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Engine Mechanical - 6.2l - Specifications Cadillac CTS II

Mechanical 5 illustrations

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Camshaft Position (CMP) Sensor Bolt12 N.m106 lb in
CMP Sensor Wire Harness Bolt12 N.m106 lb in
Camshaft Retainer Bolts - TORX® Head Bolts15 N.m11 lb ft
Camshaft Sprocket Bolt
First Pass75 N.m55 lb ft
Final Pass50 degrees
Clutch Pressure Plate Bolts - Manual Transmission70 N.m52 lb ft
Connecting Rod Bolts - First Pass20 N.m15 lb ft
Connecting Rod Bolts - Final Pass85 degrees
Coolant Air Bleed Pipe Bolts12 N.m106 lb in
Coolant Temperature Sensor20 N.m15 lb ft
Crankshaft Balancer Bolt - First Pass150 N.m111 lb ft
Crankshaft Balancer Bolt - Second Pass - Loosen Bolt360 degrees
Crankshaft Balancer Bolt - Third Pass50 N.m37 lb ft
Crankshaft Balancer Bolt - Final Pass230 degrees
Crankshaft Bearing Cap M8 Bolts25 N.m18 lb ft
Crankshaft Bearing Cap M10 Bolts - First Pass in Sequence20 N.m15 lb ft
Crankshaft Bearing Cap M10 Bolts - Final Pass in Sequence80 degrees
Crankshaft Bearing Cap M10 Studs - First Pass in Sequence20 N.m15 lb ft
Crankshaft Bearing Cap M10 Studs - Final Pass in Sequence51 degrees
Crankshaft Oil Deflector Nuts25 N.m18 lb ft
Crankshaft Position (CKP) Sensor Bolt25 N.m18 lb ft
Crankshaft Rear Oil Seal Housing Bolts30 N.m22 lb ft
Cylinder Head Coolant Plug20 N.m15 lb ft
Cylinder Head M11 Bolts - First Pass in Sequence50 N.m37 lb ft
Cylinder Head M11 Bolts - Second Pass in Sequence80 degrees
Cylinder Head M11 Bolts - Final Pass in Sequence55 degrees
Cylinder Head M8 Bolts - in Sequence30 N.m22 lb ft
Drive Belt Tensioner Bolt50 N.m37 lb ft
Engine Block Coolant Drain Hole Plug60 N.m44 lb ft
Engine Block Oil Gallery Plug60 N.m44 lb ft
Engine Mount Bracket to Engine Block Bolts60 N.m44 lb ft
Engine Mount Nut to Engine Mount Bracket - Do Not Reuse Nut100 N.m74 lb ft
Engine Mount Nut to Frame100 N.m74 lb ft
Engine Oil Cooler Coolant Fitting50 N.m37 lb ft
Engine Oil Cooler Coolant Hose Connector35 N.m26 lb ft
Engine Oil Cooler Core-to-Housing Bolts25 N.m18 lb ft
Engine Oil Cooler-to-Oil Pan M6 Bolts10 N.m89 lb in
Engine Oil Cooler-to-Oil Pan M8 Bolts25 N.m18 lb ft
Engine Oil Cooler Pipe Bolt25 N.m18 lb ft
Engine Oil Level Sensor13 N.m115 lb in
Engine Oil Pressure Switch35 N.m25 lb ft
Engine-to-Transmission or Clutch Housing Bolts50 N.m37 lb ft
Evaporative Emission (EVAP) Canister Purge Solenoid Valve Bolt10 N.m89 lb in
Exhaust Manifold Bolts - First Pass15 N.m11 lb ft
Exhaust Manifold Bolts - Final Pass20 N.m15 lb ft
Exhaust Manifold Heat Shield Bolt12 N.m106 lb in
Exhaust Manifold Stud20 N.m15 lb ft
