Home ReviewsRefund
Home/Chevrolet/Silverado 2500/Chevrolet Silverado 2500 (2000-2004)/Repair manual/Mechanical/Engine Mechanical - 6.6L V8 Diesel: Specifications
Contents Wiring diagrams Section: Mechanical All sections

Engine Mechanical - 6.6L V8 Diesel: Specifications Chevrolet Silverado 2500

Mechanical 4 illustrations ~115 words

Crankcase Capacity

Crankcase capacity is 10 qts. (9.5L) including oil filter change or 9.2 qts. (8.7L) not including oil filter.

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
A/C Compressor Bolt37 (50)
Bypass Pipe Bolt15 (21)
Camshaft Gear Bolt173 (234)
Camshaft Thrust Plate Bolt16 (22)
Connecting Rod Cap Bolt (Angular Tightening Method)
1st Step47 (64)
2nd StepTighten Additional 30°
3rd StepTighten Additional 30°
Coolant Pipe-To-Water Pump Nut18 (25)
Cooling Fan Pulley30 (41)
Crankshaft Balancer Bolt260 (353)
Cylinder Head M12 Bolt (Angular Tightening Method) (1)
1st Step37 (50)
2nd Step59 (80)
3rd StepTighten Additional 60°
4th StepTighten Additional 60°
Cylinder Head M8 Bolt (1)18 (25)
Drive Belt Tensioner Pulley Bolt30 (41)
EGR Bolt (California Emissions)15 (20)
EGR Bracket Bolt (California Emissions)15 (20)
EGR Valve Nut (California Emissions)14 (19)
Engine Block Coolant Plug13 (18)
Engine Block Ground Bolt25 (34)
Engine Mount-To-Block Bolt43 (58)
Exhaust Manifold Bolt/Nut (2)28 (38)
Exhaust Outlet Pipe Bolt39 (53)
Exhaust Pipe Bolt39 (53)
Exhaust Pipe Bracket Bolt25 (34)
Fan Pulley Bracket Bolt34 (46)
Flywheel Bolt (Angular Tightening Method) (3)
1st Step58 (79)
2nd StepTighten Additional 60°
3rd StepTighten Additional 60°
Flywheel Housing Bolt (Black Circle Mark)67 (90)
Flywheel Housing-To-Upper Oil Pan Bolts (Black Triangle Mark)37 (50)
Front Engine Cover Bolt15 (21)
Fuel Block Bolt18 (25)
Fuel Filter Bracket Bolt15 (21)
Fuel Injection Control Module Bolt15 (20)
Fuel Injection Control Module Bracket Bolt15 (21)
Fuel Injection Control Module Connector Bracket Bolt15 (21)
Fuel Injection Control Module Cooler Eye Bolt20 (27)
Fuel Injection Pipe Nut30 (41)
Fuel Inlet Pipe Bracket Bolt15 (21)
Fuel Pipes Bracket Bolt15 (21)
Fuel Rail Assembly Bolt18 (25)
Fuel Rail Connector33 (45)
Fuel Return Eye Bolt (Cylinder Head Side)12 (17)
Fuel Return Eye Bolt (Injector Side)12 (16)
Fuel Return Pipe Sleeve Nut30 (41)
Fuel Return Sleeve Unit30 (41)
Fuel Injection Pump Assembly-To-Cylinder Block Bolt15 (21)
Fuel Injection Pump-To-Bracket Bolt15 (21)
Fuel Injection Pump Drive Gear Nut52 (70)
Fuel Temperature Sensor Eye Bolt11 (15)
Function Block Nut18 (25)
Function Block-To-Injection Pipe Nut30 (41)
Generator Bracket Bolt37 (50)
Glow Plug13 (18)
Glow Plug Power Feed Nut11 (15)
Glow Plug Relay Assembly Bolt18 (25)
Heater Pipe Bolt15 (21)
Idle Pulley Bolt/Screw27 (37)
Injector Bracket Bolt37 (50)
Intake Air Heater37 (50)
Intake Manifold Bolt/Nut15 (21)
Oil Cooler Adapter Bolt15 (21)
Oil Cooler Adapter Nut18 (25)
Oil Cooler Assembly Bolt18 (25)
Oil Drain Plug62 (84)
Oil Fill Tube Bolt15 (21)
Oil filter18 (24)
Oil Gallery Plug39 (53)
Oil Level Indicator Tube Bolt15 (21)
Oil Pan Bolt (Upper)15 (20)
Oil Pressure Sensor Adapter Eye Bolt28 (38)
Oil Pressure Sensor Unit22 (30)
Oil Pressure Relief Valve29 (39)
Oil Pump Bolt15 (21)
Oil Pump Driven Gear Nut74 (100)
Oil Pump Gear Cover Bolt15 (21)
Oil Strainer Bolts/Nut18 (25)
Piston Cooling Nozzle Eye Bolt15 (21)
Power Steering Pump Bolt37 (50)
Power Steering Pump Bracket Bolt34 (46)
Rocker Arm Shaft Bracket Bolt30 (41)
Starter Motor Bolt58 (78)
Thermostat Housing Bolt/Nut18 (25)
Thermostat Cover Bolt15 (21)
Turbocharger Bolt80 (108)
Turbocharger Coolant Outlet Pipe Bracket Bolt15 (21)
Turbocharger Oil Supply Hose Eye Bolt25 (34)
Turbocharger Oil Return Pipe Bolts/Nut15 (21)
Turbocharger Thermostatic Coolant Valve44 (60)
Upper Oil Pan-To-Flywheel Housing Screw15 (20)
Vacuum Pump Nut (California Emissions)16 (22)
Valve Adjusting Screw Nut16 (22)
Water Outlet Bolt18 (25)
Water Pump Bolt15 (21)
INCH Lbs. (N.m)
Camshaft Position Sensor Bolt89 (10)
Camshaft Position Sensor Exciter Ring Bolt80 (9)
Crankshaft Position Sensor Bolt89 (10)
Crankshaft Position Sensor Spacer Bolt89 (10)
Exhaust Manifold Heat Shield Bolt71 (8)
Exhaust Outlet Heat Shield Bolt71 (8)
Exhaust Pipe Heat Shield Bolt71 (8)
Fuel Injection Control Module Connector Bolt89 (10)
Glow Plug Connector Nut18 (2)
Injector Harness Bracket Bolt80 (9)
Injector Terminal Nut18 (2)
Injector Pipe Lock Plate Screw35 (4)
Intake Manifold Tube Bolt/Nut80 (9)
Oil Cooler Adapter Stud89 (10)
Oil Level Sensor Bolt89 (10)
Oil Pan Bolt/Nut (Lower) (4)89 (10)
Positive Crankcase Ventilation Cover Screw35 (4)
Turbocharger Boost Sensor Bolt89 (10)
Turbocharger Heat Shield Bolt80 (9)
Turbocharger Inlet Duct-To-Turbocharger Bolt80 (9)
Turbocharger Oil Return Pipe Stud89 (10)
Valve Lifter Hold-Down Bracket Bolt97 (11)
Valve Rocker Arm Cover Bolt (Lower) (5)89 (10)
Valve Rocker Arm Cover Bolt (Upper)
1st Step71 (8)
2nd Step71 (8)
(1) Tighten in sequence. see scheme 9 (2) Tighten in sequence. (Scheme 1) (3) Tighten in sequence. (Scheme 2) (4) Tighten in sequence. (Scheme 4) (5) Tighten in sequence. (Scheme 3)
(1)Tighten in sequence. see scheme 9
(2)Tighten in sequence. (Scheme 1)
(3)Tighten in sequence. (Scheme 2)
(4)Tighten in sequence. (Scheme 4)
(5)Tighten in sequence. (Scheme 3)

