Engine Mechanical Specifications. Pontiac Vibe

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2008 🢒 Vibe - FWD 🢒 Engine 🢒 Engine Mechanical - 1.8L (LV6) 🢒 Engine Mechanical Specifications

Application	Specification
Application	Metric	English
Camshaft
Bearing Cap Oil Clearance - Standard Bearing Cap No. 1	0.035-0.076 mm	0.0014-0.0030 in
Bearing Cap Oil Clearance - Standard Bearing Caps No. 2,3,4,5	0.035-0.072 mm	0.0014-0.0028 in
Bearing Caps Oil Clearance - Maximum	0.10 mm	0.0039 in
Journal Outside Diameter - Standard No. 1 Journal	34.449-34.465 mm	1.3562-1.3568 in
Journal Outside Diameter - Standard No. 2,3,4,5 Journal	27.949-27.965 mm	1.1003-1.1010 in
Lobe Height Exhaust - Minimum No. 1 Lobe	39.86 mm	1.5693 in
Lobe Height Exhaust - Minimum No. 2 Lobe	38.71 mm	1.5240 in
Lobe Height Exhaust - Standard No. 1 Lobe	40.019-40.119 mm	1.5727-1.5766 in
Lobe Height Exhaust - Standard No. 2 Lobe	38.863-38.963 mm	1.5273-1.5312 in
Lobe Height Intake - Minimum Lobe No. 1	40.45 mm	1.5925 in
Lobe Height Intake - Minimum Lobe No. 2	38.61 mm	1.5201 in
Lobe Height Intake - Standard Lobe No. 1	40.607-40.707 mm	1.5958-1.5997 in
Lobe Height Intake - Standard Lobe No. 2	38.769-38.869 mm	1.5236-1.5275 in
Runout - Maximum	0.03 mm	0.0012 in
Thrust Clearance - Standard	0.04-0.14 mm	0.0016-0.0055 in
Thrust Clearance (Maximum)	0.15 mm	0.0059 in
Connecting Rods and Bearings
Connecting Rod Bearing Clearance - Maximum	0.080 mm	0.0031 in
Connecting Rod Bearing Clearance - Standard	0.028-0.052 mm	0.0011-0.0020 in
Connecting Rod Bolt Diameter - Minimum	6.4 mm	0.252 in
Connecting Rod Bolt Diameter - Standard	6.0-6.7 mm	0.260-0.264 in
Connecting Rod Bow - Maximum	0.050 mm	0.0020 in
Connecting Rod Bushing Inside Diameter	20.011-20.023 mm	0.7878-0.7883 in
Connecting Rod Side Clearance - Maximum	0.35 mm	0.0138 in
Connecting Rod Side Clearance - Standard	0.160-0.342 mm	0.0063-0.0135 in
Connecting Rod Thickness	19.788-19.840 mm	0.7791-0.7811 in
Connecting Rod Twist - Maximum	0.15 mm	0.0059 in
Rod Bearing Thickness - "1" Stamping	1.482-1.486 mm	0.0583-0.0585 in
Rod Bearing Thickness - "2" Stamping	1.486-1.490 mm	0.0585-0.0587 in
Rod Bearing Thickness - "3" Stamping	1.490-1.494 mm	0.0587-0.0588 in
Rod Bushing Oil Clearance - Piston To Piston Pin	0.005-0.0013 mm	0.0002-0.0005 in
Crankshaft
Crankshaft Diameter	43.992-44.000 mm	1.7320-1.7328 in
Crankshaft Diameter Out-of-Round and Taper - Maximum	0.02 mm	0.0004 in
Journal Taper or Out-of-Round	0.02 mm	0.0008 in
Runout at Center Journal	0.03 mm	0.0012 in
Thrust Bearing Thickness	1.930-1.980 mm	0.0760-0.0780 in
Thrust Play - Maximum	0.30 mm	0.0118 in
Thrust Play - Standard	0.04-0.24 mm	0.0016-0.0094 in
Cylinder Head
Gasket Surface Distortion - Maximum	0.2 mm	0.008 in
Seating Distortion Exhaust Manifold	0.3 mm	0.012 in
Seating Distortion Intake Manifold	0.2 mm	0.008 in
Cylinder Block
Cylinder Bore - Standard	79.000-79.013 mm	3.1102-3.1107 in
Cylinder Bore - Maximum	79.013 mm	3.1107 in
Gasket Surface Distortion - Maximum	0.05 mm	0.0020 in
Flywheel
Flywheel Face Runout	0.1 mm	0.004 in
Main Bearings
Crankshaft Journal Diameter - "0" Stamping	47.998-48.000 mm	1.8897-1.8898 in
Crankshaft Journal Diameter - "1" Stamping	47.996-47.998 mm	1.8896-1.8897 in
Crankshaft Journal Diameter - "2" Stamping	47.994-47.996 mm	1.8895-1.8896 in
Crankshaft Journal Diameter - "3" Stamping	47.992-47.994 mm	1.8894-1.8895 in
