Mitsubishi F9Q2 Manuale di istruzioni

Pub. No. PWEE0001-A

11A

ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MITSUBISHI

ENGINE F9Q

WORKSHOP MANUAL

FOREWORD

This Workshop Manual contains procedures for

removal, disassembly, inspection, adjustment,

reassembly and installation, etc. for service

mechanics.

All information, illustrations and product

descriptions contained in this manual are current

as at the time of publication. We, however, reserve

the right to make changes at any time without prior

notice or obligation.

EMitsubishi Motors Corporation Mar. 2001

FILING INSTRUCTION

Please keep these manual pages in the

binder No. BN940001.

File these pages according to the signs

“Added”, “Revised” and “Deleted” on the “List

of effective pages” which are interpreted

below.

Added:

File the pages with this sign additionally in

your manual.

Revised, Deleted:

Replace the existing pages with the

corresponding pages with this sign.

Missing sheets will be supplied upon request.

INTRODUCTION

Symbols for Lubrication, Sealants and Adhesives

Information concerning the locations for lu-

brication and for application of sealants and

adhesives is provided, by using symbols, in

the diagram of component parts, or on the

page following the component parts page,

and explained.

: Grease

(multipurpose grease unless there is

a brand or type specified)

: Sealant or adhesive

: Brake fluid, automatic transmission fluid

or air conditioner compressor oil

: Engine oil or gear oil

Maintenance and Servicing Procedures

(1) A diagram of the component parts is

provided near the front of each section in

order to give the reader a better under-

standing of the installed condition of

component parts.

(2) The numbers provided within the diagram

indicate the sequence for maintenance and

servicing procedures.

: Indicates a non-reusable part.

The tightening torque is provided where

applicable.

DRemoval steps:

The part designation number corresponds

to the number in the illustration to indicate

removal steps.

DDisassembly steps:

The part designation number corresponds

to the number in the illustration to indicate

disassembly steps.

DInstallation steps:

Specified in case installation is impossible

in reverse order of removal steps. Omitted

if installation is possible in reverse order

of removal steps.

DReassembly steps:

Specified in case reassembly is impossible

in reverse order of disassembly steps.

Omitted if reassembly is possible in reverse

order of disassembly steps.

EXPLANATION OF MANUAL CONTENTS

Classification of Major Maintenance/Service Points

When there are major points relative to maintenance and servicing procedures

(such as essential maintenance and service points, maintenance and service stan-

dard values, information regarding the use of special tools, etc.), these are ar-

ranged together as major maintenance and service points and explained in detail.

AA": Indicates that there are essential points for removal or disassembly.

"AA: Indicates that there are essential points for installation or reassembly.

Indicates the

group title.

Indicates the

section title.

Indicates the

group number.

Indicates the

section number.

Indicates the

page number.

Denotes tightening

torque.

Operating procedures, cau-

tions, etc. on removal, instal-

lation, disassembly and

reassembly are described.

Publication number-Revision code

This number corresponds to

the number appearing in

“Removal steps”,

“Disassembly steps”,

“Installation steps” or

“Reassembly steps”.

Denotes non-reusable part.

Issue date

INTRODUCTION

11A-0-1 to 11A-0–3 Jun. 2000

11A-1-1 Jun. 2000

11A-1-2 and 11A-1-3 A Mar. 2001 Revised

11A-2-1 Jun. 2000

11A-2-2 A Mar. 2001 Revised

11A-2-3 A Mar. 2001 Added

11A-3-1 and 11A-3-2 A Mar. 2001 Revised

11A-4-1 to 11A-4-5 A Mar. 2001 Revised

11A-5-1 Jun. 2000

11A-6-1 and 11A-6-2 A Mar. 2001 Revised

11A-7-1 Jun. 2000

11A-8-1 A Mar. 2001 Revised

11A-9-1 Jun. 2000

11A-10-1 and 11A-10-2 A Mar. 2001 Revised

11A-10-3 A Mar. 2001 Added

11A-11-1 Jun. 2000

11A-11-2 A Mar. 2001 Revised

11A-11-3 Jun. 2000

11A-11-4 to 11A-11-6 A Mar. 2001 Revised

11A-11-7 Jun. 2000

11A-12-1 and 11A-12-2 A Mar. 2001 Revised

11A-12-3 A Mar. 2001 Added

11A-13-1 Jun. 2000

11A-13-2 and 11A-13-3 A Mar. 2001 Revised

11A-14-1 Jun. 2000

11A-14-2 and 11A-14-3 A Mar. 2001 Revised

11A-14-4 Jun. 2000

LIST OF EFFECTIVE PAGES

Page Revision

Code Date Remarks Page Revision

Code Date Remarks

Missing sheets willbe suppliedupon request.

PWEE0001-A

EMar. 2001Mitsubishi Motors Corporation Added

GENERAL INFORMATION 11A-0-3...............................

1. SPECIFICATIONS 11A-1-1...................................

SERVICE SPECIFICATIONS 11A-1-1........................

TORQUE SPECIFICATIONS 11A-1-2.........................

