GMC SIERRA 2006 Owner's Manual

*1Fuel Injection Rail #2-Gasoline Engine; Engine
Control Module-Diesel Engine.
*2Fuel Injection Rail #1-Gasoline Engine;
Actuator-Diesel Engine.
*3Oxygen Sensors-Gasoline Engine; Fuel Heater-Diesel
Engine.
*4Oxygen Sensors-Gasoline Engine; Engine Control
Module 1-Diesel Engine.
*5Ignition 1-Gasoline Engine; Engine Control
Module-Diesel Engine.
*6Powertrain Control Module B-Gasoline Engine;
Engine Control Module B-Diesel Engine.
*7Rear Climate Control.
*8Sunroof.
Fuses Usage
GLOW PLUGDiesel Glow Plugs and
Intake Air Heater
CUST FEED Gasoline Accessory Power
HYBRID Hybrid
STUD #1Auxiliary Power (Single
Battery and Diesels Only)/
Dual Battery (TP2) Do not
install fuse.
Fuses Usage
MBECMid Bussed Electrical Center
Power Feed, Front Seats,
Right Doors
BLWR Front Climate Control Fan
LBECLeft Bussed Electrical Center,
Door Modules, Door Locks,
Auxiliary Power Outlet—Rear
Cargo Area and Instrument
Panel
STUD #2*Accessory Power/Trailer
Wiring Brake Feed
ABS Anti-lock Brakes
VSES/ECAS Vehicle Stability
IGN A Ignition Power
IGN B Ignition Power
LBEC 1Left Bussed Electrical Center,
Left Doors, Truck Body
Controller, Flasher Module
TRL PARK Parking Lamps Trailer Wiring
RR PARKRight Rear Parking and
Sidemarker Lamps
5-129

Fuses Usage
LR PARKLeft Rear Parking and
Sidemarker Lamps
PARK LP Parking Lamps Relay
STRTR Starter Relay
INTPARK Interior Lamps
STOP LP Stoplamps
TBC BATTTruck Body Controller Battery
Feed
SEO B2 Off-Road Lamps
4WS Not Used
AUX PWRAuxiliary Power Outlet —
Console
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake
Controller-Gasoline Engine,
Fan Clutch-Diesel Engines
IGN EInstrument Panel Cluster,
Air Conditioning Relay,
Turn Signal/Hazard Switch,
Starter RelayFuses Usage
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
F/PMP Fuel Pump (Relay)
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
AIRBAGSupplemental Inatable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running Lamps
(Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
LH HID Not Used
5-130

Fuses Usage
DRL Daytime Running Lamps
RVC Regulated Voltage Control
IPC/DICInstrument Panel
Cluster/Driver Information
Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMPAir Conditioning Compressor
Relay
A/C COMP Air Conditioning Compressor
TCMB Transmission Control Module
RR WPR Not Used
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
Rear Heated Seats,
Universal Home Remote
System
LO HDLP-LT Headlamp Low Beam-LeftFuses Usage
BTSIBrake Transmission Shift
Interlock System
CRNK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamps Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASHWindshield Washer Pump
Relay
W/S WASH Windshield Washer Pump
INFOOnStar
®/Rear Seat
Entertainment
RADIO AMP Radio Amplier
RH HID Not Used
HORN Horn
EAP Not Used
TREC Not Used
SBA Supplemental Brake Assist
5-131

Auxiliary Electric Cooling Fan
Fuse Block
The auxiliary electric
cooling fan fuse block is
located in the engine
compartment on the
driver’s side of the vehicle
next to the underhood
fuse block.
Lift the cover for access to the fuse/relay block.
Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays Usage
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 3 Cooling Fan Relay 3
COOL/FAN 2 Cooling Fan Relay 2
5-132

