Hummer H1 (2006+). Manual - part 37

2-54

Engine

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Camshaft End Play - Service Limit 

• 0.2þmm

• 0.0079þin

Camshaft Journal Diameter - Service Limit 

• 60.92þmm

• 2.3984þin

Camshaft Journal Diameter - Production Value 

• 60.932-60.962þmm

• 2.3990-2.4001þin

Camshaft Lobe Lift - Exhaust - Production Value 

• 5.907þmm

• 0.2326þin

Camshaft Lobe Lift - Intake - Production Value 

• 7.273þmm

• 0.2863þin

Camshaft Runout - Service Limit 

• 0.05þmm

• 0.0020þin

Cooling System

Capacity @ Engine RPM 

• 270þL/min @ 3172þRPM

Thermostat Full Open Temperature 

• 110þdegreesþC

• 230þdegreesþF

Turbocharger Coolant Bypass Valve 

• 60þdegreesþC

• 140þdegreesþF

Connecting Rod

Connecting Rod Bearing Clearance - Service Limit 

• 0.10þmm

• 0.0039þin

Connecting Rod Bearing Clearance - Production Value 

• 0.036-0.077þmm

• 0.0014-0.0030þin

Connecting Rod Bore Diameter - Bearing End - Production Value 

• 62.958-62.979þmm

• 2.4789-2.4795þin

10-1-08

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 Engine  2-55

5745804

Connecting Rod Bore Diameter - Pin End - Service Limit 

• 34.53þmm

• 1.3594þin

Connecting Rod Bore Diameter - Pin End - Production Value 

• 34.512-34.522þmm

• 1.3587-1.3591þin

Connecting Rod Length 

• 163.0þmm

• 6.42þin

Connecting Rod Side Clearance - Service Limit 

• 0.54þmm

• 0.0213þin

Connecting Rod Side Clearance - Production Value 

• 0.31-0.49þmm

• 0.0122-0.0193þin

Crankshaft

Connecting Rod Journal Diameter - Service Limit 

• 62.88þmm

• 2.4756þin

Connecting Rod Journal Diameter - Production Value 

• 62.902-62.922þmm

• 2.4764-2.4772þin

Crankshaft End Play - Service Limit 

• 0.54þmm

• 0.0213þin

Crankshaft End Play - Production Value 

• 0.04-0.205þmm

• 0.0016-0.0081þin

Crankshaft Main Bearing Clearance - Service Limit 

• 0.014þmm

• 0.0055þin

Crankshaft Main Bearing Clearance - Production Value 

• 0.039-0.070þmm

• 0.0015-0.0028þin

Crankshaft Main Journal Diameter - Service Limit 

• 79.89þmm

• 3.1453þin

10-1-08

2-56

Engine

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Crankshaft Main Journal Diameter - Production Value 

• 79.905-79.925þmm

• 3.1459-3.1466þin

Crankshaft Runout - Service Limit 

• 0.44þmm

• 0.0173þin

Crankshaft Runout - Production Value 

• 0.05þmm

• 0.0020þin

Cylinder Head

Surface Flatness - Block Deck - Service Limit 

• 0.2þmm

• 0.0079þin

Surface Flatness - Block Deck - Production Value 

• 0.075þmm

• 0.0030þin

Surface Flatness - Exhaust Manifold Deck - Production Value 

• 0.1þmm

• 0.0039þin

Surface Flatness - Intake Manifold Deck - Production Value 

• 0.1þmm

• 0.0039þin

Exhaust Manifold

Surface Flatness- Production Value 

• 0.3þmm

• 0.0118þin

Intake Manifold

Surface Flatness - Production Value 

• 0.3þmm

• 0.0118þin

Lubrication System

Oil Capacity - with Filter 

• 12.25þqt

• 11.6þL

Oil Capacity - without Filter 

• 10.5þqt

• 9.9þL

10-1-08

______________________________________________________________________

 Engine  2-57

5745804

Oil Pressure - Minimum- Hot - at idle 

• 8þKPa

• 14þpsi

Oil Pressure - Minimum - 1800þRPM 

• 294þKPa

• 42þpsi

Oil Relief Valve Opening Pressure 

• 441þKPa

• 64þpsi

Piston Cooling Jet Valve Opening Pressure 

• 196þKPa

• 29þpsi

Oil Pump

Gear Shaft Outside Diameter - Drive - Service Limit 

• 19.86þmm

• 0.7819þin

Gear Shaft Outside Diameter - Drive - Production Value 

• 19.947-19.960þmm

• 0.7853-0.7858þin

Gear Shaft Outside Diameter - Driven - Service Limit 

• 19.86þmm

• 0.7819þin

Gear Shaft Outside Diameter - Driven - Production Value 

• 19.947-19.960þmm

• 0.7853-0.7858þin

Gear Shaft-to-Bushing - Service Limit Clearance 

• 0.14þmm

• 0.0055þin

Gear-to-Cover Clearance - Drive/Driven - Service Limit 

• 0.109þmm

• 0.0043þin

Gear-to-Cover Clearance - Drive/Driven - Production Value 

• 0.064-0.109þmm

• 0.0025-0.0043þin

Gear-to-Housing Clearance - Drive/Driven - Service Limit 

• 0.22þmm

• 0.0087þin

10-1-08