GMC ENVOY XL 2004 Owners Manual

Fuses Usage
30 Air Conditioning
31 Truck Body Controller 1
32 Trailer
33 Anti-Lock Brakes (ABS)
34 Ignition A
35 Blower Motor
36 Ignition B
50 Passenger’s Side Trailer Turn
51 Driver’s Side Trailer Turn
52 Hazard Flashers
53 Oxygen Sensor Bank B
54 Oxygen Sensor Bank A
55 Injector Bank A
56 Injector Bank B
57 Electric Adjustable PedalRelays Usage
37 Headlamp Washer
38 Rear Window Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Washer
43 High-Beam Headlamp
44 Air Conditioning
45 Cooling Fan
46 Headlamp Driver Module
47 Starter
49 Electric Adjustable Pedal
58 Ignition 1
Miscellaneous Usage
48 Instrument Panel Battery
5-103

Rear Underseat Fuse Block
Envoy
Envoy
5-104

Fuses Usage
01 Right Door Control Module
02 Left Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Amplier
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16Vehicle Center High-Mounted
Stop LampFuses Usage
17 Right Rear Parking Lamps
18 Locks
19Liftgate Module/Driver Seat
Module
20 Sunroof
21 Lock
23 Blank
24 Unlock
25 Blank
26 Blank
27 OH Battery/OnStar
®System
29 Rainsenseâ„¢ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
5-105

Fuses Usage
35 Blank
36Heat Ventilation
Air Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39Heat Ventilation
Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44Heat Ventilation
Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0Fuses Usage
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run
Envoy XL
5-106

Fuses Usage
01 Right Door Control Module
02 Left Door Control Module
03 Liftgate Module 2
04 Truck Body Controller 3
05 Rear Fog Lamps
06 Blank
07 Truck Body Controller 2
08 Power Seats
09 Rear Wiper
10 Driver Door Module
11 Amplier
12 Passenger Door Module
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Blank
16Vehicle Center High-Mounted
Stop Lamp
17 Right Rear Parking Lamps
Envoy XL
5-107

Fuses Usage
18 Locks
19Liftgate Module/Driver Seat
Module
20 Vent Window
21 Lock
22 Retained Accessory Power
23 Blank
24 Unlock
25 Blank
26 Blank
27 OH Battery/OnStar
®System
28 Sunroof
29 Rainsenseâ„¢ Wipers
30 Parking Lamps
31 Truck Body Controller Accessory
32 Truck Body Controller 5
33 Front Wipers
34 Vehicle Stop
35 Blank
Fuses Usage
36Heat Ventilation
Air Conditioning B
37 Front Parking Lamps
38 Left Turn Signal
39Heat Ventilation
Air Conditioning 1
40 Truck Body Controller 4
41 Radio
42 Trailer Park
43 Right Turn Signal
44Heat Ventilation
Air Conditioning
45 Rear Fog Lamps
46 Auxiliary Power 1
47 Ignition 0
48 Four-Wheel Drive
49 Blank
50 Truck Body Controller Ignition
51 Brakes
52 Truck Body Controller Run
5-108

Capacities and Specications
Capacities and Specications
Engine VIN Code Transmission Spark Plug Gap
VORTECâ„¢ 4200 L6 S M30 0.042 inches (1.07 mm)
VORTECâ„¢ 5300 V8 P M30 0.040 inches (1.01 mm)
ApplicationL6 Engine V8 Engine
English Metric English Metric
Wheel Nut Torque 100 lb ft 140Y100 lb ft 140Y
Cooling System
Envoy 13.9 quarts 13.1 L 15.3 quarts 14.5 L
Envoy XL 15.2 quarts 14.4 L 17.9 quarts 17.0 L
Air Conditioning Refrigerant R/134a
Envoy 1.9 lbs. 0.85 kg 1.9 lbs. 0.85 kg
Envoy XL 2.8 lbs. 1.27 kg 2.8 lbs. 1.27 kg
Engine Oil with Filter 7.0 quarts 6.6 L 6.0 quarts 5.7 L
Transmission
(Drain and Rell)5.0 quarts 4.7 L 5.0 quarts 4.7 L
5-109

ApplicationL6 Engine V8 Engine
English Metric English Metric
Differential Fluid
Rear 3.6 pints 1.7 L 4.3 pints 2.0 L
Front 1.7 pints 0.8 L 1.7 pints 0.8 L
Fuel Tank
Envoy 22.0 gallons 83.3 L 22.0 gallons 83.3 L
Envoy XL 25.3 gallons 95.8 L 25.3 gallons 95.8 L
All capacities are approximate. When adding, be sure to ll to the appropriate level, as recommended in this
manual. Recheck the uid level after lling.
5-110

Maintenance Schedule......................................6-2
Introduction...................................................6-2
Maintenance Requirements..............................6-2
Your Vehicle and the Environment....................6-2
Using Your Maintenance Schedule....................6-3
Scheduled Maintenance...................................6-4
Additional Required Services............................6-6
Maintenance Footnotes...................................6-8Owner Checks and Services............................6-9
At Each Fuel Fill..........................................6-10
At Least Once a Month.................................6-10
At Least Once a Year...................................6-11
Recommended Fluids and Lubricants...............6-13
Normal Maintenance Replacement Parts..........6-15
Engine Drive Belt Routing..............................6-16
Maintenance Record.....................................6-16
Section 6 Maintenance Schedule
6-1

Maintenance Schedule
Introduction
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