Home/Pontiac/Vibe/Pontiac Vibe II (2008-2010)/Repair manual/Mechanical/Engine Mechanical - 2.4L (Lax): Specifications

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Engine Mechanical - 2.4L (Lax): Specifications Pontiac Vibe II

Mechanical

Fastener Tightening Specifications

Application	Specification
Application	Metric	English
Air Cleaner Case LH Bolt	7.0 N.m	62 lb in
Balanceshaft Housing Bolt
1st	22 N.m	16 lb ft
2nd	Turn 90°
Battery Carrier Bolt	13 N.m	10 lb ft
Battery Clamp Bolt	3.5 N.m	31 lb in
Battery Clamp Nut	6.5 N.m	58 lb in
Camshaft Bolt
No. 1	30 N.m	22 lb ft
Other	9.0 N.m	80 lb in
Camshaft Position Sensor Bolt	9.0 N.m	80 lb in
Camshaft Timing Gear Assembly Bolt	54 N.m	40 lb ft
Camshaft Timing Gear or Sprocket Bolt	54 N.m	40 lb ft
Camshaft Timing Oil Control Valve Assembly Bolt	9.0 N.m	80 lb in
Chain Tensioner Plate Bolt	12 N.m	9 lb ft
Chain Tensioner Slipper Bolt	19 N.m	14 lb ft
Connecting Rod Cap Bolt
1st	25 N.m	18 lb ft
2nd	Turn 90°
Crankshaft Bearing cap Bolt
1st	20 N.m	15 lb ft
2nd	40 N.m	30 lb ft
3rd	Turn 90°
Crankshaft Position Sensor Bolt	9.0 N.m	80 lb in
Crankshaft Pulley Bolt	180 N.m	133 lb ft
Cylinder Head Cover Sub-Assembly Bolt
Bolt A	11 N.m	8 lb ft
Bolt B	14 N.m	10 lb ft
Nut	11 N.m	8 lb ft
Cylinder Head Sub-Assembly Bolt
1st	70 N.m	52 lb ft
2nd	Turn 90°
Drive Plate and Ring Sub-Assembly Bolt (For Automatic Transaxle)	98 N.m	72 lb ft
Drive Shaft Bearing Bracket Bolt	64 N.m	47 lb ft
Engine Mounting Insulator Sub-Assembly LH to Frame Bolt	52 N.m	38 lb ft
Engine Mounting Insulator Sub-Assembly LH to Engine Mounting Bracket Bolt	56 N.m	41 lb ft
Engine Mounting Insulator Sub-Assembly RH Bolt
Bolt A	52 N.m	38 lb ft
Bolt B	95 N.m	70 lb ft
Nut A	95 N.m	70 lb ft
Nut B	52 N.m	38 lb ft
Engine Oil Level Dipstick Guide Bolt	9.0 N.m	80 lb in
Engine Wire Harness Relay Block Bolt	8.4 N.m	74 lb in
Exhaust Manifold Converter Sub-Assembly Bolt	37 N.m	27 lb ft
Flywheel Sub-Assembly Bolt (For Manual Transaxle)	130 N.m	96 lb ft
Front Engine Mounting Insulator Sub-Assembly Bolt	73 N.m	53 lb ft
Ground Cable Bolt	8.4 N.m	74 lb in
Ground Cable Bolt (For Automatic Transaxle)	26 N.m	19 lb ft
Ground Cable Bolt (For Manual Transaxle)	13 N.m	10 lb ft
Idler Pulley Sub-Assembly Bolt	50 N.m	37 lb ft
Inlet Water Housing Drain Cock	13 N.m	10 lb ft
Inlet Water Housing Drain Cock Assembly	25 N.m	18 lb ft
No. 1 Chain Tensioner Assembly Bolt	9.0 N.m	80 lb in
No. 1 Chain Vibration Damper Bolt	9.0 N.m	80 lb in
No. 1 Engine Hanger Bolt	38 N.m	28 lb ft
No. 1 Oil Nozzle Sub-Assembly	7.0 N.m	62 lb in
No. 1 Straight Head Screw Plug	86 N.m	64 lb ft
No. 1 Taper Head Screw Plug	26 N.m	19 lb ft
No. 1 Water By-Pass Pipe Bolt	9.0 N.m	80 lb in
No. 2 Camshaft Bolt
No. 2	30 N.m	22 lb ft
Other	9.0 N.m	80 lb in
No. 2 Engine Hanger Bolt	38 N.m	28 lb ft
Oil Control Valve Filter	30 N.m	22 lb ft
Oil Filter Union	30 N.m	22 lb ft
Oil Pan Drain Plug	40 N.m	30 lb ft
Oil Pan Sub-Assembly Bolt	9.0 N.m	80 lb in
Oil Pump Drive Shaft Sprocket Bolt	30 N.m	22 lb ft
Radiator Reserve Tank Assembly Bolt	5.0 N.m	44 lb in
Radio Setting Condenser Bolt	10 N.m	7 lb ft
Rear Engine Mounting Insulator Sub-Assembly Bolt	65 N.m	48 lb ft
Stiffening Crankcase Assembly Bolt	24 N.m	18 lb ft
Stud Bolt (Cylinder Block)
Bolt A	22 N.m	16 lb ft
Bolt B	5.0 N.m	44 lb in
Bolt C	9.5 N.m	84 lb in
Bolt D	5.0 N.m	44 lb in
Stud Bolt (Cylinder Head)
Bolt A	5.0 N.m	44 lb in
Bolt B	5.0 N.m	44 lb in
Bolt C	9.5 N.m	87 lb in
Bolt D	9.5 N.m	87 lb in
Timing Chain Guide Bolt	9.0 N.m	80 lb in
Timing Chain or Belt Cover Sub-Assembly Bolt
Bolt A	9.0 N.m	80 lb in
Bolt B	25 N.m	18 lb ft
Bolt C	55 N.m	41 lb ft
Nut	11 N.m	8 lb ft
Timing Chain or Belt Cover Sub-Assembly Nut	22 N.m	16 lb ft
V-Ribbed Belt Pretensioner Assembly Bolt	60 N.m	44 lb ft
Ventilation Valve Sub-Assembly Bolt	19 N.m	14 lb ft