2. SPECIAL TOOLS 11A-2-1....................................

3. CRANKSHAFT PULLEY 11A-3-1..............................

4. TIMING BELT 11A-4-1.......................................

5. OIL SEPARATOR AND OIL RETURN PIPE 11A-5-1.............

6. INJECTION PUMP AND FUEL INJECTOR 11A-6-1..............

7. VACUUM HOSE 11A-7-1.....................................

8. INTAKE AND EXHAUST 11A-8-1..............................

9. WATER PUMP AND WATER PIPE 11A-9-1.....................

10. CAMSHAFT AND VACUUM PUMP 11A-10-1....................

11. CYLINDER HEAD 11A-11-1...................................

12. OIL PAN AND OIL PUMP 11A-12-1.............................

13. PISTON 11A-13-1............................................

14. CYLINDER BLOCK 11A-14-1..................................

11A-0-1

ENGINE

F9Q SERIES

CONTENTS

PWEE0001

EJun. 2000Mitsubishi Motors Corporation

11A-0-2

NOTES

PWEE0001

EJun. 2000Mitsubishi Motors Corporation

F9QENGINE-GeneralInformation 11A-0-3

Description Specification

Type F9Q1,F9Q2

Numberandarrangementofcylinders 4in-line

Totaldisplacement 1870cm3

Cylinderbore´Stroke 83´93

Compressionratio 19

Valvemechanism Singleoverheadcamshaft

Numberofvalve Intake 4

Exhaust 4

Valvetiming Intakeopening BTDC3_

Intakeclosing ABDC21_

Exhaustopening BBDC46_

Exhaustclosing BTDC6_

Turbocharger Exhaustgasturbocharger

Fuelinjectionsystem Directinjectionsystem(commonrailfuelinjection)

PWEE0001

EJun.2000MitsubishiMotorsCorporation

F9Q ENGINE - Specifications 11A-1-1

1. SPECIFICATIONS

SERVICE SPECIFICATIONS

Item Standard Limit

Timing belt

Timing belt tension Hz 90 ±15 -

Camshaft and vacuum pump

End play mm 0.05 - 0.13 -

Cylinder head

Piston protrusion above cylinder block mm 0.653 - 0.786 -

Valve stem diameter mm 6.98 - 6.99 -

Valve seat angle 45_-

Valve projection mm - 0.03 - 0.21 -

Cylinder head overall height mm 161.9 - 162.1 -

Flatness of cylinder head gasket surface mm 0.05 -

Valve spring free height mm 45.8 -

Valve guide inner diameter mm 7.00 - 7.02 -

Valve guide outer diameter mm 12.03 - 12.05 -

Valve guide installation height mm 80.7 - 81.4 -

Tappet height mm 34.97 - 34.99 -

Valve clearance mm Intake 0.20 -

Exhaust 0.40 -

Piston

Piston outer diameter mm 80 -

Piston ring thickness mm Piston ring No.1 2.5 -

Piston ring No.2 2.0 -

Oil ring 3.0 -

Connecting rod length mm 139 -

PWEE0001

EJun. 2000Mitsubishi Motors Corporation

F9Q ENGINE – Specifications

11A-1-2

TORQUE SPECIFICATIONS

Item Nm

Crankshaft pulley

Bracket bolt 44 ±4

Crankshaft pulley 20 ±2 )115_±15_

Timing belt

Timing belt cover 9 ±0.9

Tensioner pulley nut 50 ±5

Tensioner plate bolt 10 ±1

Camshaft sprocket bolt 60 ±6

Oil separator and oil return pipe

Oil return pipe bolt 12 ±1

Turbocharger oil feed pipe bolt 24 ±10

Turbo nipple 26 ±2

Injection pump and fuel injector

High pressure pipe nut 25 ±2

Pressure sensor 25 ±0.2

Injection rail mounting bolt 25 ±2

Injection pump pulley 15 ±1 + 60_±10_

Injection pump bracket bolt 62 ±6

Pressure regulator 35 ±5

Intake and exhaust

Engine hanger bolt 20 ±2

Flap box bolt 8 ±0.8

EGR valve bolt 8 ±0.8

Turbocharger nut 24 ±10

Manifold nut 28 ±2

Water pump and water pipe

Water pump bolt 10 ±1

Water inlet pipe bolt 39 ±3

PWEE0001-A

EMar. 2001Mitsubishi Motors Corporation Revised

F9Q ENGINE – Specifications 11A-1-3

Item Nm

Camshaft and vacuum pump

Engine hanger bolt 13 ±1

Glow plug 15 ±1

Camshaft position sensor screw 8.8 ±1.5

Cylinder head cover bolt 12 ±1

Bearing cap bolt 20 ±2

Oil pan and oil pump

Oil pan bolt 14 ±1

Oil pump bolt 25 ±2

Cylinder block front plate bolt 15 ±1.5

Piston

Connecting rod cap bolt 50 ±5

Cylinder block

Flywheel bolt 55 ±5

Bearing cap bolt 65 ±6

PWEE0001-A

EMar. 2001Mitsubishi Motors Corporation Revised

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