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Home/GMC/Yukon Denali/GMC Yukon Denali (2000-2000)/Repair manual/Mechanical/Engine Mechanical - 4.8L, 5.3L & 6.0L: Specifications
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Engine Mechanical - 4.8L, 5.3L & 6.0L: Specifications GMC Yukon Denali

Mechanical

Crankcase Capacity

On all engines, oil capacity is 6.0 qts. (5.7L) with filter change.

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
A/C Compressor Bolt37 (50)
Bellhousing Bolt37 (50)
Camshaft Retainer Bolt18 (24)
Camshaft Sensor Bolt18 (24)
Camshaft Sprocket Bolt26 (35)
Connecting Rod Cap Nut
Step 115 (20)
Step 2Additional 60 Degrees
Crankshaft Damper Bolt
Step 1 (Original Bolt) (1)240 (325)
Step 2 (New Bolt)37 (50)
Step 3 (New Bolt)Additional 140 Degrees
Crankshaft Oil Deflector Bolt/Nut18 (24)
Cylinder Head Bolt (2)
Step 1 (Bolts 1-10)22 (30)
Step 2 (Bolts 1-10)Additional 90 Degrees
Step 3
(Bolts 1-8)Additional 90 Degrees
(Bolts 9-10)Additional 50 Degrees
Step 4 (Bolts 11-15)(3)
EGR Valve Bolt
Step 1(4)
Step 222 (30)
Engine Valley Cover Bolt18 (25)
Exhaust Manifold Bolt
Step 111 (15)
Step 218 (24)
Flywheel Bolt (5)
Step 115 (20)
Step 237 (50)
Step 374 (100)
Front Cover Bolt18 (24)
Generator Mounting Bolt37 (50)
Main Bearing Cap Bolt/Stud (6)
Inner
Step 115 (20)
Step 2Additional 80 Degrees
Side18 (24)
Outer (Stud)
Step 115 (20)
Step 2Additional 51 Degrees
Oil Pan-To-Engine Block & Front Cover Bolt18 (24)
Oil Pump Bolt18 (24)
Rear Cover Bolt18 (24)
Rocker Arm Bolt (7)22 (30)
Starter Bolt37 (50)
Thermostat Housing Bolt11 (15)
Water Pump Bolt
Step 111 (15)
Step 222 (30)
INCH Lbs. (N.m)
Intake Manifold (8)
Step 144 (5)
Step 289 (10)
Oil Pan-To-Rear Cover Bolt106 (12)
Oil Pump Cover Bolt106 (12)
Sight Shield (Intake Manifold Cover)89 (10)
Valve Cover Bolt106 (12)
Valve Lifter Guide Bolt106 (12)
(1) Install, tighten, remove and discard original bolt to ensure proper damper installation. See CRANKSHAFT DAMPER under REMOVAL & INSTALLATION. (2) Use NEW M11 bolts (1-10). Tighten bolts in sequence. (Схема №3) (3) Tighten bolts to 22 ft. lbs. (30 N.m). Begin with center bolt (11) and alternating side-to-side, work outward tightening all of the bolts. (4) Tighten to 89 INCH lbs. (10 N.m). (5) Tighten bolts in sequence. (Схема №12) (6) Tighten bolts and studs in sequence. (Схема №23) (7) Tighten bolts in sequence. See VALVE CLEARANCE ADJUSTMENT under ADJUSTMENTS. (8) Tighten bolts in sequence. (Схема №1)
(1)Install, tighten, remove and discard original bolt to ensure proper damper installation. See CRANKSHAFT DAMPER under REMOVAL & INSTALLATION.
(2)Use NEW M11 bolts (1-10). Tighten bolts in sequence. (Схема №3)
(3)Tighten bolts to 22 ft. lbs. (30 N.m). Begin with center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.
(4)Tighten to 89 INCH lbs. (10 N.m).
(5)Tighten bolts in sequence. (Схема №12)
(6)Tighten bolts and studs in sequence. (Схема №23)
(7)Tighten bolts in sequence. See VALVE CLEARANCE ADJUSTMENT under ADJUSTMENTS.
(8)Tighten bolts in sequence. (Схема №1)

TORQUE SPECIFICATIONS

GENERAL SPECIFICATIONS (4.8L)

ApplicationSpecification
Displacement293 Cu. In.
Bore3.78" (96 mm)
Stroke3.27" (83 mm)
Compression Ratio9.45:1
Fuel SystemSFI

GENERAL SPECIFICATIONS (4.8L)

GENERAL SPECIFICATIONS (5.3L)

ApplicationSpecification
Displacement325 Cu. In.
Bore3.78" (96 mm)
Stroke3.62" (92 mm)
Compression Ratio9.45:1
Fuel SystemSFI

GENERAL SPECIFICATIONS (5.3L)

GENERAL SPECIFICATIONS (6.0L)

ApplicationSpecification
Displacement364 Cu. In.
Bore4.00" (101.6 mm)
Stroke3.62" (92 mm)
Compression Ratio9.4:1
Fuel SystemSFI

GENERAL SPECIFICATIONS (6.0L)

CRANKSHAFT, MAIN BEARINGS & CONNECTING ROD BEARINGS SPECIFICATIONS

ApplicationIn. (mm)
Crankshaft End Play.002-.008 (.05-.20)
Main Bearings
Journal Diameter2.558-2.5593 (64.993-65.007)
Journal Out-Of-Round
Standard.0001 (.003)
Service Limit.0003 (.008)
Journal Taper (Maximum)
Standard.0004 (.010)
Service Limit.0008 (.020)
Oil Clearance.0007-.0021 (.018-.053)
Connecting Rod Bearings
Bore Diameter2.224-2.225 (56.505-56.525)
Bore Out-Of-Round.00015-.00030 (.004-.008)
Journal Diameter2.099-2.100 (53.318-53.338)
Journal Out-Of-Round
Standard.0002 (.005)
Service Limit.0004 (.010)
Journal Taper
Standard.0002 (.005)
Service Limit.0008 (.020)
Oil Clearance
Standard.0006-.0025 (.015-.063)
Service Limit.0029 (.073)
Side Clearance.004-.020 (.11-.51)

CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS

PISTONS, PISTON PINS & PISTON RINGS SPECIFICATIONS

ApplicationIn. (mm)
Pistons
Clearance
4.8L & 5.3L
Standard.0010-.0024 (.025-.061)
Service Limit.0012-.0027 (.030-.070)
6.0L
Standard.0011-.0025 (.027-.063)
Service Limit.0013-.0028 (.032-.072)
Diameter
4.8L & 5.3L3.774-3.778 (95.957-95.975)
6.0L3.9989-3.9996 (101.573-101.591)
Pins
Diameter.9447-.9448 (23.999-24.000)
Piston Fit
Standard.0005-.00086 (.012-.022)
Service Limit.0005-.00094 (.012-.024)
Rod Fit.0008-.0016 (.002-.041) Interference
Rings
4.8L & 5.3L
No. 1
End Gap
Standard.009-.015 (.23-.38)
Service Limit.012-.018 (.30-.45)
Side Clearance.0016-.0033 (.040-.085)
No. 2
End Gap
Standard.017-.025 (.44-.64)
Service Limit.020-.028 (.51-71)
Side Clearance.0016-.0031 (.040-.080)
No. 3 (Oil)
End Gap
Standard.007-.027 (.18-.69)
Service Limit.010-.030 (.25-.76)
Side Clearance.0004-.0087 (.010-.221)
6.0L
No. 1
End Gap
Standard.010-.016 (.25-.41)
Service Limit.013-.019 (.32-.48)
Side Clearance.0016-.0033 (.040-.085)
No. 2
End Gap
Standard.018-.026 (.46-.66)
Service Limit.021-.029 (.53-73)
Side Clearance.0016-.0031 (.040-.080)
No. 3 (Oil)
End Gap
Standard.010-.030 (.25-.75)
Service Limit.012-.032 (.32-.82)
Side Clearance.0004-.0090 (.010-.23)

PISTONS, PINS & RINGS

CYLINDER BLOCK SPECIFICATIONS

ApplicationIn. (mm)
Cylinder Bore
Diameter
4.8L & 5.3L3.78 (96.00)
6.0L4.00 (101.6)
Maximum Taper(1) .0007 (.018)
Maximum Out-Of-Round(2) .0001 (.003)
Camshaft Bearing Bore2.168-2.169 (55.063-55.088)
Maximum Warpage
Overall Deck Length.008 (.20)
(3).004 (.10)
(1) Specification is for thrust side. Relief side specification is not available from manufacturer. (2) Production specification is given. Maximum service specification is not available from manufacturer. (3) Measured within any 6.0" (152.4 mm) area of deck surface.
(1)Specification is for thrust side. Relief side specification is not available from manufacturer.
(2)Production specification is given. Maximum service specification is not available from manufacturer.
(3)Measured within any 6.0" (152.4 mm) area of deck surface.

CYLINDER BLOCK

ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS

ApplicationSpecification
Valve Face Angle45°
Valve Springs
Free Length2.08" (52.90 mm)
Installed Height1.80" (45.75 mm)
Lbs. @ In. (Nm @ mm)
Valve Spring Pressure
Valve Closed76 @ 1.8 (340 @ 45.75)
Valve Open220 @ 1.32 (980 @ 33.55)

VALVES & VALVE SPRINGS

CYLINDER HEAD SPECIFICATIONS

ApplicationSpecification
Maximum Warpage
Overall Length Of Head.008" (.22 mm)
(1).003" (.08 mm)
Valve Seats
Intake Valve
Seat Angle46°
Seat Width.04" (1.02 mm)
Maximum Seat Runout.002" (.05 mm)
Exhaust Valve
Seat Angle46°
Seat Width.07" (1.78 mm)
Maximum Seat Runout.002" (.05 mm)
Valve Stem-To-Guide Oil Clearance
4.8L & 5.3L
Standard.0010-.0026" (.025-.066 mm)
Service Limit.0037" (.093 mm)
6.0L
Standard
Intake.0010-.0026" (.025-.066 mm)
Exhaust0010-.0026" (.025-.066 mm)
Service Limit
Intake.0037" (.093 mm)
Exhaust.0037" (.093 mm)
(1) Measured within 6.0" (152.4 mm) area of deck surface and includes 2 ports.
(1)Measured within 6.0" (152.4 mm) area of deck surface and includes 2 ports.

CYLINDER HEAD

CAMSHAFT SPECIFICATIONS

ApplicationIn. (mm)
End Play.001-.012 (.025-.30)
Journal Diameter2.164-2.166 (54.99-55.04)
Lobe Lift
4.8L & 5.3L
Intake.268 (6.82)
Exhaust.274 (6.96)
6.0L
Intake.274 (6.96)
Exhaust.281 (7.13)

CAMSHAFT

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