Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1998 1998 Service Manual ENGINE SECTION ENGINE LUBRICATION SYSTEM MSA5TCD98L20888
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2-4 [W1A0] SERVICE PROCEDURE
1. Oil Pump
1. Oil Pump 6) Lower the vehicle.
7) Remove crankshaft position sensor.
A: REMOVAL
1) Disconnect battery ground cable.
B2M1252A
8) Remove camshaft position sensor.
G6M0095
2) Lift-up the vehicle.
3) Remove under cover.
G2M0417
9) Remove V-belts.
B2M0014
4) Drain coolant.
G2M0286
10) Remove rear side V-belt tensioner.
B2M0015A
5) Remove radiator.
S2M0113
S2M0033
6
SERVICE PROCEDURE [W1A0] 2-4
1. Oil Pump
11) Remove crankshaft pulley by using ST. 15) Remove bolts which install oil pump onto cyl-
ST 49997700 CRANKSHAFT PULLEY inder block.
WRENCH
S2M0117
S2M0114
16) Remove oil pump by using flat bladed screw-
12) Remove water pump. driver.
CAUTION:
Be careful not to scratch mating surfaces of
cylinder block and oil pump.
S2M0022
13) Remove timing belt guide. (MT vehicles only)
S2M0722A
S2M0115
14) Remove crankshaft sprocket.
S2M0116
7
2-4 [W1B0] SERVICE PROCEDURE
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)
B2M1913A
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
B2M1912A
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
B2M1914A
8
SERVICE PROCEDURE [W1D0] 2-4
1. Oil Pump
3. SIDE CLEARANCE D: ASSEMBLY
Measure clearance between oil pump inner rotor 1) Install front oil seal by 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)
H2M2423
2) Install inner and outer rotors in their original
positions.
B2M1915 3) Install oil relief valve and relief spring.
4) Install oil pump cover.
4. OIL RELIEF VALVE Tightening torque:
T1: 5 -- 6 N ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo