Chevrolet Silverado / GMC Sierra. Service manual — part 397

Fig. 33: Upper Oil Pan (Rear View)
Courtesy of GENERAL MOTORS CORP.

Upper Oil Pan - Rear View

Upper Oil Pan - Side View

Fig. 34: Upper Oil Pan (Side View)
Courtesy of GENERAL MOTORS CORP.

Upper Oil Pan - Side View

Service

Hole

Location

Thread

Size

Drill

Counterbore

Tool

Stop

Collar Tap Driver Insert

Drill

Depth
(Max)

Tap

Depth

(Min)

mm (in) mm (in)

1

M 12 x

1.75

-856

-857

N/A

-858

-859

-855

22 0.866 16 0.630

Service

Hole

Location

Thread

Size

Drill

Counterbore

Tool

Stop

Collar Tap Driver Insert

Drill

Depth
(Max)

Tap

Depth

(Min)

mm (in) mm (in)

1

M 6 x

1.0

-201

-202

N/A

-203

-204

-205

17 0.669 13 0.512

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

SCHEMATIC AND ROUTING DIAGRAMS

ENGINE MECHANICAL SCHEMATICS

Fig. 35: ngine Mechanical Schematic
Courtesy of GENERAL MOTORS CORP.

COMPONENT LOCATOR

DISASSEMBLED VIEWS

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 36: Engine Block, Crankshaft, Piston Components View
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

100

Engine Block

101

Dowel Pin

102

Engine Block Plug

103

Engine Block Heater

104

Engine Block Plug

105

Crankshaft Bearing Cap Bolt

106

Engine Block Plug

107

Engine Block Plug

108

Upper Crankshaft Bearings

109

Upper Thrust Bearing

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

110

Crankshaft

111

Crankshaft Pin

112

Lower Crankshaft Bearings

113

Lower Thrust Bearings

113

Lower Thrust Bearings

114

Crankshaft Bearing Cap

115

Crankshaft Bearing Cap Bolt

116

Dowel Pin

117

Crankshaft Gear

118

Crankshaft Position Sensor Exciter Ring

119

Crankshaft Position Sensor Exciter Ring Bolt

120

Crankshaft Position Sensor Exciter Ring Pin

121

Oil Pump Drive Gear

122

Crankshaft Balancer

123

Crankshaft Balancer Washer

124

Crankshaft Balancer Bolt

125

Flywheel - Manual Transmission

126

Flywheel Washer

127

Flywheel Bolt

128

Flywheel Plate

129

Dowel Pin

130

Flywheel - Automatic Transmission

131

Ring Gear

132

Dowel Pin

133

Connecting Rod Cap

134

Connecting Rod Bearings

135

Connecting Rod

136

Connecting Rod Bushing

137

Piston Pin

138

Piston Pin Retainer

139

Piston

140

Piston Rings

141

Connecting Rod Bolt

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado