Wheels/Vehicle Underbody Component Views

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Front Frame & Underbody Components - 1 of 2

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Wheel Speed Sensor (WSS) - Right Front (JL4/JF3/JF7/JH6/JH7)
2	Chassis
3	Wheel Speed Sensor (WSS) - Left Front (JL4/JF3/JF7/JH6/JH7)

Fig 2: View Of Front Axle (NP8)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Frame
2	X110 (NQF/NQG/NQH/NP2)
3	Front Axle Housing
4	Front Drive Axle Actuator (NQF/NQG/NQH)

Fig 3: View Of Left Side Frame Fuel System & Chassis Underbody Components - 1 Of 2

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Pump and Sender Assembly - Rear
2	Fuel Pump and Sender Assembly - Front
3	Fuel Pump Relay - Secondary

Fig 4: View Of Left Side Frame Fuel System & Chassis Underbody Components - 2 Of 2

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Tank Pressure (FTP) Sensor (Gas)
2	Fuel Tank
3	Evaporative Emissions (EVAP) Canister
4	Evaporative Emissions (EVAP) Canister Vent Solenoid Valve (Gas)
5	Electronic Brake Control Module (EBCM) (JL4/JF3/JF7/JH6/JH7)
6	Fuel Pressure Sensor (Gas except 4.3L/LMG/LY6/LC9)
7	Chassis
8	Fuel Pump and Sender Assembly - Front (Gas)

Fig 5: View Of Left Side Frame & Underbody Components & Attachments (HP2)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Tank Pressure (FTP) Sensor
2	Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
3	Fuel Pump and Sender Assembly - Front
4	Fuel Pump
5	Fuel Tank
6	Electronic Brake Control Module (EBCM)

Fig 6: Identifying Fuel Level Sensors (Diesel)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Level Sensor - Secondary (31 Series without NQZ)
2	Fuel Pump (31 Series without NQZ)
3	Fuel Level Sensor - Primary

Fig 7: Identifying Right Side Frame & Underbody Components (Diesel)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Rear Frame Assembly
2	Exhaust Temperature Sensor 2
3	Exhaust Temperature Sensor 1
4	Exhaust Differential Sensor

Fig 8: View Of Left Rear Frame & Underbody Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Trailer Connector (UY7)
2	Chassis Harness
3	Camper/Trailer Harness
4	Camper Trailer Blunt Cuts (UY2)

Fig 9: Identifying Left Rear Frame & Underbody Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Rear Bumper
2	Junction Block - Rear Lamps
3	Data Link Resistor
4	Trailer Connector (except MEX/EXP)

Fig 10: Identifying Rear Frame & Underbody Components (10 Series)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Trailer Brake Control Relay (JL1)
2	Trailer Brake Control Module (JL1)
3	Trailer Connector (Except MEX/EXP)
4	Fuel Pump Flow Control Module
5	Data Link Resistor (Except LU3/LY6)

Fig 11: Identifying Left Rear Frame & Underbody Components (20/30 Series)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Trailer Connector (except MEX/EXP)
2	Trailer Brake Control Module (JL1)
3	Trailer Brake Control Relay (JL1)

Fig 12: Identifying Right Rear Frame & Underbody Components (31 Series)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Trailer Brake Control Relay
2	Trailer Brake Control Module

Fig 13: Identifying Rear Axle & Attached Components (JL4)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Wheel Speed Sensor (WSS) - Left Rear
2	Wheel Speed Sensor (WSS) - Right Rear