Check basic position of camshafts

AR05.20-P-6010MT

Check basic position of camshafts

01.10.2013

ENGINE

133 in MODEL 117, 156, 176

ENGINE

270 in MODEL 117, 156, 176, 242, 246.2

Shown on engine 270

1

Segment disc

1a

Edge

2

Segment disc

2a

Bearing slot

3

Cylinder head cover

Shown on engine 270

1

Segment disc

1a

Edge

2

Segment disc

2a

Bearing slot

3

Cylinder head cover

 

Remove/install

1

Remove both Hall sensors on camshafts

AR15.10-P-2000MT

2

Lift vehicle on vehicle lift

AR00.60-P-1000AK

3

Open service flap on fender liner in the front right fender

4

Rotate engine at crankshaft center bolt in direction of engine rotation to top dead center (ignition TDC) on cylinder 1

 The TDC marking on belt pulley/ vibration damper must be aligned with positioning edge on timing case cover.

 Socket wrench bit

*001589650900



Check

5

Check basic position of camshafts

 The basic position of the camshafts is checked by a visual inspection over the Hall sensor openings on cylinder head cover (3).

 To check the exhaust camshaft adjustment the edge (1a) of the partial segment of the segment disc (1) must be visible in the middle in the Hall sensor opening (picture). To check the intake camshaft adjustment the bearing slot (2a) of the segment disc (2) must stand in the middle in the Hall sensor opening (picture).

If the basic setting is not correct:



Set basic position of camshafts

AR05.20-P-6020MT

6

Install in the reverse order