air conditioning GMC SAVANA 1997 User Guide

If your vehicle has a 7.4 liter engine and air
conditioning, your vehicle will have
a auxiliary engine
fan in addition to the belt driven fan.
b, CAUTION:
If your vehicle has air conditioning, the auxiliary
engine fan under the hood can start up and
injure you even when the engine
is not running.
Keep hands, clothing and tools away from any
underhood electric fan. Things
that burn can get on hot engine parts and
start a fire. These include liquids like gasoline,
oil, coolant, brake fluid, windshield washer and
other fluids, and plastic or rubber.
You or others
could be burned. Be careful not to drop or spill
things that will burn onto
a hot engine.
Before closing the hood, be sure all the filler caps are
on properly.
Then lift
the hood to relieve pressure on the hood prop.
Remove the hood prop from the slot in the hood and
return the prop to its retainer. Then just let the hood
down and close it firmly.
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Engine Compartment Fuse Relay Center
The fuse block is on the driver's side of the engine
compartment at the rear.
[-I
[)
[T]
Name
BLOWER
ABS
Circuits Protected
Blower Motor
Electronic Brake Control Module
Name
IGN-B
IGN-A
BATT
LIGHTING
RR BLOWER
ENG-
1
A/C SPARE
AUX A
AUX-B
RH-HDLP
Circuits Protected
Ignition Switch
Starter Relay, Ignition Switch
Instrument Panel Fuse Block
Instrument Panel Fuse Block,
Headlamp Switch
Rear Auxiliary Blower
Motor Relays
Heated
02 Sensors, Mass Air
Flow Sensor, EGR Valve
Solenoid, Evap Canister Purge
Valve, Crankshaft Position Sensor,
Secondary Air Injection Relay
(Diesel), Water in Fuel Sensor
(Diesel), Fuel Heater (Diesel),
Glowplug Relay (Diesel),
Wastegate Solenoid (Diesel)
Air Conditioning Clutch Relay
Spare Fuses
Upfitter Provisions
Upfitter Provisions
Right-hand Headlamp
(Export Only)
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Name
RH-HIBM
ECM-I
HORN
LH-HDLP
LH-HIBM
FUEL SOL
IGN-E
ECM-B
Circuits Protected
Right-hand High-beam Headlamp
(Export Only)
Ignition Coil, Crankshaft Position Sensor, VCM, Fuel Injectors,
Coil Driver
Horn Relay, Underhood Lamp(
s)
Left-hand Headlamp
(Export Only)
Left-hand High-beam Headlamp
(Export Only)
PCM, Fuel Solenoid Driver,
Engine Shutoff Solenoid
Air Conditioning Clutch Relay
Fuel Pump Relay, VCM, PCM,
Fuel Pump and Engine Oil
Pressure Switch
Capacities and Specifications
Replacement Parts
Replacement part numbers listed in this section are
based on the latest information available at the time of
printing, and are subject to change. If a part listed in this
manual is not the same as the part used in your vehicle
when
it was built, or if you have any questions, please
contact your GM truck dealer.
These specifications
are for information only. If you
have
any questions, see the service manual for the
chassis or refer to the body manufacturer’s publications.
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Normal Replacement Parts
Engine “VORTEC”4300 “VORTEC”5000 “VORTEC”5700 “VORTEC”\
7400
VIN w M R J
Oil Filter PF52 PF1218 PF1218 PF1218
Air Cleaner Filter* A917C A917C A917C A917C
PCV Valve CV789C cv774c cv774c cv774c
Spark Plugs 41-932 4 1-932 41-932 4 1-932
Fuel Filter GF48
1 GF48 1 GF48 1 GF48 1
Radiator Cap RC36 RC36 RC36 RC36
*Replace with
AC Air Filter, Part No. A917C and for severe dusty conditions, use, AC Air Filter, Part No. 1236C.
Air Conditioning Refrigerant Capacity
I NOTICE:
~~
R-134A refrigerant is not compatible with R-12
refrigerant in an air conditioning system. R-12 in
an R-134A system
will cause compressor failure,
refrigerant oil sludge,
or poor air conditioning
system performance. TYPE
QTY Front Only QTY Front and Rear
Refrigerant 3.00 lbs. (1.36 kg) 4.875 lbs. (2.21 kg)
R- 134A
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same.
If the air conditioning system in your vehicle needs
refrigerant, be sure the proper refrigerant is used.