Flex Plate-to-Torque Converter Bolts63 N.m46 lb ft
Flywheel/Flex Plate Bolts - First Pass20 N.m15 lb ft
Flywheel/Flex Plate Bolts - Second Pass50 N.m37 lb ft
Flywheel/Flex Plate Bolts - Final Pass100 N.m74 lb ft
Front Cover Bolts30 N.m22 lb ft
Fuel Injection Fuel Rail Bolt10 N.m89 lb in
Fuel Injection Fuel Rail Studs10 N.m89 lb in
Fuel Injector and Ignition Coil Wire Harness Bracket Bolt10 N.m89 lb in
Generator Bracket Bolts50 N.m37 lb ft
Ignition Coil -to-Valve Rocker Arm Cover Bolts12 N.m106 lb in
Inlet Air Temperature Sensor20 N.m15 lb ft
J 41798 M8 Bolt25 N.m18 lb ft
J 41798 M10 Bolts50 N.m37 lb ft
Knock Sensor Bolts25 N.m18 lb ft
Motor Mount Bracket Bolts50 N.m37 lb ft
Oil Filter30 N.m22 lb ft
Oil Filter Fitting55 N.m40 lb ft
Oil Pan Closeout Cover Bolt - Left Side9 N.m80 lb in
Oil Pan Closeout Cover Bolt - Right Side9 N.m80 lb in
Oil Pan Drain Plug25 N.m18 lb ft
Oil Pan M6 Bolts - Oil Pan-to-Rear Oil Seal Housing12 N.m106 lb in
Oil Pan M8 Bolts - Oil Pan-to-Engine Block and Oil Pan-to-Front Cover25 N.m18 lb ft
Oil Pressure Sensor35 N.m26 lb ft
Oil Pump Cover Bolts12 N.m106 lb in
Oil Pump-to-Engine Block Bolts25 N.m18 lb ft
Oil Pump Relief Valve Plug12 N.m106 lb in
Oil Pump Screen-to-Oil Pump Bolt12 N.m106 lb in
Piston Oil Nozzle Bolts20 N.m15 lb ft
Spark Plugs20 N.m15 lb ft
Supercharger Air Outlet Pressure Sensor Bolt10 N.m89 lb in
Supercharger Barometric Pressure Sensor Bolt10 N.m89 lb in
Supercharger Belt Idler Pulley Bolt50 N.m37 lb ft
Supercharger Belt Idler Pulley Bracket Bolt50 N.m37 lb ft
Supercharger Belt Tensioner Bolt50 N.m37 lb ft
Supercharger Bypass Valve Actuator Bolts25 N.m18 lb ft
Supercharger Charge Air Bypass Regulator Solenoid Bolt10 N.m89 lb in
Supercharger Inlet Air Pressure Sensor Bolt10 N.m89 lb in
Supercharger Charge Air Cooler-to-Cover Bolts10 N.m89 lb in
Supercharger Charge Air Cooler Outlet Pipe Bolts10 N.m89 lb in
Supercharger Charge Air Cooler Isolator Bolts5 N.m44 lb in
Supercharger - Lower - Manifold-to-Cylinder Head Bolts - First Pass in Sequence5 N.m44 lb in
Supercharger - Lower - Manifold-to-Cylinder Head Bolts - Final Pass in Sequence10 N.m89 lb in
Supercharger - Upper - Charge Air Cooler Cover Bolts - First Pass in Sequence5 N.m44 lb in
Supercharger - Upper - Charge Air Cooler Cover Bolts - Final Pass in Sequence10 N.m89 lb in
Throttle Body Bolts10 N.m89 lb in
Timing Chain Tensioner Bolts30 N.m22 lb ft
Valley Cover Bolts25 N.m18 lb ft
Valve Lifter Guide Bolts12 N.m106 lb in
Valve Rocker Arm Bolts30 N.m22 lb ft
Valve Rocker Arm Cover Bolts12 N.m106 lb in
Water Inlet Housing Bolts15 N.m11 lb ft
Water Pump Bolts - First Pass15 N.m11 lb ft
Water Pump Bolts - Final Pass30 N.m22 lb ft