Crankshaft Journal Diameter - "4" Stamping	47.990-47.992 mm	1.8893-1.8894 in
Crankshaft Journal Diameter - "5" Stamping	47.988-47.990 mm	1.8892-1.8893 in
Crankshaft Thrust Washer Clearance - Maximum	0.08 mm	0.0031 in
Crankshaft Thrust Washer Clearance - Standard	0.016-0.032 mm	0.0006-0.0013 in
Main Bearing Thrust Clearance - Maximum	0.30 mm	0.0118 in
Main Bearing Thrust Clearance - Standard	0.02-0.22 mm	0.0008-0.0087 in
Main Bearing Thickness - "1" Stamping	1.989-1.992 mm	0.0783-0.0784 in
Main Bearing Thickness - "2" Stamping	1.992-1.995 mm	0.0784-0.0785 in
Main Bearing Thickness - "3" Stamping	1.995-1.998 mm	0.0785-0.0787 in
Main Bearing Thickness - "4" Stamping	1.998-2.001 mm	0.0787-0.0788 in
Main Bearing Thickness - "5" Stamping	2.001-2.004 mm	0.0788-0.0789 in
Timing Chain and Sprockets
Chain Elongation - Maximum	122.6 mm	4.827 in
Camshaft Sprocket Diameter With Chain - Minimum	97.3 mm	3.831 in
Crankshaft Sprocket Diameter With Chain - Minimum	51.6 mm	2.031 in
Oil Pump
Housing-to-Oil Pump Gear Set Side Clearance - Maximum	0.16 mm	0.0062 in
Housing-to-Oil Pump Gear Set Side Clearance - Standard	0.030-0.080 mm	0.0012-0.0031 in
Outer Rotor-to-Inner Rotor Tip Clearance - Maximum	0.35 mm	0.0138 in
Outer Rotor-to-Inner Rotor Tip Clearance - Standard	0.060-0.180 mm	0.0024-0.0071 in
Outer Rotor-to-Oil Pump Body Radial Clearance - Maximum	0.32 mm	0.0128 in
Outer Rotor-to-Oil Pump Body Radial Clearance - Standard	0.125-0180 mm	0.0049-0.0070 in
Oil Pressure
At Idle	29 kPa, (0.3kgf/cm2)	4.2 psi or more
At 3000 r/min	294-539 kPa, (3.0-5.5 kgf/cm2)	43-79 psi
Pistons
Diameter	81.975-81.993 mm	3.2274-3.2281 in
Piston-to-Cylinder Bore Clearance - Standard	0.007-0.038 mm	0.0003-0.0015 in
Piston-to-Cylinder Bore Clearance - Maximum	0.10 mm	0.0039 in
Ring End Gap - Lower Ring - Maximum	1.20 mm	0.0472 in
Ring End Gap - Lower Ring - Standard	0.35-0.50 mm	0.0138-0.0197 in
Ring End Gap - Oil Ring - Maximum	1.05 mm	0.0413 in
Ring End Gap - Oil Ring - Standard	0.15-0.40 mm	0.0059-0.0157 in
Ring End Gap - Top Ring - Maximum	1.05 mm	0.0413 in
Ring End Gap - Top Ring - Standard	0.25-0.35 mm	0.0098-0.0138 in
Ring Groove Clearance - Lower Compression Ring	0.030-0.070 mm	0.0012-0.0028 in
Ring Groove Clearance - Upper Compression Ring	0.020-0.070 mm	0.0009-0.0028 in
Valves
Guide Inside Diameter	5.510-5.530 mm	0.2169-0.2177 in
Head Angles for Refinishing - Seat Contact Surface	45 Degrees
Exhaust Valve Length - Minimum	111.3 mm	4.382 in
Exhaust Valve Length - Standard	111.7 mm	4.398 in
Intake Valve Length - Minimum	110.9 mm	4.382 in
Intake Valve Length - Standard	111.3 mm	4.382 in
Seat Contact Width	3.3 mm	0.130 in
Spring Deviation	1.6 mm	0.063 in
Spring Free Length - Exhaust	46.5 mm	1.831 in
Spring Free Length - Intake	46.4 mm	1.830 in
Stem Outside Diameter - Exhaust Valves	5.445-5.470 mm	0.2143-0.2153 in
Stem Outside Diameter - Intake Valves	5.460-5.475 mm	0.2150-0.2155 in
Stem-to-Guide Clearance - Exhaust Valves - Standard	0.030-0.073 mm	0.0011-0.0028 in
Stem-to-Guide Clearance - Exhaust Valves - Maximum	0.10 mm	0.0039 in
Stem-to-Guide Clearance - Intake Valves - Standard	0.025-0.058 mm	0.0010-0.0023 in
Stem-to-Guide Clearance - Intake Valves - Maximum	0.10 mm	0.0039 in
Valve Guides
Valve Guide Bushing Bore Diameter - Standard	10.538-10.556 mm	0.4149-0.4156 in
Valve Guide Bushing Bore Diameter - Maximum	10.556 mm	0.4156 in