Engine Mechanical Specifications

Application	Specification
Application	Metric	English
Engine
Ignition Timing Standard
When Using Techstream	BTDC 8-12° at idle
When Not Using Techstream	BTDC 8-12° at idle (Connect terminals 13 (TC) and 4 (CG))
When Not Using Techstream	BTDC 8-15° at idle Remove terminals 13 (TC) and 4 (CG))
Engine Idling Speed Standard	600-700 rpm
Compression
Standard	1300 kPA (189 psi)
Minimum	1000 kPA (145 psi)
Difference between each cylinder	100 kPA (15 psi)
Camshaft
Valve Clearance Standard
Intake	0.19-0.29 mm	0.0075-0.0114 in
Exhaust	0.38-0.48 mm	0.0150-0.189 in
Thrust Clearance
Standard Intake	0.040-0.095 mm	0.0016-0.0037 in
Standard Exhaust	0.090-0.145 mm	0.0035-0.0057 in
Maximum Intake	0.110 mm	0.0043 in
Maximum Exhaust	0.150 mm	0.0059 in
Oil Clearance Standard
Camshaft No. 1 Journal Bearing Mark 1	0.007-0.038 mm	0.0003-0.0015 in
Camshaft No. 1 Journal Bearing Mark 2	0.008-0.038 mm	0.0003-0.0015 in
Camshaft No. 1 Journal Bearing Mark 3	0.008-0.038 mm	0.0003-0.0015 in
Camshaft Other Journals	0.025-0.062 mm	0.0010-0.0024 in
No. 2 Camshaft No. 1 Journal	0.040-0.072 mm	0.0016-0.0028 in
No. 2 Camshaft No. 1 Journals	0.025-0.062	0.0010-0.0024 in
Maximum - Intake	0.070 mm	0.0028 in
Maximum - Exhaust	0.100 mm	0.0039 in
Circle Runout - Maximum	0.03 mm	0.0012 in
Cam Lobe Height
Standard - Intake	47.306-47.406 mm	1.8624-1.8664 in
Standard - Exhaust	46.063-46.163 mm	1.8135-1.8174 in
Minimum - Intake	47.196 mm	1.8581 in
Minimum - Exhaust	45.953 mm	1.8092 in
Journal Diameter- Standard
No. 1	35.971-35.985 mm	1.4162-1.4167 in
Other	22.959-22.975 mm	0.9039-0.9045 in
Cylinder Head
Flatness Standard
Cylinder Block Side	0.08 mm	0.0031 in
Intake Manifold Side	0.08 mm	0.0031 in
Exhaust Manifold Side	0.08 mm	0.0031 in
Lifter Bore Diameter Standard	31.009-31.025 mm	1.2208-1.2215 in
Inner Compression Spring
Standard Length	47.43 mm	1.867 in
Maximum Deviation	1.6 mm	0.063 in
Intake Valve
Overall Standard Length	101.71 mm	4.0043 in
Overall Minimum Length	101.21 mm	3.9846 in
Standard Valve Stem Diameter	5.470-5.485 mm	0.2154-0.2159 in
Standard Margin Thickness	1.05-1.45 mm	0.0413-0.0571 in
Minimum Margin Thickness	0.50 mm	0.0197 in
Exhaust Valve
Overall Standard Length	101.15 mm	3.9823 in
Overall Minimum Length	100.70 mm	3.9646 in
Standard Valve Stem Diameter	5.465-5.480 mm	0.2152-0.2157 in
Standard Margin Thickness	1.20-1.60 mm	0.0472-0.0630 in
Minimum Margin Thickness	0.50 mm	0.0197 in
Intake Valve Guide Bush
Standard Inside Diameter	5.510-5.530 mm	0.2169-0.2177 in
Oil Clearance - Standard	0.025-0.060 mm	0.0010-0.0024 in
Oil Clearance - Maximum	0.090 mm	0.0035 in
Exhaust Valve Guide Bush
Standard Inside Diameter	5.510-5.530 mm	0.2169-0.2177 in
Oil Clearance - Standard	0.030-0.065 mm	0.0012-0.0026 in
Oil Clearance - Maximum	0.095 mm	0.0037 in
Valve Lifter
Standard Diameter	30.966-30.976 mm	1.2191-1.2195 in
Oil Clearance - Standard	0.033-0.059 mm	0.0013-0.0023
Oil Clearance - Maximum	0.079 mm	0.0031 in
Connecting Rod
Thrust Clearance - Standard	0.160-0.362 mm	0.0063-0.0143 in
