2005 CHEVROLET SILVERADO Owners Manual

Fuses Usage
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 COMP Air Conditioning Compressor
A/C COMPAir Conditioning Compressor
Relay
RR WPR Not Used
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
Rear Heated Seats,
HomeLink
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock SystemFuses Usage
CRNK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp 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 All-Wheel Drive Module
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
Air Conditioning Refrigerant R134a 1.6 lbs 0.7 kg
Cooling System
VORTEC™ 4300 V6 Automatic with Front A/C* 14.8 qt 14.0 L
VORTEC™ 4300 V6 Automatic with Front A/C** 16.5 qt 15.6 L
VORTEC™ 4300 V6 Manual with Front A/C* 15.1 qt 14.3 L
VORTEC™ 4300 V6 Manual with Front A/C** 16.6 qt 15.7 L
VORTEC™ 4800 V8 Automatic with Front A/C* 15.2 qt 14.4 L
VORTEC™ 4800 V8 Automatic with Front A/C** 16.8 qt 15.9 L
VORTEC™ 4800 V8 Manual with Front A/C* 15.5 qt 14.7 L
VORTEC™ 4800 V8 Manual with Front A/C** 17.0 qt 16.1 L
VORTEC™ 5300 V8 Automatic with Front A/C* 15.2 qt 14.4 L
VORTEC™ 5300 V8 Automatic with Front A/C** 16.8 qt 15.9 L
VORTEC™ 6000 V8 Automatic* 16.2 qt 15.3 L
VORTEC™ 6000 V8 Automatic** 16.7 qt 15.8 L
VORTEC™ 6000 V8 Manual* 16.7 qt 15.8 L
VORTEC™ 6000 V8 Manual** 16.7 qt 15.8 L
5-133

ApplicationCapacities
English Metric
VORTEC™ 8100 V8 HD Automatic* 25.0 qt 23.7 L
VORTEC™ 8100 V8 HD Automatic** — —
VORTEC™ 8100 V8 Automatic* 26.9 qt 25.5 L
VORTEC™ 8100 V8 Automatic** — —
VORTEC™ 8100 V8 Manual* 27.1 qt 25.6 L
VORTEC™ 8100 V8 Manual** — —
* Engine Fan Driven cooling system
** Electric Cooling Fan system
Engine Oil with Filter
4300 V6 4.5 qt 4.3 L
4800 V8; 5300 V8; 6000 V8 6.0 qt 5.7 L
8100 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
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™ 4300 V6 WAutomatic
Manual0.060 inches (1.52 mm)
VORTEC™ 5300 V8 Z Automatic 0.040 inches (1.01 mm)
VORTEC™ 4800 V8 VAutomatic
Manual0.040 inches (1.01 mm)
VORTEC™ 5300 V8 T Automatic 0.040 inches (1.01 mm)
VORTEC™ 6000 V8 UAutomatic
Manual0.040 inches (1.01 mm)
VORTEC™ 6000 V8 NAutomatic
Manual0.040 inches (1.01 mm)
VORTEC™ 8100 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.................................6-11
At Least Once a Year...................................6-12
Recommended Fluids and Lubricants
(Gasoline Engine)......................................6-14
Normal Maintenance Replacement Parts
(Gasoline Engine)......................................6-17
Maintenance Record.....................................6-18
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