Remove/install chain tensioner - AR05.10-P-7800L

ENGINE 137.970 in MODELS 215.378, 220.178 /878

Fig 1: Identifying Chain Tensioner, Sealing Ring, Airpump And Right Cylinder Head Of Chain Tensioner

MODIFICATION NOTES

12.6.02

Figure modified from 80 Nm to 120 Nm

Figure in BA05.10-P-1001-01H for engine 137 modified

	Remove, Install
		External Torx set	Figure
1	Remove electric air pump (M33)	Disconnect plug connection.	AR14.30-P-7251L
2	Remove air pump holder
3	Remove chain tensioner (2) at right cylinder head (1)	Installation: darr; Replace seal (3).
			*BA05.10-P-1001-01H
4	Install in the reverse order

TIMING CHAIN, CHAIN TENSIONER TORQUE SPECIFICATION

Number	Designation		Engine 137
BA05.10-P-1001-01H	Chain tensioner in cylinder head	NM	120

Fig 2: Identifying External Torx Set (001 589 76 09 00)