GMC 1989 Light Duty Truck Repair Manual page 5

1989
UNIT REPAIR
MANUAL
COVERING
LIGHT DUTY
TRUCKS
The Table of C on te nts on th is page indi­
cates the sections covered in th is m anual.
At the b eginning of each individual section
is a T able o f C o n te n ts w h ic h g ive s the
page n um ber on w hich each m ajor su bject
begins.
W hen reference is m ade in this m anual
to a brand nam e, num ber, or sp ecific tool,
an e q u iv a le n t p ro d u c t m ay be used in
place of the recom m ended item .
All inform ation, illu stratio ns, and sp e cifi­
c a tio n s c o n ta in e d in th is M a n u a l a re
based on the latest p ro d u ct inform ation
a vailab le at the tim e of p u b lic a tio n ap ­
p ro v a l. T h e rig h t is re s e rv e d to m ake
changes at any tim e w ith o u t notice.
X -8937
© 1988 General M otors C orporation June, 1988
P rinted in USA.
All rights reserved.
TABLE OF CONTENTS
SEC. SECTION NAME
OA GENERAL INFORMATION
1 AIR CONDITIONING
1B1 A6 Air Conditioning Compressor
1B2 V5 Air Conditioning Compressor
1B3 R-4 Air Conditioning Compressor
1B4 HR -6 Air Conditioning Compressor
1B5 S D -709 Air Conditioning Com pressor
3 STEERING
3B 2 Manual Steering G ear
3B 3 Power Steering
4 AXLES
4B R ear Axle
4B1 7 1/2 Inch Ring G ear
4B 2 8 1/2 Inch Ring G ear
4B 3 9 1/2 Inch Ring G ear
4B 4 10 1/2 Inch Ring G ear
4B 5 Dana R ear Axles
4B 6 12 Inch Ring G ear (Rockwell)
4B 7 Locking Differentials
4C Front Axle
4C1 8 1/2 Inch Ring G ear
4C 2 9 3/4 Inch Ring G ear
4C 3 T Truck Front Axle
4 C 4 K Truck Front Axle 8 1 /4 and 9 1 /4 Inch
Ring G ear
5 BRAKES
6 ENGINE
6A General Engine
6A1 2.5 Liter L4
6A2 2.8 Liter V6
6A3 4.3 Liter V6
6A4 4.8 Liter L6
6A5 V 8 Engine
6A 7 6.2 Liter Diesel
6C Carburetor and TBI Unit
6C1 Model 1 M E F Carburetor
6C 2 Model M 4M E F Carburetor
6C 3 TBI Unit Model 220
6C 4 TBI Unit Model 700
6D Engine Electrical
6D1 SI Series G enerators
6D 2 C S -144 G enerator
6D 3 SD (MT) Starting Motors
6D 4 PG -200 (P M G R ) Starting Motor
6D 5 Distributors
7 TRANSMISSION
7A Automatic Transmission
7A1 700-R 4 Automatic Transmission
7A2 4 0 0/47 5 Automatic Transmission
7A3 180C Automatic Transmission
7B M anual Transmission
7B1 H M -290 M anual Transmission
7B 2 H M -1 17 Transmission
7B3 New Process Transmission
7B4 Borg-W arner Transmission
7D Transfer C ase
7D1 New Process 205 Transfer C ase
7D 2 New Process 241 Transfer Case
7D 3 New Process 231 Transfer C ase
7D 4 Borg W arn er 1370 Transfer C ase
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