1991 SUBARU SVX Service and Repair Manual

MSA5P0631C 6 Cylinder Boxer Engines Series Module 104-H6 December 2009 CERTIFIED TECHNICIAN Technician Reference Booklet Technical Training

© Subaru of America, Inc. 2009 912 to 919 © Copyright 2009 Subaru of America, Inc. All rights reserved. This book may not be reproduced in whole or in part without the express permission of Subaru of America, Inc. Speciﬁcations in this Guide are based on the latest product information available at the time of publication. Some images shown are for illustration purposes only. Subaru of America, Inc. reserves the right at any time to make changes or modiﬁcations to systems, procedures, descriptions, and illustrations contained in this book without necessarily updating this document. Information contained herein is considered current as of December 2009.

6 Cylinder Boxer Engines Series (104-H6)  December 2009 TABLE OF CONTENTS 3.0 LITER ENGINE............................................................................................ 6 General Information .................................................................................. 6 3.0 Liter Engine Features ......................................................................... 6 3.0 Speciﬁcations...................................................................................... 6 3.0 LITER ENGINE DISASSEMBLY ................................................................. 9 Unloading Cam Sprockets ...................................................................... 13 Removal of Oil Pump .............................................................................. 15 O-Ring Placement Inner Cover ..................................................... 18 Removal of Cylinder Head ............................................................ 18 Removal of Oil Pan ....................................................................... 19 Piston Pin Access ......................................................................... 20 Splitting Block Halves ................................................................... 20 Lubrication System ....................................................................... 21 Coolant System............................................................................. 22 Valve Adjustment .......................................................................... 23 Chain Tensioners .......................................................................... 2 3.0 LITER VALVE CLEARANCE ADJUSTMENT- 2001~200 ....................... 25 Adjustment .................................................................................... 25 3.0 LITER ENGINE REASSEMBLY ................................................................ 29 2005 VARIABLE VALVE LIFT SYSTEM ......................................................... 37 VALVE CLEARANCE 3.0 H6 .......................................................................... 39 Inspection...................................................................................... 39 Valve clearance ...................................................................................... 1 ADJUSTMENT........................................................................................ 1 INTAKE SIDE................................................................................ 1 EXHAUST SIDE ..................................................................................... 3 6 CYLINDER AIR BLEED PROCEDURE 05MY AND NEWER ...................... 7 INTRODUCTION 3.6 LITER ENGINE ............................................................. 8 Enhancements / Changes ...................................................................... 9 TIMING CHAINS ............................................................................................. 52 Timing Chain Removal ........................................................................... 5 Right Bank .................................................................................... 5 Left Bank ...................................................................................... 55 TIMING CHAIN INSTALLATION ..................................................................... 56 THE DUAL ACTIVE VALVE TIMING SYSTEM ............................................... 60 OIL PUMP ....................................................................................................... 68 CYLINDER HEAD REMOVAL ......................................................................... 69

6 Cylinder Boxer Engines Series (104-H6) 5 December 2009 CYLINDER BLOCK ......................................................................................... 73 WATER PUMP ................................................................................................ 7 COOLING SYSTEM ........................................................................................ 80 OIL PUMP ....................................................................................................... 81 OIL LEVEL SENSOR ...................................................................................... 82 GENERAL HAND TOOLS AND SUPPLIES .................................................... 85 Reference Materials................................................................................ 85 Special Tools .......................................................................................... 85 SERVICE BULLETINS .................................................................................... 88 SERVICE BULLETINS .................................................................................... 89 WARRANTY BULLETIN .................................................................................. 90 TECH TIPS ...................................................................................................... 92 TECH TIPS ...................................................................................................... 93

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1991 SUBARU SVX Service and Repair Manual

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