ENGINE COVERED 

4.0L BARRA PETROL ASPIRATED 

4.0L BARRA E-GAS ASPIRATED 

4.0L  TURBOCHARGED BARRA PETROL ASPIRATED 

5.4L 3V & 4V, DOHC, BOSS SFI PETROL ASPIRATED 

TRANSMISSION COVERED 

4-SPEED AUTOMATIC  BTR 93LE

6-SPEED AUTOMATIC  ZF 6HP26

5-SPEED AUTOMATIC  5R55S 

6-SPEED MANUAL  TR-6060 

CONTENTS

INTRODUCTION 

TORQUE CONVERTER 

SPECIAL SERVICE TOOLS 

DESCRIPTION & OPERATION 

DIAGNOSIS AND TESTING 

GENERAL PROCEDURES 

ENGINE MECHANICAL 

ENGINE MOUNTING SYSTEM 

INDUCTION SYSTEM 

LUBRICATION SYSTEM 

COOLING SYSTEM 

DRIVE BELT SYSTEM 

INTAKE MANIFOLD SYSTEM 

EXHAUST MANIFOLD 

TURBOCHARGER SYSTEM 

CHARGE AIR COOLER SYSTEM 

E-GAS LPG SYSTEM 

BATTERY CHARGING SYSTEM 

THROTTLE BODY SYSTEM 

ACCESSORY DRIVE SYSTEM 

ENGINE STARTING SYSTEM 

ENGINE EMISSION CONTROL 

INTAKE AIR SYSTEM 

ENGINE FUEL SYSTEM 

FUEL TANK-PUMP-FILTER 

IGNITION SYSTEM 

FUEL RAIL & INJECTOR 

EVAPORATIVE EMISSION SYSTEM 

POWER-TRAIN CONTROL MODULE 

ELECTRONIC THROTTLE CONTROL 

FUEL CHARGING & CONTROLS 

SUSPENSION SYSTEM 

DRIVE LINE SYSTEM 

DRIVE AXLE & DIFFERENTIAL 

PARKING BRAKE & ACTUATION 

HYDRAULIC BRAKE ACTUATION 

BRAKE & STABILITY CONTROL SYSTEM 

POWER STEERING SYSTEM 

STEERING LINKAGE & COLUMN 

AUTOMATIC TRANSMISSION 

CLUTCH CONTROL SYSTEM 

MANUAL TRANSMISSION 

CLIMATE CONTROL SYSTEM 

INSTRUMENT CLUSTER & PANELS 

PARKING AID SYSTEM 

INTERIOR COMMAND CENTER

ALTERNATOR & REGULATOR 

AUDIO & ENTERTAINMENT SYSTEM 

LIGHTING SYSTEM 

MODULE COMMUNICATIONS NETWORK 

BODY ELECTRONICS MODULE (BEM) 

TRIM  ORNAMENTATION SYSTEM 

SEAT & SEAT BELT SYSTEM 

BODY CLOSURE & BODY REPAIR 

GLASS-FRAMES & MECHANISM 

HANDLES-LOCKS-LATCHES & ENTRY SYSTEM 

WIPERS & WASHERS SYSTEM 

OCCUPANT RESTRAINTS SYSTEM 

SHEET METAL REPAIRS SYSTEM 

BATTERY-MOUNTING & CABLES 

CONNECTOR LOCATION & END VIEWS 

WIRING DIAGRAMS