1988 x8836 GMC Light Duty Truck Service Manual – PDF DOWNLOAD
DESCRIPTION:
1988 x8836 GMC Light Duty Truck Service Manual – PDF DOWNLOAD
FOREWORD
This Service Manual replaces Section 6C and 6E for 2.5L, 2.8L, 4.3L, 5.0L, 5.7L, and 7.4L gasoline engines with throttle body injection and supplements the following shop manuals: • X-8832 10-30 Series R-V-G-P Light Duty Truck Service Manual • X-8829 10 Series S-T Light Duty Truck Service Manual • X-8830 10 Series M-Van Light Duty Truck Service Manual • X-8731-B 10-30 Series C-K Light Duty Truck Service Manual This manual includes the general description of a system, diagnosis and on-vehicle service procedures for the fuel control and emissions used on light duty truck with a throttle body injection fuel control system. Wiring diagrams for the above vehicles are also published in a separate “Truck Wiring Diagram” booklet. This manual should be kept in a handy place for ready reference. If properly used, it will meet the needs of technicians and vehicle owners.
CAUTION:
These vehicles contain some parts dimensioned in the metric system as well as in the customary system. Some fasteners are metric and are very close in dimension to familiar customary fasteners in the inch system. It is important to note that, during any vehicle maintenance procedures, replacement fasteners must have the same measurements and strength as those removed, whether metric or customary. (Numbers on the heads of metric bolts and on surfaces of metric nuts indicate their strength. Customary bolts use radial lines for this purpose, while most customary nuts do not have strength markings.) Mismatched or incorrect fasteners can result in vehicle damage or malfunction, or possibly personal injury. Therefore, fasteners removed from the vehicle should be saved for re-use in the same location whenever possible. Where the fasteners are not satisfactory for re-use, care should be taken to seiect a replacement that matches the original. For information and assistance, see your authorized dealer. GMC
TABLE OF CONTENTS:
1988 x8836 GMC Light Duty Truck Service Manual – PDF DOWNLOAD
TABLE OF CONTENTS SECTION
GENERAL INFORMATION 1 S
DRIVEABILITY SYMPTOMS 2 I
COMPUTER COMMAND
CONTROL (WITH “SCAN”
TOOL) ■ i
FUEL CONTROL * I
EVAPORATIVE EMISSION
CONTROL 5 !
IGNITION SYSTEM/EST « i
ELECTRONIC SPARK CONTROL i
AIR MANAGEMENT 8 i
EXHAUST GAS
RECIRCULATION 9 I
AUTOMATIC TRANSMISSION
CONVERTER CLUTCH OR
DOWN-SHIFT CONTROL AND
MANUAL TRANSMISSION
SHIFT LIGHT
10
POSITIVE CRANKCASE
VENTILATION 11
THERMOSTATIC AIR CLEANER
SPECIAL TOOLS AND
SPECIFICATIONS ” i
ABBREVIATIONS 14
COMPUTER COMMAND
CONTROL (WITHOUT “SCAN”
TOOL) 5
ALPHABETICAL INDEX
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