GMC 4000 Series Service Manual page 552

References are made to special tools in the various sections of this manual.
These tools, or their equivalent, are necessary and are recommended to readily
and efficiently accomplish certain service operations. The tools, however, are not
supplied by GMC Truck and Coach Division. Information regarding availability of
these tools can be obtained from the Zone Office or from the Technical Publica­
tions Department at the factory.
SEC TIO N 1 - C A B AND BODY
Tool No. Tool Name
J-2189 Glass Seal and Insert Installer
J-9316 Windshield Alignment Blocks (Tilt Cab)
J-9886 Door Inside Handle Clip Remover
AIR CONDITIONING
J-5725-04 Gauge Set
J-5420 Valve Adapter
J-9459 Valve Adapter
J-5428 or
J-5428-03 Vacuum Pump
J-8695-18 Hose-to-Drum Adapter
J-6084 * Leak Detector
J-6272-01 Multi-Opener
J-6271 F its-A ll Valve (1 Can Opener)
J-8393 Deluxe Portable A/C Service Station
J-22132-01 Schrader Valve Core Remover and
Installer
SEC TIO N 3C - FRO NT SPRINGS
♦J-21058 Remover and Replacer Set (Plain Spring
Eye Bushing)
J-21978-1 &
J-21978-2 Remover and Replacer (Spring Eye
Bushing (Model PS4500)
J-21830-4 Spring Bushing Receiver (PS4500)
J-21830-7 Spring Bushing Receiver Bridge
(PS4500)
SEC TIO N 4A - R E A R A X LE
J-3453 Pinion Yoke Holding Bar
J-22281 Pinion Oil Seal Installer - H135, H110,
and HI50
J-22283 Pinion Oil Seal Installer - T150
SEC TIO N 4B - R EA R SPRING S
*J-21058 Remover and Replacer (Plain Spring
Eye Bushing)
SEC TIO N 4C - R EA R HUBS AND BEA RIN G S
J-870 Wheel Bearing Nut Wrench HI 10 & H135 J-22123
J-5955 Wheel Bearing Nut Wrench H150 & T150;
Rockwell G161 & G361
♦Listed in more than one section.
G M C S E R V I C E M A N U A L
SECTION 4C (CONT'D.)
Tool No.
J-7341
J-4707
J-4705
J-8049
J-23339
J-22348
J-7879-01
J-6978-04
J-22197
J-21058
J-21546
J-0966 or
J-21742
J-8340
J-8514
J-5892
J-971 &
J-995
J-22808-1,2 Flywheel Dowel Pin Hole Reamers
J-21735-02
J-6692
J-21544
♦J-7879-01
*J-7879-10
J-22975
Tool Name
Wheel Bearing Nut Wrench Eaton 16121,
16221, 17121 & 17221
SECTIO N 5A - H Y D R A U L IC B R A K E S
Brake Adjustment Tool
Piston Cup Installer
Brake Spring Replacer (FR-3)
Master Cylinder Bleeder Adapter
Brake Spring Replacer (Twin-Action)
SEC TIO N 6A - G ASO LINE EN GIN ES
Crankshaft Pulley or Hub Replacement
Set (Includes Oil Seal Installer -
V6 Engines)
Crankshaft Damper Puller (In-Line Eng.)
Crankshaft Damper Installer
Damper and Gear Installer
Air Hose Adapter
Timing Gear Cover Centering Gauge
Timing Gear Cover Oil Seal Replacer
(In-Line Engine, Cover Installed)
Cylinder Head Bolt Torque Wrench
Adapter (V6 Eng.)
Valve Spring Compressor
Oil Seal Installation Tools (Cover
Removed - In-Line Engines)
(292 In-Line Eng.)
SEC TIO N 6B - TO RO-FLOW
D IE S E L ENGINE
Compression Gauge Adapter (Use With
J-6692)
Gauge and Hose for Checking Cylinder
Compression
Valve Spring Compressor
Crankshaft Pulley or Damper Remover
and Installer Set
Crankshaft Front Oil Seal Installer
(Part of J-7879-01 Set)
Cylinder Head Bolt Torque Wrench
Adapter
High P ressure Tube Nut Wrench
Page 541
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