Engine Mechanical – V6 Page 6A1–346
Page 6A1–346
Oil Pan Bottom
Figure 6A1 – 628
Legend Hole Tool Number J 42385 Max. Depth in mm
Number Thread Size Drill Counter-
bore Tap Driver Insert Drill Tap
1 M6 x 1.0 701 n/a 203 204 205 22.5 18.0
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ISUZU KB P190 2007
Engine Mechanical – V6 Page 6A1–348
Page 6A1–348
Piston
Piston Diameter ....................................................................................... 93. 956 – 93.974 mm
Piston Pin Bore Diame ter ........................................................................ 24.005 – 24.009 mm
Piston Ring Groove Width - First (Top) Compression Ring ......................... 1.220 – 1.240 mm
Piston Ring Groove Width - Second Compression Ring.............................. 1. 510 – 1.530 mm
Piston Ring Groove Width - Oil Control Ring ............................................... 2. 510 – 2.530 mm
Piston to Bore Clear ance ............................................................................. 0.026 – 0.052 mm
Piston Pin
Piston Pin Diamet er .................................................................................. 23.997 - 24.000 mm
Piston Pin Length ..................................................................................... 60. 600 – 61.100 mm
Piston Pin Clearance to Connec ting Rod Bore............................................. 0. 007 – 0.024mm
Piston Pin Clearance to Pist on Pin Bore....................................................... 0. 004 – 0.012mm
Piston Rings
Piston Ring to Groove Clearance:
• First (Top) Compression Ring............................................................... 0. 030 – 0.065 mm
• Second Compression Ring ................................................................... 0.015 – 0.060 mm
• Oil Control Ring .................................................................................... 0. 030 – 0.170 mm
Piston Ring End Gap:
• First (Top) Compression Ring............................................................... 0. 150 – 0.300 mm
• Second Compression Ring ................................................................... 0.280 – 0.480 mm
• Oil Control Ring .................................................................................... 0. 150 – 0.600 mm
Cylinder Head
Combustion Chambe r Volume.................................................................................. 53. 600 cc
Valve Guide Bore Diameter – Intake ........................................................... 6.000 – 6.020 mm
Valve Guide Bore Diameter – Exhaust ........................................................ 6.000 – 6.020 mm
Valve Guide Installed Height................................................................... 14. 050 – 14.550 mm
Stationary Hydraulic Lash Adjuster (S HLA) Bore Diameter .....................12.008 – 12.030 mm
Valve Seat Angle – Seating Surface ................................................................................... 45 °
Valve Seat Angle – Relief Surface...................................................................................... 30 °
Valve Seat Angle – Un dercut Surface ................................................................................ 60 °
Valve Seat Runout – Maximum................................................................................ 0. 050 mm
Valve Seat Width – Exhaust S eating Surface.............................................. 1. 400 – 1.800 mm
Valve Seat Width – Exhaust Re lief Surface................................................. 0. 700 – 0.900 mm
Valve Seat Width – Intake Se ating Surface................................................. 1. 000 – 1.400 mm
Valve Seat Width – Intake Relief Surface.................................................... 0. 500 – 0.700 mm
Engine Block Deck Surf ace Flatness .......................................................................... 0. 05 mm
Exhaust Manifold Deck Su rface Flatness ................................................................... 0. 25 mm
Intake Manifold Deck Su rface Flatness ...................................................................... 0. 05 mm
Valve System
Face Angle .................................................................................................................... 4 4.25°
Face Run out ............................................................................................................. 0.038 mm
Valve Face Width – Exhaust..................................................................................... 2. 750 mm
Valve Face Width – Intake........................................................................................ 2. 180 mm
Valve Head Diameter – Ex haust .............................................................. 30.470 – 30.730 mm
Valve Head Diameter – Intake ................................................................. 36. 830 – 37.090 mm
Valve Installed He ight .................................................................................. 35.26 – 36.69 mm
Valve Length – Exhaust.......................................................................................... 97. 110 mm
Valve Length – Intake ........................................................................................... 101.230 mm
Valve Stem Diameter (s tandard).................................................................. 5. 955 – 5.975 mm
Valve Stem Diameter (o versize).................................................................. 6.013 – 6.033 mm
Valve Stem to Guide Clearance................................................................... 0. 025 – 0.065 mm
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ISUZU KB P190 2007
Engine Mechanical – V6 Page 6A1–349
Page 6A1–349
Hydraulic Lash Adjuster Diameter ........................................................... 11.986 – 12.000 mm
Hydraulic Lash Adjuster to Bore Clearance................................................. 0. 037 – 0.041 mm
Rocker Arm/Camshaft Fo llower Ratio............................................................................. 1. 68:1
Rocker Arm/Camshaft Follower Ro ller Diameter..................................... 17. 740 – 17.800 mm
