Isuzu KB P190. Manual - part 781

Engine Mechanical – V6

Page 6A1–347

5 Specifications

G e n e r a l

Engine Type ........................................................................................................................ V6

Bank Angle ......................................................................................................................... 60

Displacement ............................................................................................ 3.6 litre (3,565 cm3)

Bore ............................................................................................................................... 94 mm

Stroke .........................................................................................................................85.6 mm

Compression Ratio ......................................................................................................... 10.2:1

Cranking Speed at 40

°C .............................................................................................80 r.p.m.

Spark Plug Gap ............................................................................................................1.1 mm

Firing Order ............................................................................................................ 1-2-3-4-5-6

C y l i n d e r B l o c k

Cylinder Bore Diameter ........................................................................... 93.992 – 94.008 mm

Cylinder Out-of-Round – Production Maximum ........................................................ 0.013 mm

Crankshaft Main bearing bore Diameter .................................................. 72.867 – 72.881 mm

Cylinder Head Deck Surface Flatness ........................................................................ 0.05 mm

C r a n k s h a f t

Connecting Rod Journal Diameter........................................................... 55.992 – 56.008 mm

Connecting Rod Journal Out-of-Round..................................................................... 0.005 mm

Connecting Rod Journal Taper ................................................................................ .0.005 mm

Connecting Rod Journal Width (Production)........................................................... 22.000 mm

Connecting Rod Journal Width (Service limit) ......................................... 21.920 – 22.080 mm

Crankshaft End Play .................................................................................... 0.100 – 0.330 mm

Crankshaft Main Bearing Clearance ............................................................ 0.010 – 0.060 mm

Crankshaft Main Journal Diameter ......................................................... .67.992 – 68.008 mm

Crankshaft Main Journal Out-of-Round .................................................................... 0.005 mm

Crankshaft Main Journal Taper ............................................................................... .0.005 mm

Crankshaft Main Journal Width, #2, 4 (Production) ....................................................... 24 mm

Crankshaft Main Journal Width, #2, 4 (Service) ...................................... 23.900 – 24.100 mm

Crankshaft Main Journal Width, #3 (Production) .................................................... 24.400 mm

Crankshaft Main Journal Width, #3 (Service) .......................................... 24.360 – 24.440 mm

Crankshaft Main Journal Thrust Wall Runout .............................................. 0.000 – 0.040 mm

Crankshaft Main Journal Thrust Wall Square .............................................. 0.000 – 0.010 mm

Crankshaft Rear Flange Runout ............................................................................... 0.025 mm

Crankshaft Reluctor Ring Runout - Maximum .......................................................... 1.500 mm

Crankshaft Thrust Bearing Clearance.......................................................... 0.076 – 0.305 mm

Crankshaft Thrust Surface Runout ........................................................................... 0.040 mm

Crankshaft Thrust Surface – Height Diameter ........................................................ 95.000 mm

C o n n e c t i n g R o d

Connecting Rod Length - Bore Centre-to-Centre ................................................. 150.400 mm

Connecting Rod Bore Diameter - Bearing End ........................................ 59.620 – 59.636 mm

Connecting Rod Bore Diameter - Pin End ............................................... 24.007 – 24.021 mm

Connecting Rod Width ........................................................................................... 21.775 mm

Connecting Rod Side Clearance.................................................................. 0.095 – 0.355 mm

Connecting Rod Bearing Clearance ............................................................ 0.010 – 0.070 mm

Engine Mechanical – V6

Page 6A1–348

P i s t o n

Piston Diameter ....................................................................................... 93.956 – 93.974 mm

Piston Pin Bore Diameter ........................................................................ 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 Clearance............................................................................. 0.026 – 0.052 mm

P i s t o n P i n

Piston Pin Diameter ..................................................................................23.997 - 24.000 mm

Piston Pin Length..................................................................................... 60.600 – 61.100 mm

Piston Pin Clearance to Connecting Rod Bore ............................................. 0.007 – 0.024mm

Piston Pin Clearance to Piston Pin Bore....................................................... 0.004 – 0.012mm

P i s t o n R i n g s

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

C y l i n d e r H e a d

Combustion Chamber 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 (SHLA) Bore Diameter ..................... 12.008 – 12.030 mm

Valve Seat Angle – Seating Surface................................................................................... 45

Valve Seat Angle – Relief Surface...................................................................................... 30

Valve Seat Angle – Undercut Surface ................................................................................ 60

Valve Seat Runout – Maximum ................................................................................ 0.050 mm

Valve Seat Width – Exhaust Seating Surface .............................................. 1.400 – 1.800 mm

Valve Seat Width – Exhaust Relief Surface................................................. 0.700 – 0.900 mm