Engine Mechanical Specifications

ApplicationSpecification
MetricEnglish
General
Engine TypeV8
Displacement6.2L376 CID
RPOLSA
VINP
Bore103.241-103.259 mm4.0065-4.0065 in
Stroke92.0 mm3.622 in
Compression Ratio9.1:1
Supercharger Boost Ratio10.1 :1
Firing Order1-8-7-2-6-5-4-3
Spark Plug Gap1.02 mm0.04 in
Block
Camshaft Bearing Bore 1 and 5 Diameter59.58-59.63 mm2.345-2.347 in
Camshaft Bearing Bore 2 and 4 Diameter59.08-59.13 mm2.325-2.327 in
Camshaft Bearing Bore 3 Diameter58.58-58.63 mm2.306-2.308 in
Crankshaft Main Bearing Bore Diameter69.871-69.889 mm2.75-2.751 in
Crankshaft Main Bearing Bore Out-of-Round0.006 mm0.0002 in
Cylinder Bore Diameter103.241-103.259 mm4.0065-4.0065 in
Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face234.57-234.82 mm9.235-9.245 in
Cylinder Head Deck Surface Flatness - Measured within a 152.4 mm (6.0 in) Area0.11 mm0.004 in
Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck0.22 mm0.008 in
Valve Lifter Bore Diameter21.417-21.443 mm0.843-0.844 in
Camshaft
Camshaft End Play0.025-0.305 mm0.001-0.012 in
Camshaft Journal Diameter54.990-55.015 mm2.165-2.166 in
Camshaft Bearing Diameter55.063-55.088 mm2.1678-2.1688 in
Camshaft Journal-to-Bearing Clearance0.048-0.098 mm0.0002-0.0038 in
Camshaft Journal Out-of-Round0.025 mm0.001 in
Camshaft Lobe Lift - Intake7.2 mm0.283 in
Camshaft Lobe Lift - Exhaust7.2 mm0.283 in
Camshaft Runout - Measured at the Intermediate Journals0.05 mm0.002 in
Connecting Rod
Connecting Rod Bearing Clearance - Production0.023-0.065 mm0.0009-0.0025 in
Connecting Rod Bearing Clearance - Service0.023-0.076 mm0.0009-0.003 in
Connecting Rod Bore Diameter - Bearing End56.505-56.525 mm2.224-2.225 in
Connecting Rod Bore Out-of-Round - Bearing End - Production0.004-0.008 mm0.00015-0.0003 in
Connecting Rod Bore Out-of-Round - Bearing End - Service0.004-0.008 mm0.00015-0.0003 in
Connecting Rod Side Clearance0.11-0.51 mm0.00433-0.02 in
Crankshaft
Connecting Rod Journal Diameter - Production53.318-53.338 mm2.0991-2.0999 in
Connecting Rod Journal Diameter - Service53.308 mm2.0987 in
Connecting Rod Journal Out-of-Round - Production0.005 mm0.0002 in
Connecting Rod Journal Out-of-Round - Service0.01 mm0.0004 in
Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Production0.005 mm0.0002 in
Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Service0.02 mm0.00078 in
Crankshaft End Play0.04-0.2 mm0.0015-0.0078 in
Crankshaft Main Bearing Clearance - Production0.02-0.052 mm0.0008-0.0021 in
Crankshaft Main Bearing Clearance - Service0.02-0.065 mm0.0008-0.0025 in
Crankshaft Main Journal Diameter - Production64.992-65.008 mm2.558-2.559 in
Crankshaft Main Journal Diameter - Service64.992 mm2.558 in
Crankshaft Main Journal Out-of-Round - Production0.003 mm0.000118 in
Crankshaft Main Journal Out-of-Round - Service0.008 mm0.0003 in
Crankshaft Main Journal Taper - Production0.01 mm0.0004 in
Crankshaft Main Journal Taper - Service0.02 mm0.00078 in
Crankshaft Rear Flange Runout0.05 mm0.002 in
Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth Diameter0.7 mm0.028 in
Crankshaft Thrust Surface - Production26.14-26.22 mm1.029-1.0315 in
Crankshaft Thrust Surface - Service26.22 mm1.0315 in
Crankshaft Thrust Surface Runout0.025 mm0.001 in
Cylinder Head
Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to Machining Pad Locations6.88-7.12 mm0.271-0.283 in
Surface Flatness - Block Deck - Measured within a 152.4 mm (6.0 in) Area0.08 mm0.003 in
Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head0.1 mm0.004 in
Surface Flatness - Exhaust Manifold Deck0.1 mm0.004 in
Surface Flatness - Intake Manifold Deck0.08 mm0.0031 in
Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide17.08-17.57 mm0.672-0.692 in
Lubrication System
Oil Capacity - with Filter5.7 liters6.0 quarts
Oil Capacity - without Filter5.2 liters5.5 quarts
Oil Pressure - Minimum - Hot41 kPa at 1,000 engine RPM 124 kPa at 2,000 engine RPM 165 kPa at 4,000 engine RPM6 psig at 1,000 engine RPM 18 psig at 2,000 engine RPM 24 psig at 4,000 engine RPM
Oil Pan
Front Cover Alignment - at Oil Pan Surface+0.0 to-0.5 mm+0.0 to -0.2 in
Crankshaft Rear Oil Seal Housing Alignment - at Oil Pan Surface+0.0 to-0.5 mm+0.0 to -0.2 in
Oil Pan Alignment - to Rear of Engine Block at Transmission Housing Mounting Surface+0.0 to-0.5 mm+0.0 to -0.2 in
Piston Rings
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production0.23-0.44 mm0.009-0.017 in
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service0.23-0.5 mm0.009-0.0196 in
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production0.44-0.7 mm0.017-0.027 in
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service0.44-0.76 mm0.0173-0.03 in
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production0.18-0.75 mm0.007-0.029 in
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service0.18-0.81 mm0.007-0.032 in
Piston Ring to Groove Clearance - First Compression Ring - Production0.04-0.085 mm0.00157-0.00335 in
Piston Ring to Groove Clearance - First Compression Ring - Service0.04-0.085 mm0.00157-0.00335 in
Piston Ring to Groove Clearance - Second Compression Ring - Production0.04-0.078 mm0.00157-0.0031 in
Piston Ring to Groove Clearance - Second Compression Ring - Service0.04-0.078 mm0.00157-0.0031 in
Piston Ring to Groove Clearance - Oil Control Ring - Production0.012-0.2 mm0.0005-0.0078 in
Piston Ring to Groove Clearance - Oil Control Ring - Service0.012-0.2 mm0.0005-0.0078 in
Pistons and Pins
Pin - Piston Pin Clearance to Piston Pin Bore - Production0.003-0.011 mm0.0001-0.0004 in
Pin - Piston Pin Clearance to Piston Pin Bore - Service0.002-0.015 mm0.0008-0.0006 in
Pin - Piston Pin Diameter24.997-25.0 mm0.984-0.0984 in
Pin - Piston Pin Fit in Connecting Rod Bore - Production0.007-0.02 mm0.00027-0.00078 in
Pin - Piston Pin Fit in Connecting Rod Bore - Service0.007-0.0022 mm0.00027-0.00086 in
Piston - Piston Diameter - Measured Over Skirt Coating103.235-103.258 mm4.064-4.065 in
Piston - Piston to Bore Clearance - Production0.036 to +0.016 mm0.0014 to +0.0006 in
Piston - Piston to Bore Clearance - Service Limit with Skirt Coating Worn Off0.71 mm0.0028 in
Valve System
Valves - Valve Face Angle45 degrees
Valves - Valve Face Width1.25 mm0.05 in
Valves - Valve LashNet Lash - No Adjustment
Valves -Valve Lift - Intake12.24 mm0.482 in
Valves - Valve Lift - Exhaust12.24 mm0.482 in
Valves - Valve Seat Angle45 degrees
Valves - Valve Seat Runout0.05 mm0.002 in
Valves - Valve Seat Width - Exhaust1.78 mm0.07 in
Valves - Valve Seat Width - Intake1.02 mm0.04 in
Valves - Valve Stem Diameter - Production7.955-7.976 mm0.313-0.314 in
Valves - Valve Stem Diameter - Service7.95 mm0.313 in
Valves - Stem-to-Guide Clearance - Production - Intake0.025-0.066 mm0.001-0.0026 in
Valves - Valve Stem-to-Guide Clearance - Service - Intake0.093 mm0.0037 in
Valves - Valve Stem-to-Guide Clearance - Production - Exhaust0.025-0.066 mm0.001-0.0026 in
Valves - Stem-to-Guide Clearance - Service - Exhaust0.093 mm0.0037 in
Rocker Arms - Rocker Arm Ratio1.70:1
Valve Springs - Valve Spring Free Length53.1-53.7 mm2.09-2.11 in
Valve Springs - Valve Spring Installed Height45.75 mm1.8 in
Valve Springs - Valve Spring Load - Closed400 N at 45.75 mm90 lb at 1.8 in
Valve Springs - Valve Spring Load - Open1175 N at 33.05 mm264 lb at 1.30 in