If you’re not sure, ask your GM dealer.
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Section 9 Index
Adjustable Mast Antenna ........................ 3-28
AirBag
....................................... 1-25
Adding Equipment
............................ 1-32
How Does it Restrain
.......................... 1-30
How
it Works ................................ 1-28
Location
.................................... 1-28
Readiness Light
......................... 1.27. 2.5 1
Servicing ................................... 1-31
What Makes
it Inflate .......................... 1-29
What Will
You See After it Inflates ............... 1-30
When Should it Inflate
......................... 1-29
Aircleaner
.................................... 6-17
Air Conditioning
................................ 3 -7
Air Conditioning Refrigerants
..................... 6-67
Alignment and Balance. Tire
...................... 6-47
Aluminum Wheels. Cleaning
...................... 6-55
Antenna. Adjustable Mast
........................ 3-28
Antenna. Power
................................ 3-28
Antifreeze
..................................... 6-22
Anti-Lock
Brake System Warning Light
................ 2.53. 4.7
Brakes
...................................... 4-7
Appearance Care
............................... 6-49
Air Control.
Climate Control System
................. 3-3 Appearance
Care Materials
....................... 6-57
Arbitration Program .............................. 8-9
Audio Systems
.................................. 3-8
Automatic Transmission
Transmission Check
........................... 7-46
Transmission Fluid
............................ 6-18
Transmission Operation
........................ 2-20
Transmission Park Mechanism Check
............. 7-48
Axle. Locking Rear
............................. 2-23
Axle. Rear
.................................... 6-22
Ashtrays
...................................... 2-43
Shifting
..................................... 2-20
Battery
...................................... 6-32
Jump Starting
................................. 5-3
Replacement. Remote Keyless Entry
............... 2-8
Warnings
.................................... 5-3
Warnings
.................................... 5-3
Before Leaving on a Long Trip
.................... 4-21
Blizzard. Driving In
............................. 4-25
BBB Auto
Line
................................. 8-9
Better Business Bureau Mediation
................... 8-9
9-1
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Paint Spotting. Chemical ........................ 6-56
Park Automatic Transmission
....................... 2-24
Shifting Into
................................. 2-24
Shifting Out of
............................... 2-27
AtNight
.................................... 2-15
Brake
...................................... 2-23
Brake Mechanism Check
....................... 7-48
Lots
....................................... 2-15
Over Things That Burn
........................ 2-27
With a Trailer
................................ 4-37
Passenger Position
.............................. 1-25
Passenger Temperature Control
..................... 3-5
Passing
....................................... 4-12
Periodic Maintenance Inspections
.................. 7-49
Power Antenna Mast Care
............................ 3-28
Door Locks
................................... 2-5
Option Fuses
................................ 6-60
Remote Control Mirror
........................ 2-43
Seat
......................................... 1-3
Steering ..................................... 4-9
Steering Fluid
................................ 6-26
Windows
................................... 2-29
Power Seat
Pregnancy. Use of Safety Belts
.................... 1-24
Problems on the Road
............................ 5- 1
Publications. Service and Owner ................... 8- 11
Parking Radiator
..................................... 5 . 19
Radiator Pressure Cap
........................... 6-25
Radio Reception
................................ 3-26
Radios
......................... 3.9.3.11.3.13. 3.18
Rain. Driving In
................................ 4-16
Reading Lamps
................................ 2-41
Rear
Axle
....................................... 6-22
Door Security Locks
........................... 2-5
Outside Seat Position .......................... 1-32
Seat Passengers
.............................. 1-32
Towing
..................................... 5-11
Rearview Mirror
................................ 2-43
Reclining Front Seatbacks
......................... 1-3
Recommended Fluids and Lubricants ............... 7-51
Recovery Tank. Coolant
.......................... 5-16
Refrigerants. Air Conditioning
.................... 6-67
Remote Compact Disc Player
..................... 3-22
Replacement
Bulbs
...................................... 6-68
Parts
....................................... 6-67
Wheel
...................................... 6-47
Replacing Safety Belts
........................... 1-52
Reporting Safety Defects ......................... 8-10
Restraints
Checking
................................... 1-52
Child
....................................... 1-40
Head
........................................ 1-5
Replacing Parts After a Crash
................... 1-52
System Check
................................ 7-46
Reverse. Automatic Transmission
.................. 2-21
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