Main Bearing Selection Formula

Cylinder Block Stamping + Crankshaft Journal Stamping =	0 - 2	3 - 5	6 - 8	9 - 11
Use Bearing Number	1	2	3	4

Main Bearing Selection Chart

Cylinder block Number mark	Crank shaft number mark
Cylinder block Number mark	0	1	2	3	4	5
0	1	1	1	2	2	2
1	1	1	2	2	2	3
2	1	2	2	2	3	3
3	2	2	2	3	3	3
4	2	2	3	3	3	4
5	2	3	3	3	4	4
6	3	3	3	4	4	4
EXAMPLE: Cylinder block "4", Crank shaft "3", Use Bearing "3"

Crankshaft Main Bearings

Items	Specification
Items	Metric	English
Cylinder Block Main Journal Bore Diameter (A)
Main Journal Bore Diameter - "0" Mark	52.000-52.003 mm	2.0472-2.0473 in
Main Journal Bore Diameter - "1" Mark	52.003-52.005 mm	2.0473-2.0474 in
Main Journal Bore Diameter - "2" Mark	52.005-52.007 mm	2.0474-2.0475 in
Main Journal Bore Diameter - "3" Mark	52.007-52.010 mm	2.0475-2.0476 in
Main Journal Bore Diameter - "4" Mark	52.010-52.012 mm	2.0476-2.0477 in
Main Journal Bore Diameter - "5" Mark	52.012-52.014 mm	2.0477-2.0478 in
Main Journal Bore Diameter - "6" Mark	52.014-52.016 mm	2.0478-2.0479 in
Crankshaft Main Journal Diameter (B)
Main Journal Diameter - "0" Mark	47.998-48.000 mm	1.8897-1.8898 in
Main Journal Diameter - "1" Mark	47.996-47.998 mm	1.8896-1.8897 in
Main Journal Diameter - "2" Mark	47.994-47.996 mm	1.8895-1.8896 in
Main Journal Diameter - "3" Mark	47.992-47.994 mm	1.8894-1.8895 in
Main Journal Diameter - "4" Mark	47.990-47.992 mm	1.8893-1.8894 in
Main Journal Diameter - "5" Mark	47.988-47.990 mm	1.8892-1.8893 in
Standard Bearing Center Wall Thickness - "1" Mark	1.993-1.996 mm	0.0785-0.0786 in
Standard Bearing Center Wall Thickness - "2" Mark	1.996-1.999 mm	0.0786-0.0787 in
Standard Bearing Center Wall Thickness - "3" Mark	1.999-2.002 mm	0.0787-0.0788 in
Standard Bearing Center Wall Thickness - "4" Mark	2.002-2.003 mm	0.0788-0.0789 in