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1988 Subaru Justy GL 4WD

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info@dustysjustys.com

 

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Subaru Justy Service Information

 

Service Capacities and Fluid Type:

Year Engine Oil 5spd 2WD 5spd 4WD ECVT 2WD ECVT 4WD Rear Axle Fuel Tank Cooling System MT Cooling System ECVT
87-88 3.0qt 2.1-2.4qt 3.5qt n/a n/a 0.8qt 9.2 gal 4.5qt 5.2qt
89-94 3.0qt 2.5qt 3.6qt 3.5qt 4.4qt 0.8qt 9.2 gal 4.9qt 5.2qt

Engine Oil: 10W40 Conventional Motor Oil, (don't use synthetic)

Transmission Oil (MT Only): 80W Limited-Slip Axle Fluid (synthetic blend works best) 

Transmission Oil (ECVT Only): Dexron/Mercon III

Rear Axle Fluid: 80W Limited-Slip Axle Fluid (synthetic blend works best)

Fuel Type: Regular Unleaded 87 Octane (R+M/2)

Cooling System: Ethylene-Glycol (green) Anti-Freeze with 50/50 Water Mixture

 

EF10/12 Firing Order and Ignition Diagram:

EF10/12 Ignition Diagram

 

Quick Tune Up Specifications:

Model Plug Gap Timing Fuel Pump Idle Speed Valve Clearance
Carb .040-.045 in 5� BTDC 1.3-2.0 psi 800 rpm .006/.010" int/exh
EMPI .040-.045 in 5� BTDC 43-45 psi 700 rpm .006/.010" int/exh

 

EF10/12 Timing Mark Alignment:

EF10/12 Cam Timing      EF10/12 Crank Timing

 

EF10/12 Cylinder Head Tightening Sequence:

EF10/12 Head Bolt Sequence

 

Alternator Specifications:

Model Output Volts @ 75�F
87-88 45 Amps 14.1-14.8
89-94 55 Amps 14.2-14.8

 

Starter Specifications:

Model Amps Volts No-Load Amps No-Load Volts No-Load RPM
All MT 400 5 45 11.0-11.5 5500 rpm
All ECVT 400 5 90 11.5-12.0 6500 rpm

 

Brake Specifications:

Value 1987-1988 and 1989-1994 DL 1989-1994 GL
Master Cylinder Bore 0.8125 in 0.8125 in
Brake Disc Thickness Maximum 0.710 in 0.710 in
Brake Disc Thickness Minimum 0.610 in 0.610 in
Brake Disc Maximum Runout 0.0059 in 0.0059 in
Brake Drum Inside Diameter 7.09 in 7.09 in
Brake Drum Maximum ID 7.17 in 7.17 in
Front Minimum Lining Thickness 0.295 in 0.315 in
Rear Minimum Lining Thickness 0.067 in 0.067 in

 

Camshaft Specifications:

Camshaft Lobe Elevation Camshaft End Play
1.4520-1.4528 in 0.0012-0.0150 in

 

Crankshaft Specifications:

Journal Diameter Main Bearing Oil Clearance End Play Thrust Number
1.6250-1.6290 in 0.0006-0.0018 in 0.0031-0.0070 in 4

 

PCV System Diagram:

EF12 PCV System Diagram

 

Piston and Ring Specifications:

Piston Clearance Ring Gap Oil Ring Gap Top Clearance Bottom Clearance Oil Control
0.0015-0.0028 in 0.0079-0.0138 in 0.0120-0.0350 in 0.0014-0.0030 in 0.0010-0.0026 in 0

 

Piston Ring Placement:

EF12 Piston Ring Placement

 

Rod Specifications:

Journal Diameter Bearing Oil Clearance Side Clearance
0.6531-1.6535 in 0.0008-0.0021 in 0.0028-0.0130 in

 

Torque Values:

Head Main Bearing Rod Bearing Crank Pulley Flywheel Intake Exhaust Spark Plug
29 then 55 ft lb 30-35 ft lb 29-33 ft lb 58-72 ft lb 65-70 ft lb 14-22 ft lb 15-20 ft lb 15 ft lb

Additional Torque Specifications:

Component SAE ft lb Metric Nm
Lug Nuts 58-72 78-98
Lower Front Strut Mounting Bolts 25-40 34-54
Upper Front Strut Mounting Bolts 29-43 39-59
Front Strut Upper Retaining Nut 22 31
Ball Joint to Housing Bolt 28-37 38-50
Ball Joint to Link Nut 29 39
Front Stabilizer Plate to Crossmember 30 40
Stabilizer Link to Transverse Link 25 34
Stabilizer to Crossmember 21 28
Transverse Link to Crossmember 43-58 59-78
Tension Rod to Bracket Bolt 40-54 54-74
Tension Rod to Transverse Link Bolt 54-69 74-93
Lower Rear Strut Mounting Bolts 72-87 98-118
Upper Rear Strut Mounting Bolts 43-51 59-69
Rear Control Arm to Axle Housing Bolts 54-69 74-93
Rear Control Arm to Crossmember Bolts 43-58 59-78
Steering Wheel Retaining Nut 36-43 49-59
Rack and Pinion Mounting Bolts 33-43 44-59
Blower Motor Mounting Bolts 7 10
Heater Unit Mounting Bolts 7 10
Air Conditioning Compressor Mounting Bolts 30 40
A/C Refrigerant Lines to Compressor 14 20
A/C Condenser Retaining Bolts 7 10
A/C Refrigerant Lines to Condenser 14 20
A/C Discharge Pipe to Evaporator 14 20
A/C Suction Pipe to Evaporator 22 29
A/C Receiver/Drier Mounting Bolts 7 10
A/C Receiver/Drier Refrigerant Lines 12 17
Cruise Control Vacuum Pump and Mounting Bolts 5 7
Cruise Control Actuator Assembly Nuts 5 7
Windshield Wiper Arm Nut 13 18

 

Transmission (5-speed) Information Page

Transmission (ECVT) Information Page

 

Valve Specifications:

Seat Angle Face Angle Spring Pressure Spring Height Stem-to-Guide Clearance Intake Stem-to-Guide Clearance Exhaust Stem Diam. Intake Stem Diameter Exhaust
45� 45� 112-129psi 1.248in 0.0008-0.0020in 0.0016-0.0028in 0.2742-0.2748in 0.2734-0.2740in

 

Wheel Alignment Specifications:

Model Caster Range Caster Preferred Camber Range Camber Preferred Toe-In Toe-Out
87-88 1 1/2-3 1/2 P 2 1/2 P 5/16-1 11/16 P 11/16 P 3/32 1/2
89-94 1 1/2-3 1/2 P 2 1/2 P 5/16-1 11/16 P 11/16 P 5/16 1/16

 

Dusty's Justys is a division of PROSUBARU and is in no way affiliated with Fuji Heavy Industries -- Copyright 2008 DBEC, LLC