GMC T Series 1994 Repair Manual page 408

SUBJECT
Upper and Lower Intake and Exhaust M anifolds........................................................................................... 6A4-20
Cam shaft...................................................................................................................................................................... 6A4-21
Camshaft B earings................................................................................................................................................... 6A4-21
Timing Chain and S p ro ckets................................................................................................................................ 6A4-21
Crankshaft Sprocket R eplacem ent.................................................................................................................. 6A4-21
Front C o v e r................................................................................................................................................................ 6A4-21
Coolant P u m p ............................................................................................................................................................ 6A4-22
Oil Pan and Rocker Arm C o v e rs .........................................................................................................................6A4-22
Oil P u m p ...................................................................................................................................................................... 6A4-22
Valve Train Com ponents......................................................................................................................................... 6A4-23
Pushrods, Rocker Arms, Balls, and N u ts .....................................................................................................6A4-24
Hydraulic L ifte rs ........................................................................................................................................................6A4-24
Cylinder Head D isassem bly...................................................................................................................................6A4-24
Cleaning and Inspection of Cylinder Head Components..........................................................................6A4-24
Rocker Arm Stud R eplacem ent....................................................................................................................... 6A4-25
Cylinder Head A ssem b ly........................................................................................................................................ 6A4-25
Thermostat and Coolant O u tlet............................................................................................................................ 6A4-25
Torsional D a m p e r..................................................................................................................................................... 6A4-26
Crankshaft and Bearings........................................................................................................................................ 6A4-26
Crankshaft Rear Oil Seal R etainer...................................................................................................................... 6A4-26
Flyw heel....................................................................................................................................................................... 6A4-27
Assembly of the Engine..............................................................................................................................................6A4-27
Prior to Assem bly..................................................................................................................................................... 6A4-27
Crankshaft and Main Bearing Installation......................................................................................................... 6A4-27
Crankshaft Rear Oil Seal Retainer Installation............................................................................................... 6A4-28
Crankshaft Rear Oil Seal Installation.................................................................................................................6A4-28
Camshaft Installation...............................................................................................................................................6A4-28
Balance Shaft Installation.......................................................................................................................................6A4-29
Timing Chain and Sprocket Installation............................................................................................................ 6A4-30
Front Cover Installation.......................................................................................................................................... 6A4-31
Torsional Damper Installation............................................................................................................................... 6A4-31
Piston and Connecting Rod Installation........................................................................................................... 6A4-31
Connecting Rod Bearing Selection......................................................................... .......................................6A4-31
Oil Pump Installation................................................................................................................................................6A4-33
Oil Pan Installation................................................................................................................................................... 6A4-33
Cylinder Head Installation......................................................................................................................................6A4-34
Valve Train Component Installation.................................................................................................................... 6A4-34
Lower Intake Manifold Installation...................................................................................................................... 6A4-35
Upper Intake Manifold Installation...................................................................................................................... 6A4-36
Rocker Arm Cover Installation............................................................................................................................. 6A4-36
Exhaust Manifold Installation................................................................................................................................ 6A4-37
EGR Valve Installation............................................................................................................................................ 6A4-37
Flywheel Installation.................................................................................................................................................6A4-37
Coolant Pump Installation......................................................................................................................................6A4-37
Engine Accessory Installation.............................................................................................................................. 6A4-37
Engine Setup and Testing......................................................................................................................................6A4-38
S pecifications................................................................................................................................................................ 6A4-39
Engine Specifications............................................................................................................................................. 6A4-39
Fastener Tightening Specifications..................................................................................................................... 6A4-39
Special T o o ls ................................................................................................................................................................. 6A4-42
CONTENTS (cont'd)
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