AR05.20-P-7201L | Remove/install camshaft adjusters | 24.6.10 |
ENGINES 137.970 in MODEL 215.378, 220.178 /878
P05.20-2071-09
1 Cylinder head
2 Camshaft bearing cap
3 Camshaft
4 Left camshaft adjuster
A Marking of camshaft bearing cap
B Marking of camshaft
5 Retaining device
6 Right camshaft adjuster
7 Retaining clip
8 Screw
Modification notes
| Removing | ||
1 | Remove cylinder head covers | ||
2 | Remove CSO oil pump | ||
3 | Remove front cover on right | ||
4 | Turn engine to 30° after ignition TDC at cylinder 1. | Crank engine at crankshaft in direction of rotation of engine until 30° marking on belt pulley/vibration damper is aligned with marking on timing case cover. | |
Engine must not be cranked back. | |||
5 | Loosen camshaft adjuster (4) bolt (8) on the left | Before loosening bolt (8) attach retaining clamp (7) on the camshaft adjuster (4) on the left. To loosen the bolt mount the holding device (5) on the left cylinder head. The holding device (5) can only be mounted for a camshaft in the basic position. Marking (A) of camshaft bearing cap (2) must be aligned with marking (B) on camshaft (3). | |
Retaining clamp | |||
Holding device | |||
6 | Loosen camshaft adjuster (6) bolt (8) on the right | Before loosening bolt (8) attach retaining clamp (7) on the camshaft adjuster (6) on the right. To loosen the bolt (8) mount the holding device (5) on the right cylinder head. The holding device (5) can only be mounted for a camshaft in the basic position. Marking (A) of camshaft bearing cap (2) must be aligned with marking (B) on camshaft (3). | |
Retaining clamp | |||
Holding device | |||
7 | Remove chain tensioner | ||
8 | Remove pin for the slide rail on the right and left cylinder head | On remove the pin at intake side. | |
Impact extractor | |||
Threaded bolt | |||
9 | Remove camshaft adjuster (6) on the right | Mark camshaft adjusters and timing chain to each other with colored dots. Lift timing chain from the camshaft adjuster. | |
10 | Remove camshaft adjuster (4) at the left | Mark camshaft adjusters and timing chain to each other with colored dots. Lift timing chain from the camshaft adjuster. | |
| Install | ||
11 | Install camshaft adjuster (6) on the right | Fit timing chain onto camshaft adjuster. Colored dots at camshaft adjuster and timing chain must be aligned. Remove retaining clamp (7). | |
Retaining clamp | |||
| |||
12 | Install camshaft adjuster (4) at the left | Fit timing chain onto camshaft adjuster. Colored dots at camshaft adjuster and timing chain must be aligned. Remove retaining clamp (7). | |
Retaining clamp | |||
| |||
13 | Remove left and right holding devices (5) on the cylinder head | | |
14 | Install pins for guide rails | Do not mix up pins. | |
15 | Install chain tensioner | ||
| |||
16 | Check engine valve timing | ||
17 | Install CSO for oil pump | ||
| |||
| |||
18 | Install front cover on right | ||
| |||
| |||
19 | Install cylinder head cover | ||
|
Crankcase ventilation, cylinder head cover
Cylinder head
Number | Designation | Engine 137 | ||
BA01.30-P-1001-01G | Right front cover on cylinder head | M6 | Nm | 8 |
BA01.30-P-1002-01G | Bolt, guide pulley to front cover on right | M8 | Nm | 30 |
BA01.30-P-1003-01G | Secondary-oil pump for cylinder shutoff on left cylinder head | M6 | Nm | 8 |
Timing chain, chain tensioner
Camshaft
Number | Designation | Engine 137 | |||
BA05.20-P-1001-01E | Bolt for left camshaft adjuster | M14 x 80 | Stage 1 | Nm | 120 |
Stage 2 | ° | 90 | |||
BA05.20-P-1002-01E | Bolt for right camshaft adjuster | M14x48 | Stage 1 | Nm | 120 |
Stage 2 | ° | 90 | |||
137 589 01 40 00
Double open end wrench
Holding device
Retaining clamp
Impact extractor
137 589 00 40 00
104 589 01 01 00
116 589 20 33 00
Threaded stud
116 589 01 34 00