Isuzu KB P190. Manual — part 781

Engine Mechanical – V6

Page 6A1–347

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

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

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

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