TORQUE SPECIFICATIONS

Scheme 1

Scheme 1
Scheme 1

Scheme 2

Scheme 2
Scheme 2

Scheme 3

Scheme 3
Scheme 3

Scheme 4

Scheme 4
Scheme 4

GENERAL SPECIFICATIONS

ApplicationSpecification
Displacement402 CID (6.6L)
Bore4.06" (103 mm)
Stroke3.90" (99 mm)
Compression Ratio17.5:1
Fuel SystemHigh Pressurized Direct Injection
Idle Speed600 RPM
Compression Pressure300 psi (2069 kPa)
Fuel InjectionHigh Pressurized Direct Injection
Maximum Pressure23,206 psi
Air Intake SystemTurbocharged, Charge Air Cooled
Oil Pump TypeGear
Oil Pressure42 psi @ 1800 RPM
Oil Pressure @ Engine Operating Temperature14 psi @ Idle
Oil Capacity
With Filter Change10 Qts. (9.5L)
Without Filter Change9.2 Qts. (8.7L)
Oil Filter TypeFull-Flow Disposable

GENERAL SPECIFICATIONS

CRANKSHAFT, MAIN BEARINGS & CONNECTING ROD BEARINGS SPECIFICATIONS

ApplicationIn. (mm)
Crankshaft Bearing Clearance
Standard.0015-.0028 (.037-.072)
Service Limit.0055 (.014)
Crankshaft End Play
Standard.0016-.0081 (.04-.205)
Service Limit.0213 (.54)
Crankshaft Journal Diameter (Main)
Standard3.1459-3.1466 (79.905-79.925)
Service Limit3.1453 (79.89)
Crankshaft Runout
Standard.0020 (.05)
Service Limit.0173 (.44)
Connecting Rod Bearings Clearance
Standard.0014-.0030 (.036-.077)
Service Limit.0039 (.10)
Connecting Rod Side Clearance
Standard.0122-.0193 (.31-.49)
Side Clearance.0213 (.54)
Connecting Rod Bearing I.D.2.4789-2.4795 (62.958-62.979)

CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS

PISTONS, PISTON PINS & PISTON RINGS SPECIFICATIONS

ApplicationIn. (mm)
Piston
Diameter (1)102.948-102.960 (4.0531-4.0535)
Pin Bore Diameter1.3584-1.3587 (34.504-34.512)
Small End Clearance.1969 (5)
Piston Pins
Clearance In Pistons
Standard.0002-.0007 (.004-.017)
Service Limit.0007 (.017)
Pin Diameter
Standard1.3581-1.3583 (34.495-34.5)
Service Limit1.3563 (34.45)
Piston Rings
Compression Ring Gap
Standard.0118-.0177 (.30-.45)
Service Limit.054 (1.37)
No. 2 Ring Gap
Standard.0197-.0256 (.50-.65)
Service Limit.053 (1.35)
Oil Ring Gap
Standard.0059-.0138 (.15-.35)
Service Limit.047 (1.20)
(1) Measured .866" (22 mm) from bottom of piston.
(1)Measured .866" (22 mm) from bottom of piston.

PISTONS, PINS & RINGS

CYLINDER BLOCK SPECIFICATIONS

ApplicationIn. (mm)
Cylinder Bore
Diameter
Standard4.0551-4.0557 (103.0-103.014)
Service Limits4.0594 (103.11)
Maximum Taper.0006 (.015)
Maximum Out-Of-Round.0006 (.015)

CYLINDER BLOCK

ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS

ApplicationSpecification
Valves
Intake
Face Angle45°
Head Diameter1.30" (33 mm)
Margin.0472" (1.2 mm)
Stem Diameter.28" (7.0 mm)
Exhaust
Face Angle45°
Head Diameter1.22" (31 mm)
Margin.0394" (1.0 mm)
Stem Diameter.28" (7.0 mm)
Valve Springs
Installed Height1.61" (41.0 mm)
Out-Of-Square.0787" (2.00 mm)
Lbs. @ In. (kg @ mm)
Pressure
Valve Closed61.8 @ 1.61 (28 @ 41.0)
Valve Open68.8 @ 1.61 (31 @ 41.0)

VALVES & VALVE SPRINGS

CYLINDER HEAD SPECIFICATIONS

ApplicationSpecification
Maximum Warpage (1)
Cylinder Block Side
Standard.0030" (.075 mm)
Service Limit.0079" (.2 mm)
Exhaust Side
Standard.0039" (.1 mm)
Intake Side
Standard.0039" (.1 mm)
Valve Guides
Intake
Diameter
Standard.2755-.2762" (7.000-7.015 mm)
Service Limit.2791" (7.09 mm)
Exhaust
Diameter
Standard.2755-.2762" (7.000-7.015 mm)
Service Limit.2819" (7.16 mm)
Valve Seats46°
(1) DO NOT resurface cylinder head.
(1)DO NOT resurface cylinder head.

CYLINDER HEAD

CAMSHAFT SPECIFICATIONS

ApplicationIn. (mm)
End Play
Standard.0020-.0045 (.050-.114)
Service Limit.008 (.20)
Journal Diameter
Standard2.3990-2.4001 (60.932-60.962)
Service Limit2.3984 (60.92)
Camshaft Bearing I.D.
Standard2.4016-2.4028 (61.00-61.03)
Service Limit2.4043 (61.07)
Lobe Lift
Exhaust.2326 (5.907)
Intake.2683 (7.273)
Runout Service Limit.002 (.05)

CAMSHAFT

OIL PUMP SPECIFICATIONS

ApplicationIn. (mm)
Gear Teeth-To-Housing Clearance
Standard.0049-.0087 (.125-.221)
Service Limit.009 (.22)
Gear-To-Cover Clearance
Standard.0025-.0043 (.064-.109)
Service Limit.004 (.10)
Gear Shaft-To-Bushing
Service Clearance Limit.0055 (.140)
Drive Gear Shaft Outside Diameter
Standard.7853-.7858 (19.947-19.960)
Service Limit.7819 (19.86)

OIL PUMP

ROLLER LIFTER & PUSHROD SPECIFICATIONS

ApplicationIn. (mm)
Roller Lifter Roller Projection
Standard.0389-.0394 (.989-1.0)
Service Limit.0354 (.9)
Pushrod Bent ConditionLess than .0315 (.8)

ROLLER LIFTER & PUSHROD

TURBOCHARGER SPECIFICATIONS

ApplicationSpecification
Axial Play.0043 (.11)
Radial Play.0079 (.2)
ManufacturerIshikawajima Harima Industries
ModelRHG6

TURBOCHARGER

FUEL INJECTOR SYSTEM SPECIFICATIONS

ApplicationSpecification
Lift PumpGear Type, Integral
Injector Pump ModelBosch
TypeCommon Rail
DriveGear
TypeFull Flow, Paper Element
LocationLeft Hand Side Of Engine
Fuel Shut-OffElectronic
Fuel Injector TypeElectronic Injector
Timing AdvanceProgrammed

FUEL INJECTOR SYSTEM

More articles — Engine Mechanical - 6.6L V8 Diesel