Thrust Clearance - Maximum	0.362 mm	0.0143 in
Oil Clearance - Standard	0.024-0.048 mm	0.0009-0.0019 in
Oil Clearance - Maximum	0.063 mm	0.0025 in
Cylinder Block
Maximum Warpage	0.05 mm	0.0020 in
Standard Cylinder Bore Diameter	88.500-88.513 mm	3.4843-3.4847 in
Maximum Cylinder Bore Diameter	88.613 mm	3.4887 in
Piston
Standard Diameter	88.469-88.479 mm	3.4830-3.4834 in
Oil Clearance - Standard	0.021-0.044 mm	0.0008-0.0017 in
Oil Clearance - Maximum	0.10 mm	0.0039 in
Ring Groove Clearance Standard
No. 1	0.020-0.070 mm	0.0008-0.0028 in
No. 2	0.020-0.060 mm	0.0008-0.0024 in
Oil	0.020-0.070 mm	0.0008-0.0028 in
Piston Ring
End Gap Standard
No. 1	0.24-0.31 mm	0.0094-0.0122 in
No. 2	0.33-0.43 mm	0.0130-0.0169 in
Oil	0.10-0.30 mm	0.0040-0.0119 in
End Gap Maximum
No. 1	0.31 mm	0.0122 in
No. 2	0.43 mm	0.0169 in
Oil	0.30 mm	0.0118 in
Piston Pin
Oil Clearance - Standard (Piston pin x Piston pin bore)	0.001-0.007 mm	0.00004-0.00028 in
Oil Clearance - Maximum (Piston pin x Piston pin bore)	0.010 mm	0.0004 in
Oil Clearance - Standard (Piston pin x Connecting rod small end bore)	0.005-0.011 mm	0.0002-0.0004 in
Oil Clearance - Maximum (Piston pin x Connecting rod small end bore)	0.011 mm	0.0004 in
Connecting Rod Bolt
Standard Diameter	7.2-7.3 mm	0.283-0.287 in
Minimum Diameter	7.0 mm	0.276 in
Connecting Rod
Maximum Misalignment	0.05 per 100 mm	0.0020 per 3.94 in
Maximum Twist	0.05 per 100 mm	0.0020 per 3.94 in
Crankshaft
Maximun Circle Runout	0.03 mm	0.0012 in
Standard Main Journal Diameter	54.988-55.000 mm	2.1649-2.1654 in
Maximum Main Journal for Taper and Distortion	0.003 mm	0.0001 in
Standard Crank Pin Diameter	47.990-48.000 mm	1.8894-1.8898 in
Maximum Crank Pin for Taper and Distortion	0.003 mm	0.0001 in
Thrust Clearance - Standard	0.04-0.24 mm	0.0016-0.0095 in
Thrust Clearance - Maximum	0.30 mm	0.0118 in
Oil Clearance - Standard	0.017-0.040 mm	0.0007-0.0016 in
Oil Clearance - Maximum	0.060 mm	0.0024 in
Crankshaft Bearing Cap Set Bolt
Standard Diameter	7.5-7.6 mm	0.295-0.299 in
Minimum Diameter	7.5 mm	0.295 in
Balanceshaft
Thrust Clearance - Standard	0.05-0.09 mm	0.0020-0.0035 in
Thrust Clearance - Maximum	0.09 mm	0.0035 in
Oil Clearance - Standard	0.022-0.049 mm	0.0009-0.0019 in
Oil Clearance - Maximum	0.049 mm	0.0019 in
Balanceshaft Housing Bolt
Standard Length	58.3-59.7 mm	2.295-2.350 in
Maximum Length	60.3 mm	2.374 in
Chain Sub-Assembly
Maximum Elongation	114.5 mm	4.508 in
No. 2 Chain Sub-Assembly
Maximum Elongation	102.2 mm	4.024 in
Oil Pump Drive Gear
Minimum Diameter (with chain)	48.2 mm	1.898 in
Oil Pump Drive Shaft Gear
Minimum Diameter (with chain)	48.2 mm	1.898 in
Camshaft Timing Gear Assembly
Minimum Diameter (with chain)	97.3 mm	3.831 in
Camshaft Timing Gear or Sprocket
Minimum Diameter (with chain)	97.3 mm	3.831 in
Crankshaft Timing Gear or Sprocket
Minimum Diameter (with chain)	51.6 mm	2.031 in
Chain Tensioner Slipper
Maximum Wear	1.0 mm	0.039 in
No. 1 Chain Vibration Damper
Maximum Wear	1.0 mm	0.039 in
Chain Tensioner Plate
Maximum Wear	0.5 mm	0.020 in

See also:
• EMISSION APPLICATIONS