Mercedes-Benz ML320. Manual — part 430

Fig. 122: Identifying Valve Setback - Shown On Engine 606

CHECK VALVES - AR05.30-P-4201-01AV

Modification notes

Test values for valves

Test values for valves

19.11.04

Value changed from 45 (±15') mm to
45 (+15') mm

Figure for series 1003 for engine
112 complete

*BE05.30-P-1003-
01E

Number

Designation

Engine
112.910/911

Engine
112.912/913/
914/915/920/
921/922/923/
940/941/942/
943/944/945/
946/947/948/
949/960

Engine
112.951

BE05.30-P-
1001-01E

Valve disk
dia.

Exhaust

mm

34±0,1

41±0,1

41 ±0,1

Intake

mm

30±0,1

36±0,1

36±0,1

BE05.30-P-
1002-01E

Valve disk
height

Exhaust when
new

mm

1.6

1.6

1.6

Intake valve
when new

mm

1.2

1.2

1.2

BE05.30-P-
1003-01E

Valve seat
angle (a)

Exhaust

Angle°

45 (+15')

45 (+15')

45 (+15')

Intake

Angle°

45 (+15')

45 (+15')

45 (+15')

BE05.30-P-
1004-01E

Valve stem
dia.

Exhaust

mm

6,970

6,970

6.970 (-0.02)

Intake

mm

6,975

6,975

6.975 (-0.015)

BE05.30-P-
1005-01E

Valve length Exhaust

mm

121,65±0,2

122,25±0,2

122,25 (±0,2)

Intake

mm

120,70±0,2

119,40±0,2

119,40 (±0,2)

Number

Designation

Engines
113.940/941/
942/943/944

Engine
113.960/
961/962/963/

Engine
137.970

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me

Fig. 123: Identifying Valve Dimensions

CHECKING AND MACHINING DIMENSIONS FOR VALVE SEATS - AR05.30-P-4510-01AV

Test values for valve seat rings

965/967/968/
980/981/982/
984/987/988/
990/991/992/
993/995

BE05.30-P-
1001-01E

Valve disk
dia.

Exhaust

mm

41±0,1

43±0,1

36±0,1

Intake

mm

36±0,1

38±0,1

33±0,1

BE05.30-P-
1002-01E

Valve disk
height

Exhaust when
new

mm

1.6

1.6

1.6

Intake valve
when new

mm

1.2

1.2

1.1

BE05.30-P-
1003-01E

Valve seat
angle

(aExhaust)

Angle°

45±15'

45±15'

45±15'

Intake

Angle°

45±15'

45±15'

45±15'

BE05.30-P-
1004-01E

Valve stem
dia.

Exhaust

mm

6,970

6,970

6,970

Intake

mm

6,975

6,975

5,975

BE05.30-P-
1005-01E

Valve length Exhaust

mm

122,25±0,2

121,80±0,2

104,30 ±0,2

Intake

mm

119,40±0,2

119,10±0,2

103,60 ±0,2

Number

Designation

Engine
112.910/
911

Engine 112.912/
914/915/920/
921/922/923/
940/941/942/
943/944/945/

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me

Test values for valve seat rings

Shown at exhaust valve seat ring

946/947/948/
951/960/961,
113.940/941/94
2/943/944

BE05.30-P-
1009-03C

Inlet
valve/exhaust
valve valve seat

Width

mm

0.8...1.2

0.8...1.2

Angle (a)

Angle°

45(+ 30')

45(+ 30')

Correction
Angle (ß)

Angle°

35 (±15')

35 (±15')

Correction
Angle (gamma)

Angle°

58 (±15')

58 (±15')

Number

Designation

Engine 113.960/
961/962/963/
964/965/967/
968/971/980/
981/982/984/
987/988/990/
991/992/993/
995

Engine 137.970

BE05.30-P-
1009-03C

Inlet
valve/exhaust
valve valve seat

Width

mm

0.60...0.65

0.75...0.95

Angle (a)

Angle°

45 (30')

45 (30')

Correction
Angle (ß)

Angle°

35 (±15')

35 (±15')

Correction
Angle (gamma)

Angle°

58 (±15')

58 (±15')

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me

Fig. 124: Identifying Valve Seat Dimensions - Shown At Exhaust Valve Seat Ring

INSPECTING, REMOVING, INSTALLING VALVE GUIDES - AR05.30-P-4511AV

ENGINE 112

ENGINE 112.945 in MODEL 463.209 /232 /233 /244 /245 /250

ENGINE 113.962 in MODEL 463.206 /240 /241 /247 /248 /249 /254

ENGINE 113.982 in MODEL 463.243/246

ENGINE 113 in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230

Fig. 125: Removing/Installing Valve Guides

Remove

1 Remove valves

AR05.30-P-
3511AV

Inspection

2 Inspect valve guide,

Inspect valve guide if the measurements obtained are not

within the stated tolerances ?

AR05.30-P-
3731-06AV

Replace valve guide.

AR05.30-P-
3731AV

Machining

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me