Bolt tightening procedure for cylinder head cover

AR01.20-P-5014-03MT

Bolt tightening procedure for cylinder head cover

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Engine

133 in model 117, 156, 176

Engine

260 in model 118, 177, 247

Engine

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

 Crankcase ventilation system, cylinder head cover, camshaft housing

Number

Designation

Engine 133

Engine 270

BA01.20-P-1001-01R

Screw/bolt, cylinder head cover to cylinder head

Stage 1

Nm

10

10

Stage 2

°

90

90

 Crankcase ventilation system, cylinder head cover

Number

Designation

Engine 260

BA01.20-P-1001-03C

Screw/bolt, cylinder head cover to cylinder head

Stage 1

Nm

10

Stage 2

°

90

Shown on ENGINE 270

1.1

Engine 133 in model 117, 156, 176
Engine 270 in model 117, 156, 176, 242, 246.2
Tighten screws (1 to 24) to stage 1   .

1.2

Engine 260 in model 118, 177, 247
Tighten screws (1 to 24) to stage 1   .

2.1

Engine 133 in model 117, 156, 176
Engine 270 in model 117, 156, 176, 242, 246.2
Tighten screws (1 to 24) to stage 2   .

2.2

Engine 260 in model 118, 177, 247
Tighten screws (1 to 24) to stage 2   .