Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 02. ENGINE SECTION (STi) 07. LUBRICATION 04. Oil Pump

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                                                  OIL PUMP
LUBRICATION

4. Oil Pump                                              7) Remove the crankshaft position sensor.

A: REMOVAL
1) Disconnect the ground cable from battery.




                                                                                               LU-00046

                                                         8) Remove the V-belts.
                                      FU-00009
                                                         
                                                         9) Remove the rear side V-belt tensioner.
2) Lift-up the vehicle.
3) Remove the under cover.
4) Remove the bolts which install the water pipe of
oil cooler to oil pump.




                                                                                               LU-00011

                                                         10) Remove the crankshaft pulley by using ST.
                                                         

5) Remove the water pipe and hoses between oil
cooler and water pump.




                                                                                               LU-00012

                                                         11) Remove the water pump. 
                                                         12) Remove the timing belt guide.
6) Remove the radiator. 




                                                                                               LU-00013




                                                  LU(STi)-10
                                                 OIL PUMP
                                                                                                 LUBRICATION

13) Remove the crankshaft sprocket.                     B: INSTALLATION
                                                        Install in the reverse order of removal.
                                                        Do the following:
                                                        1) Apply fluid packing to the matching surfaces of
                                                        oil pump.
                                                        Fluid packing:
                                                          THREE BOND 1215 (Part No. 004403007) or
                                                          equivalent


                                      LU-00014

14) Remove the bolts which install the oil pump
onto cylinder block.

                                                                                           (A)



                                                                                                   LU-00017

                                                        2) Replace the O-ring (A) with a new one.
                                                        3) Apply a coat of engine oil to the inside of oil seal.


                                      LU-00015

15) Remove the oil pump using the flat tip screw-
driver.
CAUTION:
Be careful not to scratch the mating surfaces of
cylinder block and oil pump.

                                                                                                   LU-00018

                                                        4) Be careful not to scratch the oil seal when install-
                                                        ing the oil pump on cylinder block.
                                                        5) Position the oil pump, aligning the notched area
                                                        with crankshaft, and push the oil pump straight.
                                                        CAUTION:
                                                        Make sure the oil seal lip is not folded.
                                                        6) Install the oil pump.
                                      LU-00016
                                                        Tightening torque:
                                                          6.4 N

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