Remove/install poly-V belt guide pulley · ar1321d3350we · Mercedes-Benz WIS

AR13.21-D-3350WE

Remove/install poly-V belt guide pulley

23.5.11

ENGINES 651 in MODEL 900

ENGINES 651.955 /956 /957 in MODEL 906

D13.20-0003-06

Shown for vehicles with code (HH9) Regulated air conditioning, (Tempmatic)

1 Poly-V belt

2 Caps

3 Bolt

4 Pulley

5 Pulley

6 Pulley

7 Screw

8 Refrigerant compressor belt pulley (for code (HH9) Regulated air conditioning, (Tempmatik))

D13.20-0006-06

Only on vehicles without code (HH9) Regulated air conditioning (Tempmatic)

9 Cap

10 Pulley

11 Bolt

12 Carrier

 	Remove/install
1	Remove poly-V belt (1)		AR13.22-D-1202WE
2	Remove caps (2) on guide pulleys (4, 5)
3	Unscrew bolts (3, 7)	 Installation: Replace bolts (3, 7).
			*BA13.25-N-1012-01P
4	Remove guide pulleys (4, 5, 6)
5	Remove cap (9) on guide pulley (10)	For vehicles without code (HH9) Regulated air conditioning, (Tempmatic)
6	Remove bolt (11) and guide pulley (10) on carrier (12)	For vehicles without code (HH9) Regulated air conditioning, (Tempmatic)
			*BA13.25-N-1005-01P
	Check
7	Check guide pulleys (4, 5, 6, 10) for wear and damage; replace if necessary
8	Install in the reverse order

 Belt tensioning device

Number	Designation			Engine 651 in model 900	Engine 651 in model 906


BA13.25-N-1005-01P	Bolt connecting guide pulley to guide pulley carrier		Nm	54	54
BA13.25-N-1012-01P	Bolt, guide pulley to major assembly carrier	M8	Nm	25	25
		M10	Nm	45	45