Engine Content Specifications

RPOVINDisplacementCamshaft Position (CMP) Actuator Control SystemActive Fuel Management Control SystemE85 CapableBlock Material
LSAP6.2LNoNoNoAluminum

Adhesives, Fluids, Lubricants, and Sealers

ApplicationType of MaterialGM Part Number
United StatesCanada
All Purpose Parts CleanerCleaner1237855388900920
Coolant Temperature Sensor ThreadsSealant1234600410953480
Crankshaft KeySealant9985969
Crankshaft Rear Cup PlugSealant8902129710953488
Engine Block Coolant Drain Hole PlugSealant1234600410953480
Engine Block Oil Gallery Plug - FrontThreadlock1234538210953489
Engine Block Oil Gallery Plug - SideSealant1234600410953480
Engine DegreaserCleaner12378482992878
Engine Oil5W-30 Oil - Synthetic12345610993193
Engine Oil Pressure Sensor ThreadsSealant1234600410953480
Engine Oil SupplementFluorescent Dye1234579510953470
Exhaust Manifold BoltsThreadlock1234549310953488
Flywheel BoltsThreadlock1234538210953489
Fuel Injection Fuel Rail BoltsThreadlock1234538210953489
Ignition Coil-to-Rocker Arm Cover BoltsThreadlock1234538210953489
Intake Air Temperature Sensor ThreadsSealant1234600410953480
Intake Manifold BoltsThreadlock1234538210953489
Oil Pan Surface at Front Cover and Rear HousingSealant1237852188901148
Supercharger Charge Air Cooler-to-Cover BoltsThreadlock1234538210953489
Supercharger-to-Cylinder Head BoltsThreadlock1234538210953489
Thread Repair Component CleanerCleaner1234613910953463
Thread Repair Component CleanerCleaner1237798110953463
Thread Repair Cutting OilLubricant1052864992881

Scheme 90

Scheme 90: Engine Block - Front/Rear Views
HoleThread SizeInsertDrillCounterbore ToolTapDriverDrill Depth - Maximum mm (in)Tap Depth - Maximum mm (in)
J 42385
1M8 x 1.2521020620720820922.5 (0.885)17.5 (0.688)
2M10 x 1.521521121221321427.5 (1.08)22.0 (0.866)
3M10 x 1.5215211212213214ThruThru
4M8 x 1.25210206207208209ThruThru
5M10 x 1.521521121221321425.0 (0.984)19.5 (0.767)
6M10 x 1.521521121221321432.5 (1.279)25.0 (0.984)
7M10 x 1.5215211212213214ThruThru
Bolt hole 6 is drilled and tapped for aluminum block applications only.