Valve Seat Width – Intake Seating Surface ................................................. 1.000 – 1.400 mm

Valve Seat Width – Intake Relief Surface .................................................... 0.500 – 0.700 mm

Engine Block Deck Surface Flatness.......................................................................... 0.05 mm

Exhaust Manifold Deck Surface Flatness ................................................................... 0.25 mm

Intake Manifold Deck Surface Flatness ...................................................................... 0.05 mm

V a l v e S y s t e m

Face Angle .................................................................................................................... 44.25

Face Runout ............................................................................................................. 0.038 mm

Valve Face Width – Exhaust..................................................................................... 2.750 mm

Valve Face Width – Intake........................................................................................ 2.180 mm

Valve Head Diameter – Exhaust.............................................................. 30.470 – 30.730 mm

Valve Head Diameter – Intake ................................................................. 36.830 – 37.090 mm

Valve Installed Height .................................................................................. 35.26 – 36.69 mm

Valve Length – Exhaust.......................................................................................... 97.110 mm

Valve Length – Intake ........................................................................................... 101.230 mm

Valve Stem Diameter (standard).................................................................. 5.955 – 5.975 mm

Valve Stem Diameter (oversize) .................................................................. 6.013 – 6.033 mm

Valve Stem to Guide Clearance................................................................... 0.025 – 0.065 mm

Engine Mechanical – V6

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 Follower Ratio............................................................................. 1.68:1

Rocker Arm/Camshaft Follower Roller Diameter ..................................... 17.740 – 17.800 mm

Valve Spring Free Length ........................................................................ 42.500 – 45.500 mm

Valve Spring Installed Height – 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 – Inside Top ........................................................ 12.200 – 12.700 mm

Valve Spring Diameter – Outside Top ..................................................... 18.000 – 20.500 mm

Valve Spring Diameter – Inside Bottom ................................................... 17.950 – 18.450 mm

Valve Spring Diameter – Outside Bottom ............................................................... 26.000 mm

Valve Spring Coil Thickness ........................................................................ 3.250 – 3.900 mm

Valve Spring Total Number of Coils.....................................................................................7.1

C a m s h a f t

Camshaft Bearing Inside Diameter – Front Number 1 ............................. 35.000 – 35.020 mm

Camshaft Bearing Inside Diameter – Middle & Rear Number 2 - 4.......... 27.000 – 27.020 mm

Camshaft End Play ...................................................................................... 0.045 – 0.215 mm

Camshaft Journal Diameter – Front Number 1 ........................................ 34.936 – 34.960 mm

Camshaft Journal Diameter – Middle & Rear Number 2 - 4..................... 26.936 – 26.960 mm

Camshaft Journal Out-of-round ................................................................................ 0.006 mm

Camshaft Journal to Bore Clearance........................................................... 0.040 – 0.084 mm

Camshaft Runout – Front & Rear Number 1 and 4................................................... 0.025 mm

Camshaft Runout – Middle Number 2 and 3............................................................ .0.050 mm

Camshaft Lobe Duration – Exhaust (@ 0.150 mm Lift) .................................................... 238

Camshaft Lobe Duration – Intake (@ 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 – Exhaust ....................................................................................................10.8 mm

Valve Lift – Intake ....................................................................................................... 10.8 mm

O i l P u m p

Type..............................................................................................................................Gerotor

Gear Diameter – Outer ............................................................................ 87.095 – 87.175 mm

Gear Bore Depth...................................................................................... 15.565 – 15.600 mm

Gear Bore Diameter................................................................................. 87.275 – 87.325 mm

Gear Thickness........................................................................................ 15.511 – 15.536 mm

Gear to Cover Clearance............................................................................. 0.030 – 0.085 mm

Gear to Housing Clearance ......................................................................... 0.100 – 0.230 mm

Inner Gear Tip Clearance ............................................................................ 0.075 – 0.180 mm

Crankshaft Clearance to Housing ................................................................ 0.040 – 0.130 mm

Inner Gerotor Hub Diameter .................................................................... 53.310 – 53.335 mm

Housing Hub Diameter ............................................................................ 53.380 – 53.420 mm

Inner Gerotor Hub Clearance to Housing .................................................... 0.045 – 0.110 mm

Engine Mechanical – V6

Page 6A1–350

L u b r i c a t i o n S y s t e m

Oil Type .................................................................................................................. SAE 5W30

Oil Capacity – with Filter ................................................................................................... 6.5 L

Oil Pressure – Minimum at idle ......................................................................................69 kPa

Oil Pressure – Minimum at 2000 r.p.m. .......................................................................138 kPa

Piston Cooling Jet Valve Opening Pressure ......................................................170 – 230 kPa

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