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ENGINE DIVISION SERVICE MANUAL
TM 5-4210-230-14&P-1
ENGINE
ENGINE
MODELS: MV---404, MV-446
CONTENTS
Subject
Page
GENERAL: .......................................................................................................................................................................... 2
Engine description ........................................................................................................................................................ 2
Engine lubrication system ............................................................................................................................................ 5
Engine lubrication priming ............................................................................................................................................ 7
Engine mountings ........................................................................................................................................................ 7
Crankcase ventilation system ....................................................................................................................................... 8
Engine removal ............................................................................................................................................................ 8
Engine installation ........................................................................................................................................................ 9
ENGINE DISASSEMBLY: ................................................................................................................................................. 10
ENGINE OVERHAUL:........................................................................................................................................................ 25
Cylinder Block ............................................................................................................................................................ 25
Pistons and Piston Pins ............................................................................................................................................. 30
Connecting Rods ........................................................................................................................................................ 32
Connecting Rod Caps and Bolts ................................................................................................................................. 35
Piston Rings .............................................................................................................................................................. 36
Cylinder Heads, Valves, Valve Guides, Springs, Etc ................................................................................................... 37
Rocker Arm Assembly ................................................................................................................................................ 43
Push Rods ................................................................................................................................................................. 43
Hydraulic Valve Lifters (Tappets) ................................................................................................................................ 44
Operation ............................................................................................................................................................ 44
When to Service .................................................................................................................................................. 45
Disassembly ....................................................................................................................................................... 46
Servicing .............................................................................................................................................................. 47
Crankshaft ................................................................................................................................................................. 48
Camshaft ................................................................................................................................................................... 48
Crankshaft Bearings ................................................................................................................................................... 49
Oil Pump Assembly ................................................................................................................................................... 52
Oil Cooler and Filter Base .......................................................................................................................................... 53
Oil Cooler Pressure Test ............................................................................................................................................ 53
Oil Pan ...................................................................................................................................................................... 55
Manifolds ................................................................................................................................................................... 55
Flywheel and Ring Gear ............................................................................................................................................. 55
Water Pump and Coolant Flow ................................................................................................................................... 55
ENGINE ASSEMBLY: ....................................................................................................................................................... 56
TORQUE AND SPECIFICATIONS CHARTS: .................................................................................................................... 66
*For complete engine tune-up specifications and troubleshooting guide, refer to Emission Control Systems for Gasoline Engines
Service Manual; 1976 CTS-2694, 1977 CTS-2721, 1978 CTS-2733 and 1979 CGES-135.
6/79 CGES-210 Page 1
PRINTED IN UNITED STATES OF AMERICA
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