MITSUBISHI
ENGINE
                                              4D68 (E - W)
                                      WORKSHOP MANUAL
                        FOREWORD
This Workshop Manual contains procedures for                 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
removal, disassembly, inspection, adjustment,
                                                                                                                                                    11A
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.
            FILING INSTRUCTION
  Please keep these manual pages in the binder
  No. BN890001.
  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.
                                                                                                    Pub. No. PWEE9609
E Mitsubishi   Motors Corporation Dec. 1996
                                                     INTRODUCTION
EXPLANATION OF MANUAL CONTENTS
       Maintenance and Servicing Procedures
       (1) A diagram of the component parts is             D Removal steps:
           provided near the front of each section in        The part designation number corresponds
           order to give the reader a better under-          to the number in the illustration to indicate
           standing of the installed condition of            removal steps.
           component parts.                                D Disassembly steps:
       (2) The numbers provided within the diagram           The part designation number corresponds
           indicate the sequence for maintenance and         to the number in the illustration to indicate
           servicing procedures.                             disassembly steps.
              : Indicates a non-reusable part.             D Installation steps:
           The tightening torque is provided where           Specified in case installation is impossible
           applicable.                                       in reverse order of removal steps. Omitted
                                                             if installation is possible in reverse order
                                                             of removal steps.
                                                           D Reassembly steps:
                                                             Specified in case reassembly is impossible
                                                             in reverse order of disassembly steps.
                                                             Omitted if reassembly is possible in reverse
                                                             order of disassembly steps.
       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
       arranged 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.
       Symbols for Lubrication, Sealants and Adhesives
       Information concerning the locations for                : Grease (multipurpose grease unless
       lubrication and for application of sealants               there is a brand or type specified)
       and adhesives is provided, by using sym-
       bols, in the diagram of component parts, or             : Sealant or adhesive
       on the page following the component parts
       page, and explained.                                    : Brake fluid, automatic transmission fluid
                                                                 or air conditioner compressor oil
                                                               : Engine oil or gear oil
E Mitsubishi Motors Corporation   Dec. 1996             PWEE9609
                                                                                               INTRODUCTION
   Indicates the                          Indicates the                          Indicates the                 Indicates the           Indicates the
   group title.                           section title.                         group number.                 section num-            page number.
                                                                                                               ber.
               4G68 ENGINE (E- W) - Water Pump, Thermostat, Hose and Pipes                                                11A-7-1
    7. WATER PUMP, THERMOSTAT, HOSE AND PIPES
    REMOVAL AND INSTALLATION
                                      16 Nm
                                               1             2                                                                              Denotes non-reusable part.
                                                                           17
                                                         3
                                              4                  18
                                                                                               22 Nm
                                                                            8
                                       45 Nm            9 Nm
                                                                                                                                                    Denotes tightening
                                                   5                                                      19   23 Nm
                                                                                                                                                    torque.
                                                                       7                  23 Nm    20
                                                                       11 Nm
                             12 Nm           16              6                  10
                      15                                                             22                        12 Nm
                                                                                          9              21
                                                                                               35 Nm
                                                                                          11
                      14                                                                                                                     This number corresponds to
                                                                                                                                             the number appearing in
                 12                                                                   19 Nm                                                  “Removal steps”,
                                                                                                                                             “Disassembly steps”,
                                                                                                                                             “Installation steps” or
                                                                                                                                             “Reassembly steps”.
                                     13
                        13 Nm
                 Removal steps
                1. Eyebolt                                                                12.     Water pump
                2. Gasket                                                                 13.     Water pump gasket
                3. Oil pipe                                                           "DA 14.     O-ring
                4. Gasket                                                             "DA 15.     Water inlet pipe
                5. Eyebolt                                                            "DA 16.     O-ring
                6. Gasket                                                                 17.     Vacuum pump
                7. Oil return pipe                                                        18.     O-ring
                8. Oil return hose                                                        19.     Water inlet fitting
                9. Engine coolant temperature sensor                                  "CA 20.     Thermostat
           "FA 10. Engine coolant temperature gauge                                   "BA 21.     Water outlet fitting
                   unit                                                               "AA 22.     Thermostat housing                      Operating procedures, cau-
           "EA 11. Cover                                                                                                                  tions, etc. on removal, installa-
                                                                 INSTALLATION SERVICE POINTS                                              tion, disassembly and reas-
                                                                 "AA THERMOSTAT HOUSING INSTALLATION                                      sembly are described.
                                                                 (1) Apply a 3 mm bead of form-in-place gasket (FIPG) to
                                                                     the mounting surface.
                                                                      Specified sealant:
                                                                         Mitsubishi Genuine             Part   No.     MD970389   or
                                                                         equivalent.
                                                   DEN0768
   E Mitsubishi Motors Corporation     Dec. 1996                      PWEE9609
                                     Issue date                                      Publication number-Revision code
E Mitsubishi Motors Corporation                         Dec. 1996                                       PWEE9609
NOTES
E Mitsubishi Motors Corporation   Dec. 1996   PWEE9609