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Generac Power Systems 3.9

Generac Power Systems 3.9
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3.9LITER
SERVICE
MANUAL
Manual Part No. 0E9755
CHRYSLER
GAS
ENGINE
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Generac Power Systems 3.9 Specifications

General IconGeneral
Lubrication SystemSplash
Starter SystemRecoil
Engine TypeOHV
Fuel SystemCarburetor
Oil Capacity0.6 L
Cooling SystemAir Cooled
Spark Plug Gap0.76 mm

Summary

Accessory Drive

Belt Tensioners

Details on the automatic belt tensioner system, including its function and adjustment.

Starting System

Starter System Diagnosis and Testing

Covers troubleshooting common starter system issues and testing procedures.

Ignition Control System

Ignition Timing

Information regarding ignition timing, including engine firing orders and timing specifications.

Engine

Engine 3.9 L Overview

General description of the 3.9L V6 engine, including its configuration and features.

Engine Diagnosis Introduction

Guidance on diagnosing engine malfunctions, covering common causes and recommended procedures.

Engine Mechanical Diagnosis Chart

Provides a chart for diagnosing common engine mechanical issues like noise, oil pressure, and leaks.

Cylinder Compression Test

Procedure for performing a cylinder compression test to diagnose engine performance issues.

Cylinder Bore Honing

Detailed steps for honing cylinder bores, including tool usage and best practices.

Cylinder Head

Cylinder Head Gasket Failure

Discusses indications of cylinder head gasket leaks and their causes.

IntakeExhaust Valves & Seats

Engine Block

Camshaft & Bearings (In Block)

Crankshaft

Crankshaft Removal

Steps for removing the crankshaft, including oil pan removal and bearing cap removal.

Hydraulic Lifters (Cam in Block)

Hydraulic Tappet Diagnosis and Testing

Procedures for diagnosing and testing hydraulic tappets for noise and operation.

Piston & Connecting Rod

Piston & Connecting Rod Removal

Steps for removing pistons and connecting rods from the engine.

Lubrication

Engine Oil Leak Diagnosis

Methods for diagnosing and locating engine oil leaks.

Oil Pressure

Discusses oil pressure readings and potential causes for low oil pressure.

Intake Manifold

Intake Manifold Leakage Diagnosis

Procedure for diagnosing and testing intake manifold leaks.

Exhaust Manifold

Timing Belt Chain Cover(s)

Timing BeltChain and Sprockets

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