1998 MITSUBISHI MONTERO Service Manual

 Front Wheel  All  Multipurpose Grease 

Bearings   NLGI Grade 2 Or 

  Equivalent 
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Door Hinges, All  Engine Oil 

Back Door   

Hinges   
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A/C  All  HFC-134a 

Refrigerant   
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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 
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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 
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Brake Fluid  All  DOT 3 Or DOT 4 
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Rear Axle  All API Classification GL-5

  Or Higher (
2) 
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(
1) - SAE 5W-30 engine oil is preferred. SAE 10W-30 may be used if 

the Ambient Temperature is above 0 F (-18 C). 

(
2) - SAE90, 85W-90, 80W-90 may be used in temperatures above 

-10 F (-23 C). SAE 80W, 80W-90 may be used in temperatures 

from -30 F (-34 C) to -10 F (-23 C). SAE 75W may be used 

in temperatures below -30 F (-34 C). 
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FLUID CAPACITIES
FLUID CAPACITIES TABLE ( 1)
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Item  Condition  Specification 
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Engine Oil  Oil Pan  4.5 Qts. (4.3L) 

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 Oil Filter  0.32 Qts. (0.3L) 

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 Oil Cooler  0.32 Qts. (0.3L) 
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Power  Drained  1.1 Qts. (1.0L) 

Steering   
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Automatic  Drained  8.9 Qts. (8.5L) 

Transmission   
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Manual  Drained  3.3 Qts. (3.2L) 

Transmission   
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Transfer Case Drained  2.6 Qts. (2.5L) 
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Front Axle  Drained  1.3 Qts. (1.2L) 
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Rear Axle  Drained  3.3 Qts. (3.2L) 
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A/C  Drained  27 oz (760 g) 

Refrigerant   
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Fuel Tank  Capacity  24 gal (92L) 

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(
1) - Capacities are recommended or calculated levels. Always use 

dipstick to measure level. 
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MISCELLANEOUS NOTES
* The Supplemental Restraint System must be inspected by an
authorized dealer 10 years after the Manufacture date.

SEATS - POWER
1998 Mitsubishi Montero
1998 ACCESSORIES & EQUIPMENT
Mitsubishi - Power Seats
Eclipse, Galant, Montero, 3000GT
DESCRIPTION & OPERATION
Power seat system consists of reversible motors, a control
switch assembly and a wiring harness. Circuit is protected by a
fusible link, located in main relay box in engine compartment.
Power assist adjustments offered are: forward and backward
movement, height adjustment and separately adjusted front or rear seat
tilt. Controls are located on side of seat cushion or on center
console.
COMPONENT LOCATIONS
COMPONENT LOCATIONS TABLE








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Component Location
Data Link Connector (DLC) ............ Under Left Of Dash,
Below Steering Column
ETACS-ECU
3000GT ......................... Left Of Steering Column
Seat Adjusting Motors .............. Under Each Front Seat









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COMPONENT TESTS
LIMIT SWITCH/SENSOR
Galant (Driver's Seat)
Disconnect each limit switch harness connector. Operate each
switch to check continuity between specified pins using ohmmeter. See
LIMIT SWITCH CONTINUITY TABLE (GALANT) . See Fig. 1. Replace power seat
adjuster assembly if any switch fails testing.
LIMIT SWITCH CONTINUITY TABLE (GALANT)









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Switch Check Continuity
Position Between Pins No.
Slide Limit Switch
Forward .......................................... 1 & 2
Backward ......................................... 1 & 3
Middle (ON) ................................... 1, 2 & 3
Front & Rear Height Limit Switch
Front Up ......................................... 1 & 3
Front Down ....................................... 1 & 2
Front Middle (ON) ............................. 1, 2 & 3
Rear Up .......................................... 1 & 3
Rear Down ........................................ 1 & 2
Rear Middle (ON) .............................. 1, 2 & 3









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Fig. 1: Identifying Limit Switch Connectors (Galant)
Courtesy of Mitsubishi Motor Sales of America
3000GT (Driver's Seat)
Disconnect each limit switch harness connector. Operate each
switch to check continuity between specified pins using ohmmeter. See
LIMIT SWITCH CONTINUITY TABLE (3000GT) . See Fig. 2. Replace power seat
adjuster assembly if any switch fails testing.
LIMIT SWITCH CONTINUITY TABLE (3000GT)









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Switch Check Continuity
Position Between Pins No.
Slide Limit Switch
Forward .......................................... 1 & 3
Backward ......................................... 1 & 2
Middle (ON) ................................... 1, 2 & 3
Front & Rear Height Limit Switch

