1996 SUBARU LEGACY Service Repair Manual

Page 465 of 2890

SUBARU LEGACY 1996  Service Repair Manual TROUBLE
Engine will not start.
Rough idle and engine stall
Low output, hesitation and poor acceleration
Surging
Engine does not return to idle.
Dieseling (Run-on)
After burning in exhaust system
Knock

Page 466 of 2890

SUBARU LEGACY 1996  Service Repair Manual 2. Engine Noise
Valve lash adjusters may make clicking noise once engine
starts. It is normal if clicking noise ceases after a few min-
utes.
If clicking noise continues for more than a few minutes,
i

Page 467 of 2890

SUBARU LEGACY 1996  Service Repair Manual If noise still exists, conduct diagnostics procedures in
accordance with the following table.
CAUTION:
Do not disconnect spark plug cord while engine is run-
ning.
Type of sound Condition Possible cau

Page 468 of 2890

SUBARU LEGACY 1996  Service Repair Manual 1. Lubrication System
A: SPECIFICATIONS
1. 2200 cc MODEL
Lubrication methodForced lubrication
Oil pumpPump typeTrochoid type
Number of teethInner rotor 9
Outer rotor 10
Outer rotor diameter x thicknes

Page 469 of 2890

SUBARU LEGACY 1996  Service Repair Manual 2. 2500 cc MODEL
Lubrication methodForced lubrication
Oil pumpPump typeTrochoid type
Number of teethInner rotor 9
Outer rotor 10
Outer rotor diameter x thickness 78 x 10 mm (3.07 x 0.39 in)
Tip cleara

Page 470 of 2890

SUBARU LEGACY 1996  Service Repair Manual 1. Lubrication System
B2M0314A
1Plug

2Washer

3Relief valve spring

4Relief valve

5Oil seal

6Oil pump case

7Inner rotor

8Outer rotor

9Oil pump cover

10Oil filter

11O-ring

12Oil pu

Page 471 of 2890

SUBARU LEGACY 1996  Service Repair Manual G2M0066
1. Oil Pump
A: REMOVAL
1) Drain engine oil.
Set container under the vehicle, and remove drain plug
from oil pan.
B2M0051A
2) Drain coolant.
Set container under the vehicle, and remove drain co

Page 472 of 2890

SUBARU LEGACY 1996  Service Repair Manual G2M0071
7) Remove oil pump by using flat-bladed screwdriver.
CAUTION:
Be careful not to scratch mating surfaces of cylinder
block and oil pump.
B2M0315A
B: DISASSEMBLY
Remove screws which secure oil p