203 m271 tensioner? If not must i hold the intake gear with the t100 torx socket while rotating the crankshaft anticlockwise to activate the tensioner?
Thanks in advance
Thread Starter
Newbie
Joined: Sep 2019
Posts: 3
Likes: 0
From: Durban
W203 Mercedes benz c180 kompressor,271 engine 6 speed manual
You have to rotate the engine counter to the normal rotation to release the tensioner piston. As the chain is still "slack" prior to the piston extending, it's possible the chain can skip unless the intake camshaft is held in position. You just have to remove the intake camshaft solenoid and use the T100 Torx socket to hold the camshaft while counter-rotating (anti-clockwise) the crankshaft to release the tensioner piston. You'll hear a click which is the piston releasing then, when you release the pressure on the crankshaft, you will hear the ratcheting of the extending piston.
Thanks so much, did the vehicle last night came right with the timing, thank you
