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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