Replacing Tensioning Device for Alternator Drive Belt

11 28 020 Replacing tensioning device for alternator drive belt (N14)

Warning:
Tensioning device subject to spring bias (danger of injury!).

Necessary preliminary tasks:
^ Bring front panel into service position.
^ Disconnect lambda oxygen sensor cable.

Pretension tensioning device (1) with tool (2) in direction of arrow.
Press in locking pin (3) in direction of arrow and hold.
Release tool (2) slowly and secure locking pin (3) in position.

Note:
Locking pin (3) holds tensioning device (1) at pretension.





Release screws (2).

Tighten belt tensioner to alternator
1AZ Belt tensioner to alternator
M8x110 20 Nm

Remove tensioner (3).





Installation:
Lever tensioning device (1) with tool (2) in direction of arrow.
Locking pin (3) is pretensioned with a spring and is automatically relieved during unlocking.





Assemble engine.