Subaru Legacy III (2000-2003 year). Service manual — part 290
LU(H6DO)-20
LUBRICATION
ENGINE LUBRICATION SYSTEM TROUBLE IN GENERAL
10.Engine Lubrication System Trouble in General
A: INSPECTION
Before performing diagnostics, make sure that the engine oil level is correct and no oil leakage exists.
Trouble
Possible cause
Corrective action
1. Warning light remains ON.
1) Oil pressure
switch failure
Cracked diaphragm or pressure leakage
within switch
Replace.
Broken spring or seized contacts
Replace.
2) Low oil pressure
Clogged oil filter
Replace.
Malfunction of oil by-pass valve of oil filter
Clean or replace.
Malfunction of oil relief valve of oil pump
Clean or replace.
Clogged oil passage
Clean.
Tip clearance and side clearance of oil
pump rotor and gear
Replace.
Clogged oil strainer or broken pipe
Clean or replace.
3) No oil pressure
Insufficient engine oil
Replenish.
Broken pipe of oil strainer
Replace.
Oil pump rotor does not rotate.
Replace.
2. Warning light does not go on.
1) Broken line related to bulb
Replace.
2) Poor contact of switch contact points
Replace.
3) Disconnection of wiring
Repair.
3. Warning light flickers momen-
tarily.
1) Poor contact at terminals
Repair.
2) Defective wiring harness
Repair.
3) Low oil pressure
Check for the same possi-
ble causes as listed in
1.—2).
SPEED CONTROL SYSTEMS
SP(H6DO)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Accelerator Pedal. . . . . . . . . . . . . . . . . . . . . . 4
Accelerator Control Cable . . . . . . . . . . . . . . . . . . ...8
SP(H6DO)-2
SPEED CONTROL SYSTEMS
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATION
B: COMPONENT
1. LHD MODEL
Accelerator pedal
Free play
At pedal pad
0 — 4 mm (0 — 0.16 in)
Stroke
At pedal pad
50 — 55 mm (1.97 — 2.17 in)
(1) Accelerator bracket
(7) Accelerator pedal lever
(13) Kick-down switch
(2) Stopper
(8) Spring pin
(3) Bushing
(9) Accelerator pedal
Tightening torque: N·m (kgf-m, ft-lb)
(4) Clip
(10) Accelerator stopper
T1: 12 (1.2, 8.7)
(5) Accelerator spring
(11) Accelerator plate
T2: 18 (1.8, 13.0)
(6) Accelerator pedal spring
(12) Clip
( 1 )
( 2 )
( 3 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
( 9 )
(10)
(11)
(12)
(13)
T2
SP-00021
T1
SP(H6DO)-3
SPEED CONTROL SYSTEMS
GENERAL DESCRIPTION
2. RHD MODEL
C: CAUTION
• Wear work clothing, including a cap, protective
goggles, and protective shoes during operation.
• Remove contamination, including dirt and corro-
sion, before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly, and replacement.
• Be careful not to burn your hands, because each
part in the vehicle is hot after running.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or safety stands at the specified
points.
• Before disconnecting electrical connectors of
sensors or units, be sure to disconnect ground ca-
ble from battery.
(1) Accelerator bracket
(7) Accelerator spring
Tightening torque: N·m (kgf-m, ft-lb)
(2) Stopper
(8) Bushing
T1: 12 (1.2, 8.7)
(3) Accelerator pedal lever
(9) Clip
T2: 18 (1.8, 13.0)
(4) Accelerator pedal spring
(10) Accelerator stopper
(5) Accelerator pedal
(11) Kick-down switch
(6) Spring pin
SP-00022
T2
T1
( 1 )
( 2 )
( 3 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
( 9 )
(10)
(11)
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