ar0520d699207c

Locating camshafts

Type ar · topic 05.20 · version 0101 · 2000-02-15

Applies to: ENGINE 111.979 in MODEL 901.0, 902.0, 903.0, 904.0 ENGINE 111.984 in MODEL 901.6, 902.6, 903.6, 904.6

Where it sits

Function group 1 Engine › 05 Engine timing › 05.20 Camshaft, camshaft adjustment — Series 901 (models 0**, 6**) · Series 902 (models 0**, 6**) · Series 903 (models 0**, 6**) · Series 904 (models 0**, 6**)

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 901 (models 0**, 6**) · Series 902 (models 0**, 6**) · Series 903 (models 0**, 6**) · Series 904 (models 0**, 6**)

Also applies to engines/gearboxes: 111 979, 111 984

AR05.20-D-6992-07C

Locating camshafts

Locating camshafts

111 589 03 15 00

Retaining pins

Locating camshafts

D05.20-1005-01

1 Position piston of cylinder 1 to 25° after ignition TDC.

The cam tips of the inlet and exhaust camshaft at cylinder 1 are pointing up at an angle. The 25° marking on belt pulley/vibration damper must be aligned with the positioning edge on the timing case cover.

Locating camshafts
Locating camshafts

D05.20-1007-01

D05.20-1006-01

The illustrations show engine 111.979. The steps which follow also apply to engine 111.984 with camshaft adjuster.

2 Insert retaining pin (1) through the holes (arrows) in the camshaft bearing caps (2) and in the camshaft flanges.

A variation of as much as approx. 1/3 of the hole diameter is permissible as a result of the operating-related chain stretch.