Valve Spring Free Le ngth ........................................................................ 42.500 – 45.500 mm
Valve Spring Installed He ight – Closed................................................................... 35. 000 mm
Valve Spring Installed Height – Open ..................................................................... 24.000 mm
Valve Spring Load – Closed................................................................................. 247 – 273 N
Valve Spring Load – Open.................................................................................... 598 – 662 N
Valve Spring Diameter – In side Top ........................................................ 12.200 – 12.700 mm
Valve Spring Diameter – Ou tside Top ..................................................... 18.000 – 20.500 mm
Valve Spring Diameter – In side Bottom ................................................... 17.950 – 18.450 mm
Valve Spring Diameter – Outside Bottom ............................................................... 26. 000 mm
Valve Spring Coil Thi ckness ........................................................................ 3.250 – 3.900 mm
Valve Spring Total Nu mber of Coils..................................................................................... 7.1
Camshaft
Camshaft Bearing Inside Diameter – Front Number 1 ............................. 35. 000 – 35.020 mm
Camshaft Bearing Inside Diam eter – Middle & Rear Number 2 - 4..........27.000 – 27.020 mm
Camshaft End Play ...................................................................................... 0. 045 – 0.215 mm
Camshaft Journal Diameter – Fr ont Number 1........................................ 34. 936 – 34.960 mm
Camshaft Journal Diameter – Middle & Rear Number 2 - 4..................... 26. 936 – 26.960 mm
Camshaft Journal Ou t-of-round................................................................................ 0. 006 mm
Camshaft Journal to Bore Clearance ........................................................... 0.040 – 0.084 mm
Camshaft Runout – Front & R ear Number 1 and 4................................................... 0. 025 mm
Camshaft Runout – Middle Number 2 and 3............................................................ .0 .050 mm
Camshaft Lobe Duration – Ex haust (@ 0.150 mm Lift) .................................................... 238 °
Camshaft Lobe Duration – In take (@ 0.150 mm Lift) ....................................................... 237 °
Camshaft Lobe Height – Exhaust ................................................................................. 6.6 mm
Camshaft Lobe Height – Intake.................................................................................... 6.5 mm
Camshaft Lobe Overlap (@ 0.150 mm Lift) ..................................................... -5 ° (no overlap)
Valve Opens – Exhaust .........................................................................................229 ° BTDC
Valve Opens – Intake ...............................................................................................14 ° ATDC
Centre-line – Exhaust .............................................................................................111 ° BTDC
Centre-line – Intake ................................................................................................132 ° ATDC
Valve Closes – Exhaust ..............................................................................................9 ° ATDC
Valve Closes – Intake ............................................................................................252 ° ATDC
Valve Lift – Ex haust .................................................................................................... 10.8 mm
Valve Lift – Intake....................................................................................................... 10. 8 mm
Oil Pump
Type........................................................................................................................... ...Gerotor
Gear Diameter – Ou ter ............................................................................ 87.095 – 87.175 mm
Gear Bore Dept h...................................................................................... 15. 565 – 15.600 mm
Gear Bore Diamet er................................................................................. 87.275 – 87.325 mm
Gear Thickness ........................................................................................ 15. 511 – 15.536 mm
Gear to Cover Clear ance ............................................................................. 0.030 – 0.085 mm
Gear to Housing Cle arance......................................................................... 0. 100 – 0.230 mm
Inner Gear Tip Clear ance ............................................................................ 0.075 – 0.180 mm
Crankshaft Clearance to Housing................................................................ 0. 040 – 0.130 mm
Inner Gerotor Hub Di ameter.................................................................... 53. 310 – 53.335 mm
Housing Hub Diamet er ............................................................................ 53.380 – 53.420 mm
Inner Gerotor Hub Clearance to Housing .................................................... 0. 045 – 0.110 mm
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ISUZU KB P190 2007
Engine Mechanical – V6 Page 6A1–350
Page 6A1–350
Lubrication System
Oil Type.................................................................................................................. SAE 5 W30
Oil Capacity – with Filter................................................................................................... 6. 5 L
Oil Pressure – Mini mum at idle ......................................................................................69 kPa
Oil Pressure – Minimum at 2000 r.p.m. ....................................................................... 138 kPa
Piston Cooling Jet Valve Op ening Pressure...................................................... 170 – 230 kPa
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ISUZU KB P190 2007