Mercedes-Benz ML320. Manual — part 451

Fig. 72: Identifying Screwdriver Insert (000 589 03 10 00)

Fig. 73: Identifying Screwdriver Insert (000 589 04 10 00)

Tightening pattern/bolt assignment

Left and right cylinder head M 112

1-8 Collar bolt M11

a. a Combination bolts M850(to timing case cover)

b. b Combination bolts M830(to timing case cover)

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Fig. 74: Identifying Tightening Pattern/Bolt Assignment (Left And Right Cylinder Head M 112)

Tightening instructions for left and right cylinder heads M 112

Use

wrench bit to tighten cylinder head bolts.

Observe sequence, see tightening pattern.

If the tightening torque is exceeded on a cylinder head bolt, unscrew the cylinder head bolt, inspect shank

length of the cylinder head bolt in question (replace bolt if necessary) and tighten again fully, beginning with
stage 1.

Cylinder head bolts must not be retightened.

Tightening diagram/bolt assignment

Left and right cylinder head M 113

Fig. 75: Identifying Left And Right Cylinder Head M 112 (Left And Right Cylinder Head M 113)

Tightening instructions for left and right cylinder heads M 113

Use

wrench bit to tighten cylinder head bolts.

Observe sequence, see tightening pattern.

If the tightening torque is exceeded on a cylinder head bolt, unscrew the cylinder head bolt, inspect shank

length of the cylinder head bolt in question (replace bolt if necessary) and tighten again fully, beginning with
stage 1.

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Cylinder head bolts must not be retightened.

SLACKENING DIAGRAM FOR CYLINDER HEAD BOLTS - AR01.30-P-5800-09B

Fig. 76: Identifying Screwdriver Insert (000 589 03 10 00)

Fig. 77: Identifying Screwdriver Insert (000 589 04 10 00)

Engine 112

Fig. 78: Identifying Loosening Sequence Of Cylinder Head Bolts - Engine 112

1. Unscrew bolts (a, b).

Engine 113

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me

Fig. 79: Identifying Loosening Sequence Of Cylinder Head Bolts - Engine 113

2. Loosen cylinder head bolts (1 to 8 or 10) as per the numerical sequence and remove.

REMOVE/INSTALL CYLINDER HEAD - AR01.30-P-5800MV

ENGINE 112.942 in MODEL 163.154

ENGINE 112.970 in MODEL 163.157

ENGINE 113.942 in MODEL 163.172

ENGINE 113.981 in MODEL 163.174

ENGINE 113.965 in MODEL 163.175

Shown on model 163.154 with engine 112

2001 Mercedes-Benz ML320

1998-2005 ENGINE Complete engine - 163 Chassis

me