Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Forester 1999-2004 Approved Subaru Forester 1999-2000 ENGINE SECTION Engine Lubrication System MSA5T0122A27586

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MSA5T0122A27586


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                                      SERVICE PROCEDURE                                    [W1A0] 2-4
                                                                                             1. Oil Pump


1. Oil Pump                                             7) Remove water pipe and hoses between oil
                                                        cooler and water pump. (AT vehicles only)
A: REMOVAL
1) Set the vehicle on the lift.
2) Disconnect battery ground cable.




                                                                                              S2M0112

                                                        8) Lower the vehicle.
                                                        9) Remove radiator. 
                                       G6M0095

3) Lift-up the vehicle.
4) Remove under cover.
5) Drain coolant. 




                                                                                              S2M0033

                                                        10) Remove crankshaft position sensor.


                                          B2M0015

6) Remove bolts which install water pipe of oil
cooler to oil pump. (AT vehicles only)




                                                                                              B2M1252

                                                        11) Remove camshaft position sensor. 


                                          S2M0027




                                                                                              B2M2317




                                                    5
2-4    [W1A0]                      SERVICE PROCEDURE
1. Oil Pump


12) Remove V-belts.               16) Remove timing belt guide. (MT vehicles only)




                                         G2M0286                                              S2M0115

13) Remove rear side V-belt tensioner.                 17) Remove crankshaft sprocket.




                                         S2M0113                                              S2M0116

14) Remove crankshaft pulley using ST.                 18) Remove bolts which install oil pump onto cyl-
ST 499977100 CRANKSHAFT PULLEY                         inder block.
                WRENCH




                                                                                              S2M0117
                                         S2M0114
                                                       19) Remove oil pump using flat bladed screw-
15) Remove water pump.            driver.
                                                       CAUTION:
                                                       Be careful not to scratch mating surfaces of
                                                       cylinder block and oil pump.




                                         S2M0022




                                                                                              S2M1819



                                                   6
                                      SERVICE PROCEDURE                                         [W1C2] 2-4
                                                                                                  1. Oil Pump


B: DISASSEMBLY                                             C: INSPECTION
Remove screws which secure oil pump cover and              1. TIP CLEARANCE
disassemble oil pump.
                                                           Measure the tip clearance of rotors. If the clear-
Inscribe alignment marks on inner and outer rotors
                                                           ance exceeds the limit, replace rotors as a
so that they can be replaced in their original posi-
                                                           matched set.
tions during reassembly.
                                                           Tip clearance:
CAUTION:
                                                             Standard
Before removing relief valve, loosen plug when
                                                                0.04 -- 0.14 mm (0.0016 -- 0.0055 in)
removing oil pump from cylinder block.
                                                             Limit
                                                                0.18 mm (0.0071 in)




                                                                                                   S2M0736



                                                           2. CASE CLEARANCE
                                                           Measure the clearance between the outer rotor
                                                           and the cylinder block rotor housing. If the clear-
                                                           ance exceeds the limit, replace the rotor.
                                                           Case clearance:
                                                             Standard
                                        S2M0121A
                                                               0.10 -- 0.175 mm (0.0039 -- 0.0069 in)
                                                             Limit
   (A)   Oil seal                                              0.20 mm (0.0079 in)
   (B)   Pump case
   (C)   Inner rotor
   (D)   Outer rotor
   (E)   Pump cover
   (F)   Relief valve
   (G)   Relief spring
   (H)   Plug
   (I)   Washer



                                                                                                   S2M0737




                                                       7
2-4    [W1C3]                        SERVICE PROCEDURE
1. Oil Pump


3. SIDE CLEARANCE                                         D: ASSEMBLY
Measure clearance between oil pump inner rotor            1) Install front oil seal using ST.
and pump cover. If the clearance exceeds the limit,       ST 499587100 OIL SEAL INSTALLER
replace rotor or pump body.
                                                          CAUTION:
Side clearance:                                           Use a new oil seal.
  Standard
    0.02 -- 0.07 mm (0.0008 -- 0.0028 in)
  Limit
    0.15 mm (0.0059 in)




                                                                                                 S2M0235A

                                                          2) Install inner and outer rotors in their original
                                                          positions.
                                        G2M0075           3) Install oil relief valve and relief spring.
                                                          4) Install oil pump cover.
4. OIL RELIEF VALVE                                       Tightening torque:
                                                              T1: 5 -- 6 N



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