Mercedes-Benz ML320. Service 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
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