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1981
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Forward Control 4.8L Eng VIN T, Standard Trans
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Repair and Diagnosis (Single Page)
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Engine Mechanical
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Mechanical
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4.1 L & 4.8L 6-Cylinder Engines
4.1 L & 4.8L 6-Cylinder Engines
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Identification Coding
Engine Identification
Engine Removal
Cylinder Head & Manifolds
INTAKE & EXHAUST MANIFOLD (4.8L Engine)
Removal
Installation
EXHAUST MANIFOLD (4.1 L Engine)
Notes
Removal
Installation
Cylinder Head
Removal
Installation
Valves
Valve Arrangement
Valve Guides
Valve Stem Oil Seals
Valve Springs
Removal
Installation
Valve Spring Installed Height
Rocker Arm Studs
Notes
Removal
Installation
Hydraulic Valve Lifter Assembly
Disassembly
Reassembly
Hydraulic Valve Lifter Adjustment
Piston, Pins & Rings
Oil Pan
Piston & Rod Assembly
Removal
Installation
Fitting Pistons
Piston Pins
Removal
Installation
Crankshaft & Rod Bearings
Main & Connecting Rod Bearings
Notes
Connecting Rod Bearings
Main Bearings
Thrust Bearing Alignment
Rear Main Bearing Oil Seal
Removal
Installation
Camshaft
Engine Front Cover
Removal
Installation
Front Cover Oil Seal
With Cover Removed
With Cover Installed
Camshaft
Removal
Installation
Timing Gears
Notes
Removal
Installation
Camshaft Bearings
Removal
Installation
Camshaft End Thrust
Cam Lobe Lift
Engine Oiling
Crankcase Capacity
Oil Filter
Oil Pressure
Engine Oiling System
Oil Pump
Notes
Removal
Installation
Engine Specifications
Torque Specifications