Front Up ......................................... 1 & 3
Front Down ....................................... 1 & 2
Front Middle (ON) ............................. 1, 2 & 3
Rear Up .......................................... 4 & 6
Rear Down ........................................ 4 & 5
Rear Middle (ON) .............................. 4, 5 & 6









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Fig. 2: Identifying Limit Switch Connectors (3000GT)
Courtesy of Mitsubishi Motor Sales of America
LUMBAR/SIDE ADJUSTMENT SWITCH
3000GT
Remove switch from center console. Using ohmmeter, check
continuity of switch. See
LUMBAR/SIDE ADJUSTMENT SWITCH CONTINUITY TABLE (3000GT) . See Fig. 3.

Replace switch if continuity is not as specified.
LUMBAR/SIDE ADJUSTMENT SWITCH CONTINUITY TABLE (3000GT)









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Switch Check Continuity
Position Between Pins No.
Lumbar Support
Push ...................................... 2 & 3; 5 & 7
Off ........................................... 2, 3 & 5
Release ................................... 2 & 5; 3 & 7
Side Support
Spread .................................... 1 & 2; 7 & 8
Off ........................................... 1, 2 & 8
Close ..................................... 1 & 7; 2 & 8









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Fig. 3: Identifying Lumbar/Side Adjustment Switch Terminals (3000GT)
Courtesy of Mitsubishi Motor Sales of America
POWER SEAT MOTORS
Eclipse, Galant & Montero
Disconnect each motor harness connector. Connect 12-volt
power supply to motor connector terminals. Reverse power supply leads
to reverse direction of motor operation. Motor should operate freely
and smoothly. If any motor does not operate correctly, replace power
seat adjuster assembly. Motors cannot be replaced individually.
3000GT
Disconnect each motor harness connector. To access lumbar and
side support motor harness connectors, remove seatback panel. Connect
12-volt power supply to motor connector terminals. Reverse power
supply leads to reverse direction of motor operation. Motor should
operate freely and smoothly. If any motor does not operate correctly,
replace power seat adjuster assembly or seatback assembly. Motors
cannot be replaced individually.
POWER SEAT SWITCH

Eclipse & 3000GT
Disconnect power seat switch harness connector. Using
ohmmeter, check continuity of switch. See
POWER SEAT SWITCH CONTINUITY TABLE (ECLIPSE & 3000GT) . See Fig. 4.
Replace switch if continuity is not as specified.
POWER SEAT SWITCH CONTINUITY TABLE (ECLIPSE & 3000GT)









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Switch Check Continuity
Position Between Pins No.
Slide Switch
Forward .................................. 2 & 3; 4 & 14
Backward ................................. 1 & 4; 3 & 14
Front Height Switch
Up ..................................... 9 & 10; 11 & 14
Down ................................... 8 & 11; 10 & 14
Rear Height Switch
Up ...................................... 6 & 12; 7 & 14
Down .................................... 5 & 7; 12 & 14
All Switches Off ............ No Continuity, All Terminals









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Fig. 4: Identifying Power Seat Switch Terminals (Eclipse & 3000GT)
Courtesy of Mitsubishi Motor Sales of America
Galant
Disconnect power seat switch harness connector. Using
ohmmeter, check continuity of switch. See
POWER SEAT SWITCH CONTINUITY TABLE (GALANT) . See Fig. 5. Replace
switch if continuity is not as specified.

POWER SEAT SWITCH CONTINUITY TABLE (GALANT)








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Switch Check Continuity
Position Between Pins No.
Driver's & Passenger's Seat
Front Height Switch
Up .................................. 11 & 14; 13 & 22
Down ................................ 12 & 13; 14 & 22
Rear Height Switch
Up .................................. 17 & 18; 15 & 22
Down ................................ 15 & 19; 17 & 22
Slide Switch
Forward ................................ 1 & 4; 3 & 22
Backward ............................... 2 & 3; 4 & 22
Reclining Switch
Forward ............................. 16 & 21; 20 & 22
Backward ............................ 16 & 20; 21 & 22
All Switches
Off .................. 1 & 4; 2 & 3; 11 & 14; 12 & 13;
15 & 19; 16, 20 & 21; 17 & 18









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Fig. 5: Identifying Power Seat Switch Terminals (Galant)
Courtesy of Mitsubishi Motor Sales of America
Montero
Disconnect power seat switch harness connector. Using