GMC 1989 Light Duty Truck Repair Manual page 393

S U B J E C T
D escription.................................................................................................................................................................................... 6 A 2 - 2
Engine Lubrication.................................................................................................................................................................. 6 A 2 - 2
Disassem bly..................................................................................................................................................................................6 A 2 - 6
Tools and Shop Equipm ent..................................................................................................................................................6 A 2 - 6
Accessory R em o val................................................................................................................................................................6 A 2 - 6
C le a n in g .................................................................................................................................................................................... 6 A 2 - 7
Draining the E n g in e................................................................................................................................................................6 A 2 - 7
Air Injection Tube Removal ................................................................................................................................................6 A 2 - 7
EGR Valve R em oval................................................................................................................................................................6 A 2 - 7
Exhaust Manifold R e m o v a l....................................................................................................................
Rocker Arm Cover R e m o v a l................................................................................................................................................6 A 2 - 7
Intake Manifold R em oval.......................................................................................................................................................6 A 2 - 7
Valve Train Component R em oval.......................................................................................................................................6 A 2 - 8
Cylinder Head R em o val.........................................................................................................................................................6 A 2 - 8
Torsional Damper R em oval.................................................................................................................................................. 6 A 2 - 8
Front Cover and W ater Pump R em o val........................................................................................................................... 6 A 2 - 9
Oil Pan Removal.......................................................................................................................................................................6 A 2 - 9
Oil Pump R em o val.................................................................................................................................................................. 6 A 2 - 9
Timing Chain and Camshaft Sprocket R em o v al........................................................................................................... 6 A 2 - 9
Camshaft R em oval.................................................................................................................................................................. 6A 2 -1 0
Piston and Connecting Rod R e m o v a l..............................................................................................................................6A 2 -1 0
Flywheel R e m o v a l.................................................................................... ............................................................................. 6A2-11
Crankshaft Removal................................................................................................................................................................6A2-11
Main Bearing Removal (Without Removing C ra n k s h a ft)........................................................................................... 6A2-11
Cleaning, Inspection, and Repair........................................................................................................................................... 6A 2-12
B lo ck ........................................................................................................................................................................................... 6A 2-12
Piston and Connecting Rod A ssem blies......................................................................................................................... 6A 2-13
Intake and Exhaust Manifolds............................................................................................................................................. 6A 2-13
Cam shaft.................................................................................................................................................................................... 6A 2-14
Camshaft Bearings..................................................................................................................................................................6A 2-14
Timing Chain and Sprockets................................................................................................................................................6A 2-14
Front Cover............................................................................................................................................................................... 6A 2 -1 4
Water P u m p ............................................................................................................................................................................. 6A 2 -1 5
Oil Pan and Rocker Arm Covers......................................................................................................................................... 6 A 2 -1 5
Oil P u m p .................................................................................................................................................................................... 6A 2 -1 5
Valve Train Com ponents...................................................................................................................................................... 6 A 2 -1 6
Hydraulic Lifters...................................................................................................................................................................... 6A 2 -1 6
Cylinder H ead ........................................................................................................................................................................... 6 A 2 -1 6
Thermostat and Water O u tle t............................................................................................................................................. 6 A 2 -1 8
Crankshaft and Bearings...................................................................................................................................................... 6A 2 -1 8
Assembly of E n g in e ..................................................................................................................................................................6A 2 -1 9
Prior to A s s e m b ly ..................................................................................................................................................................6 A 2 -1 9
Crankshaft and Main Bearing In s ta lla tio n ...................................................................................................................... 6 A 2 -1 9
Rear Crankshaft Oil Seal Installation ............................................................................................................................... 6 A 2 -2 0
Camshaft, Timing Chain and Sprocket In s ta lla tio n .................................................................................................... 6A2-21
Front Cover and Water Pump Installation.......................................................................................................................6A2-21
SECTION 6A2
2.8 LITER V-6
CONTENTS
6A2-1
P A G E
......................... 6 A 2 - 7