Engine Block - Front/Rear Views

Scheme 91

Scheme 91: Engine Block - Left/Right Side Views
HoleThread SizeInsertDrillCounterbore ToolTapDriverDrill Depth - Maximum mm (in)Tap Depth - Maximum mm (in)
J 42385
1M8 x 1.2521020620720820922.5 (0.885)17.5 (0.688)
2M6 x 1.020520120220320422.5 (0.885)15.0 (0.688)
3M8 x 1.2521020620720820928.5 (1.122)23.0 (0.905)
4M8 x 1.2521020620720820921.5 (0.846)16.0 (0.629)
5M10 x 1.2521521121221321429.0 (1.141)23.0 (0.905)
6M10 x 1.521521121221321427.0 (1.062)21.5 (0.846)
7M16 x 1.5N/AN/AN/AN/AN/AN/AN/A
8M11 x 2.0108105N/A10610769.0 (2.72)60.0 (2.36)

Engine Block - Left/Right Side Views

Scheme 92

Scheme 92: Engine Block - Top/Bottom Views
HoleThread SizeInsertDrillCounterbore ToolTapDriverDrill Depth - Maximum mm (in)Tap Depth - Maximum mm (in)
J 42385
1M8 x 1.2521020620720820922.5 (0.885)17.5 (0.688)
2M10 x 1.521521121221321442.5 (1.67)37.0 (1.45)
3M10 x 2.0104101N/A10210331.0 (1.22)25.5 (1.0)
4M10 x 2.0104101N/A10210353.5 (2.10)44.0 (1.73)
5M8 x 1.2521020620720820926.5 (1.043)19.0 (0.748)
6M10 x 1.5N/AN/AN/AN/AN/A61 (2.4)55 (2.17)
Bolt hole 2 has an 11.5 mm (0.452 in) counterbore included in the 42.5 mm (1.67 in) drill depth. Use sleeve J 42385-311 with the drill and tap. Bolt hole 3 has a 1.5 mm (0.059 in) counterbore included in the 31.0 mm (1.22 in) drill depth. Use sleeve J 42385-316 with the drill and tap. Bolt hole 4 has a 20.5 mm (0.807 in) counterbore included in the 53.5 mm (2.10 in) drill depth. Piston oil nozzle bolt holes (6) are not serviceable.

Engine Block - Top/Bottom Views

Scheme 93

Scheme 93: Cylinder Head - Top/End Views
HoleThread SizeInsertDrillCounterbore ToolTapDriverDrill Depth - Maximum mm (in)Tap Depth - Maximum mm (in)
J 42385
1M8 x 1.2521020620720820926.5 (1.04)19.0 (0.784)
2M6 x 1.020520120220320420.05 (0.789)16.05 (0.632)
3M10 x 1.521521121221321428.0 (1.10)20.0 (0.787)
4M6 x 1.020520120220320422.5 (0.885)15.0 (0.688)

Cylinder Head - Top/End Views

Scheme 94

Scheme 94: Cylinder Head - Intake/Exhaust Side Views
HoleThread SizeInsertDrillCounterbore ToolTapDriverDrill Depth - Maximum mm (in)Tap Depth - Maximum mm (in)
J 42385
1M6 x 1.0205201202203204ThruThru
2M10 x 1.521521121221321428.0 (1.10)20.0 (0.787)
3M8 x 1.2521020620720820921.0 (0.826)16.0 (0.629)
4M14 x 1.25N/AN/AN/AN/AN/AN/AN/A
5M12 x 1.5N/AN/AN/AN/AN/AN/AN/A

Cylinder Head - Intake/Exhaust Side Views