Capacities and Specications
The following approximate capacities are given in English and metric conversions. SeeRecommended Fluids and
Lubricants (Gasoline Engine) on page 6-14for more information.
ApplicationCapacities
English Metric
Cooling System
4.3L V6 Automatic with Front A/C* 14.8 qt 14.0 L
4.3L V6 Automatic with Front A/C** 16.5 qt 15.6 L
4.3L V6 Manual with Front A/C* 15.1 qt 14.3 L
4.3L V6 Manual with Front A/C** 16.6 qt 15.7 L
4.8L V8 Automatic with Front A/C* 15.2 qt 14.4 L
4.8L V8 Automatic with Front A/C** 16.8 qt 15.9 L
4.8L V8 Manual with Front A/C* 15.5 qt 14.7 L
4.8L V8 Manual with Front A/C** 17.0 qt 16.1 L
5.3L V8 Automatic with Front A/C* 15.2 qt 14.4 L
5.3L V8 Automatic with Front A/C** 16.8 qt 15.9 L
6.0L V8 Automatic* 16.2 qt 15.3 L
6.0L V8 Automatic** 16.7 qt 15.8 L
6.0L V8 Manual* 16.7 qt 15.8 L
5-133

ApplicationCapacities
English Metric
8.1L V8 HD Automatic* 25.0 qt 23.7 L
8.1L V8 Automatic* 26.9 qt 25.5 L
8.1 V8 Manual* 27.1 qt 25.6 L
* Engine Fan Driven cooling system
** Electric Cooling Fan system
Engine Oil with Filter
4.3 V6 4.5 qt 4.3 L
4.8 V8; 5.3 V8; 6.0 V8 6.0 qt 5.7 L
8.1 V8 6.5 qt 6.1 L
Fuel Tank
Short Bed and 2500 LD 26.0 gal 98.0 L
Long Bed and Chassis Cab (Pickup Box Delete) 34.0 gal 128.7 L
Chassis Cab 3500 and 3500HD — front 27.0 gal 102.0 L
Chassis Cab 3500 and 3500HD — rear 23.0 gal 87.0 L
Transfer Case Fluid 2.0 qt 1.9 L
Wheel Nut Torque 140 ft lb 190Y
After rell, the level must be rechecked. Add enough engine coolant so that the uid is within the proper operating
range.
5-134

Engine Specications
Engine VIN Code Transmission Spark Plug Gap
VORTEC™ 4.3L V6 XAutomatic
Manual0.060 inches (1.52 mm)
VORTEC™ 4.8L V8
VAutomatic
Manual0.040 inches (1.01 mm)
VORTEC™ 5.3L V8 Z Automatic 0.040 inches (1.01 mm)
VORTEC™ 5.3L V8 T Automatic 0.040 inches (1.01 mm)
VORTEC™ 6.0 V8 UAutomatic
Manual0.040 inches (1.01 mm)
VORTEC™ 6.0L V8 NAutomatic
Manual0.040 inches (1.01 mm)
VORTEC™ 8.1L V8 GAutomatic
Manual0.060 inches (1.52 mm)
5-135

✍NOTES
5-136

Maintenance Schedule......................................6-2
Introduction...................................................6-2
Maintenance Requirements..............................6-2
Your Vehicle and the Environment....................6-2
Using the Maintenance Schedule......................6-3
Scheduled Maintenance
(Gasoline Engine).......................................6-4
Additional Required Services
(Gasoline Engine).......................................6-7
Maintenance Footnotes
(Gasoline Engine).......................................6-9
Owner Checks and Services..........................6-11At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000 km).......................6-11
At Each Fuel Fill..........................................6-11
At Least Once a Month.................................6-12
At Least Once a Year...................................6-12
Recommended Fluids and Lubricants
(Gasoline Engine)......................................6-14
Normal Maintenance Replacement Parts
(Gasoline Engines)....................................6-18
Engine Drive Belt Routing..............................6-19
Maintenance Record.....................................6-20
Section 6 Maintenance Schedule
6-1

Maintenance Schedule
Introduction
This maintenance section applies to vehicles with a
gasoline engine. If your vehicle has a diesel engine,
see the maintenance schedule section in the
DURAMAX
®Diesel Engine Supplement.
Important: Keep engine oil at the proper level and
change as recommended.
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet or your dealer
for details.
Maintenance Requirements
Notice:Maintenance intervals, checks, inspections,
replacement parts, and recommended uids and
lubricants as prescribed in this manual are necessary
to keep your vehicle in good working condition.
Any damage caused by failure to follow scheduled
maintenance may not be covered by warranty.
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep
your vehicle in good working condition, but also helps
the environment. All recommended maintenance is
important. Improper vehicle maintenance can even affect
the quality of the air we breathe. Improper uid levels or
the wrong tire ination can increase the level of emissions
from your vehicle. To help protect our environment, and
to keep your vehicle in good condition, be sure to
maintain your vehicle properly.
6-2