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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1765 (ENGINE MECHANICAL - 5.3L)SPECIFICATIONSENGINE MECHANICAL SPECIFICATIONS
2004 Oldsmobile Bravada AWD

Engine Mechanical Specifications

2004 Oldsmobile Bravada AWDSECTION Engine Mechanical Specifications
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Engine Mechanical Specifications

Application Specification
Metric English
General
  • Engine Type
 V8
  • Displacement
 5.3L 325 CID
  • RPO
 LH6
  • VIN
 M
  • Bore
 96.0-96.018 mm 3.779-3.78 in
  • Stroke
 92.0 mm 3.622 in
  • Compression Ratio
 9.95:1
  • Firing Order
 1-8-7-2-6-5-4-3
  • Displacement-on-Demand Cylinders
 1-4-6-7
  • Spark Plug Gap
 1.02 mm 0.04 in
Block
  • Camshaft Bearing Bore 1 and 5 Diameter
 59.58-59.63 mm 2.345-2.347 in
  • Camshaft Bearing Bore 2 and 4 Diameter
 59.08-59.13 mm 2.325-2.327 in
  • Camshaft Bearing Bore 3 Diameter
 58.58-58.63 mm 2.306-2.308 in
  • Crankshaft Main Bearing Bore Diameter
 69.871-69.889 mm 2.75-2.751 in
  • Crankshaft Main Bearing Bore Out-of-Round
 0.006 mm 0.0002 in
  • Cylinder Bore Diameter
 96.0-96.018 mm 3.779-3.78 in
  • Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face
 234.57-234.82 mm 9.235-9.245 in
  • Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm (6.0 in) Area
 0.11 mm 0.004 in
  • Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck
 0.22 mm 0.008 in
  • Valve Lifter Bore Diameter
 21.417-21.443 mm 0.843-0.844 in
Camshaft
  • Camshaft End Play
 0.025-0.305 mm 0.001-0.012 in
  • Camshaft Journal Diameter
 54.99-55.04 mm 2.164-2.166 in
  • Camshaft Journal Out-of-Round
 0.025 mm 0.001 in
  • Camshaft Lobe Lift - Intake - Non Displacement-on-Demand Cylinders
 7.20 mm 0.283 in
  • Camshaft Lobe Lift - Intake - Displacement-on-Demand Cylinders
 7.33 mm 0.289 in
  • Camshaft Lobe Lift - Exhaust - Non Displacement-on-Demand Cylinders
 7.20 mm 0.283 in
  • Camshaft Lobe Lift - Exhaust - Displacement-on-Demand Cylinders
 7.33 mm 0.289 in
  • Camshaft Runout - Measured at the Intermediate Journals
 0.05 mm 0.002 in
Connecting Rod
  • Connecting Rod Bearing Clearance - Production
 0.023-0.065 mm 0.0009-0.0025 in
  • Connecting Rod Bearing Clearance - Service
 0.023-0.076 mm 0.0009-0.003 in
  • Connecting Rod Bore Diameter - Bearing End
 56.505-56.525 mm 2.224-2.225 in
  • Connecting Rod Bore Out-of-Round - Bearing End - Production
 0.004-0.008 mm 0.00015-0.0003 in
  • Connecting Rod Bore Out-of-Round - Bearing End - Service
 0.004-0.008 mm 0.00015-0.0003 in
  • Connecting Rod Side Clearance
 0.11-0.51 mm 0.00433-0.02 in
Crankshaft
  • Connecting Rod Journal Diameter - Production
 53.318-53.338 mm 2.0991-2.0999 in
  • Connecting Rod Journal Diameter - Service
 53.308 mm 2.0987 in
  • Connecting Rod Journal Out-of-Round - Production
 0.005 mm 0.0002 in
  • Connecting Rod Journal Out-of-Round - Service
 0.01 mm 0.0004 in
  • Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Production
 0.005 mm 0.0002 in
  • Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length - Service
 0.02 mm 0.00078 in
  • Crankshaft End Play
 0.04-0.2 mm 0.0015-0.0078 in
  • Crankshaft Main Bearing Clearance - Production
 0.02-0.052 mm 0.0008-0.0021 in
  • Crankshaft Main Bearing Clearance - Service
 0.02-0.065 mm 0.0008-0.0025 in
  • Crankshaft Main Journal Diameter - Production
 64.992-65.008 mm 2.558-2.559 in
  • Crankshaft Main Journal Diameter - Service
 64.992 mm 2.558 in
  • Crankshaft Main Journal Out-of-Round - Production
 0.003 mm 0.000118 in
  • Crankshaft Main Journal Out-of-Round - Service
 0.008 mm 0.0003 in
  • Crankshaft Main Journal Taper - Production
 0.01 mm 0.0004 in
  • Crankshaft Main Journal Taper - Service
 0.02 mm 0.00078 in
  • Crankshaft Rear Flange Runout
 0.05 mm 0.002 in
  • Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth Diameter
 0.7 mm 0.028 in
  • Crankshaft Thrust Surface - Production
 26.14-26.22 mm 1.029-1.0315 in
  • Crankshaft Thrust Surface - Service
 26.22 mm 1.0315 in
  • Crankshaft Thrust Surface Runout
 0.025 mm 0.001 in
Cylinder Head
  • Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface
 120.2 mm 4.732 in
  • Surface Flatness - Block Deck - Measured Within a 152.4 mm (6.0 in) Area
 0.08 mm 0.003 in
  • Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head
 0.1 mm 0.004 in
  • Surface Flatness - Exhaust Manifold Deck
 0.13 mm 0.005 in
  • Surface Flatness - Intake Manifold Deck
 0.08 mm 0.0031 in
  • Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide
 17.32 mm 0.682 in
Intake Manifold
  • Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 in) Area that Includes Two Runner Port Openings
 0.3 mm 0.118 in
Lubrication System
  • Oil Capacity - with Filter
 5.68 liters 6.0 quarts
  • Oil Capacity - without Filter
 5.20 liters 5.5 quarts
  • Oil Pressure - Minimum - Hot
 41 kPa at 1, 000 engine RPM
124 kPa at 2, 000 engine RPM
165 kPa at 4, 000 engine RPM		 6 psig at 1, 000 engine RPM
18 psig at 2, 000 engine RPM
24 psig at 4, 000 engine RPM
  • Displacement-on-Demand Relief Valve Oil Pressure - as Measured at Oil Pressure Sensor Location
 379-517 kPa Maximum 55-75 psig Maximum
Oil Pan
  • Front Cover Alignment - at Oil Pan Surface
 0.0-0.5 mm 0.0-0.02 in
  • Crankshaft Rear Oil Seal Housing Alignment - at Oil Pan Surface
 0.0-0.5 mm 0.0-0.02 in
  • Oil Pan Alignment - to Rear of Engine Block at Transmission Bell Housing Mounting Surface
 0.0-0.25 mm 0.0-0.01 in
Piston Rings
  • Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production
 0.23-0.44 mm 0.009-0.017 in
  • Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service
 0.23-0.5 mm 0.009-0.0196 in
  • Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production
 0.44-0.7 mm 0.017-0.027 in
  • Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service
 0.44-0.76 mm 0.0173-0.03 in
  • Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production
 0.18-0.75 mm 0.007-0.029 in
  • Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service
 0.18-0.81 mm 0.007-0.032 in
  • Piston Ring-to-Groove Clearance - First Compression Ring - Production
 0.04-0.085 mm 0.00157-0.00335 in
  • Piston Ring-to-Groove Clearance - First Compression Ring - Service
 0.04-0.085 mm 0.00157-0.00335 in
  • Piston Ring-to-Groove Clearance - Second Compression Ring - Production
 0.04-0.078 mm 0.00157-0.0031 in
  • Piston Ring-to-Groove Clearance - Second Compression Ring - Service
 0.04-0.078 mm 0.00157-0.0031 in
  • Piston Ring-to-Groove Clearance - Oil Control Ring - Production
 0.012-0.2 mm 0.0005-0.0078 in
  • Piston Ring-to-Groove Clearance - Oil Control Ring - Service
 0.012-0.2 mm 0.0005-0.0078 in
Pistons and Pins
  • Pin - Piston Pin Clearance-to-Piston Pin Bore - Production
 0.002-0.01 mm 0.00008-0.0004 in
  • Pin - Piston Pin Clearance-to-Piston Pin Bore - Service
 0.002-0.015 mm 0.00008-0.0006 in
  • Pin - Piston Pin Diameter
 23.952-23.955 mm 0.943-0.943 in
  • Pin - Piston Pin Fit in Connecting Rod Bore - Production
 0.007-0.02 mm 0.00027-0.00078 in
  • Pin - Piston Pin Fit in Connecting Rod Bore - Service
 0.007-0.022 mm 0.00027-0.00086 in
  • Piston - Piston Diameter - Measured Over Skirt Coating
 96.002-96.036 mm 3.779-3.78 in
  • Piston - Piston-to-Bore Clearance - Production
 -0.036 to +0.016 mm -0.0014 to +0.0006 in
  • Piston - Piston-to-Bore Clearance - Service Limit with Skirt Coating Worn Off
 0.071 mm 0.0028 in
Valve System
  • Valves - Valve Face Angle
 45 degrees
  • Valves - Valve Face Width
 1.25 mm 0.05 in
  • Valves - Valve Lash
 Net Lash - No Adjustment
  • Valve Lift - Intake - Non Displacement on Demand
 12.24 mm 0.482 in
  • Valve Lift - Intake - Displacement on Demand
 12.41 mm 0.489 in
  • Valve Lift - Exhaust - Non Displacement on Demand
 12.24 mm 0.482 in
  • Valve Lift - Exhaust - Displacement on Demand
 12.41 mm 0.489 in
  • Valves - Valve Seat Angle
 46 degrees
  • Valves - Valve Seat Runout
 0.05 mm 0.002 in
  • Valves - Valve Seat Width - Exhaust
 1.78 mm 0.07 in
  • Valves - Seat Width - Intake
 1.02 mm 0.04 in
  • Valves - Valve Stem Diameter - Production
 7.955-7.976 mm 0.313-0.314 in
  • Valves - Valve Stem Diameter - Service
 7.95 mm 0.313 in
  • Valves - Valve Stem-to-Guide Clearance - Production - Intake
 0.025-0.066 mm 0.001-0.0026 in
  • Valves - Valve Stem-to-Guide Clearance - Service - Intake
 0.093 mm 0.0037 in
  • Valves - Valve Stem-to-Guide Clearance - Production - Exhaust
 0.025-0.066 mm 0.001-0.0026 in
  • Valves - Valve Stem-to-Guide Clearance - Service - Exhaust
 0.093 mm 0.0037 in
  • Rocker Arms - Valve Rocker Arm Ratio
 1.70:1
  • Valve Springs - Valve Spring Free Length
 52.9 mm 2.08 in
  • Valve Springs - Valve Spring Installed Height
 45.75 mm 1.8 in
  • Valve Springs - Valve Spring Load - Closed
 340 N at 45.75 mm 76 lb at 1.8 in
  • Valve Springs - Valve Spring Load - Open
 980 N at 33.55 mm 220 lb at 1.32 in
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.