1991 MITSUBISHI MONTERO service
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Fig. 4: Service Point Locations (1994-95 3.0L V6 Engine - 24 Valve)
Courtesy of Mitsubishi Motor Sales of America.
Fig. 5: Service Point Locations (1994-95 3.5L V6 Engine)
Courtesy of Mitsubishi Motor Sales of America.
Page 701 of 1333
CAMSHAFT TIMING BELT REPLACEMENT INFORMATION
CAUTION: Failure to replace a faulty camshaft timing belt may result
in serious engine damage.
The condition of camshaft drive belts should always be
checked on vehicles which have more than 50,000 miles. Although some
manufacturers do not recommend belt replacement at a specified
mileage, others require it at 60,000-100,000 miles. A camshaft drive
belt failure may cause extensive damage to internal engine components
on most engines, although some designs do not allow piston-to-valve
contact. These designs are often called "Free Wheeling".
Many manufacturers changed their maintenance and warranty
schedules in the mid-1980's to reflect timing belt inspection and/or
replacement at 50,000-60,000 miles. Most service interval schedules in
this manual reflect these changes.
Belts or components should be inspected and replaced if any
of the following conditions exist:
* Cracks Or Tears In Belt Surface
* Missing, Damaged, Cracked Or Rounded Teeth
* Oil Contamination
* Damaged Or Faulty Tensioners
* Incorrect Tension Adjustment
Replace camshaft timing belt at 60,000 mile intervals.
SEVERE & NORMAL SERVICE DEFINITIONS
NOTE: Use the Severe Service schedule if the vehicle to be serviced
is operated under ANY (one or more) of these conditions:
Service is recommended at mileage intervals based on vehicle
operation. Service schedules are based on the following primary
operating conditions.
Normal Service
* Driven More Than 10 Miles Daily
* No Operating Conditions From Severe Service Schedule
Severe Service (Unique Driving Conditions)
* Short Trips In Freezing Temperatures
* Towing Or Commercial Use
* Driving Off-Road Or In Salty Or Sandy Areas
* Severe Dust Conditions
* Hot Weather, Stop-And-Go Driving
* Extensive Idling
SEVERE SERVICE REQUIREMENTS (PERFORM W/SERVICE SCHEDULES)
NOTE: The following services are to be performed on vehicles
subjected to severe service. See SEVERE & NORMAL SERVICE
DEFINITIONS. This service is to be performed in addition
to the normal services listed in the NORMAL MAINTENANCE
SERVICE SCHEDULES.
SEVERE SERVICE CONDITIONS/ACTIONS TABLE
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Condition Action Item Perform Every (1)
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Replace A/T Fluid 30,000 Miles
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Replace M/T Fluid 30,000 Miles
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Replace Transfer 30,000 Miles
Case Fluid
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(since the last time), whichever comes first.
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NORMAL MAINTENANCE SERVICE SCHEDULES
The following service schedules refer to vehicles driven
under normal operating conditions. For vehicles driven under severe
conditions, additional services may be necessary. See
SEVERE SERVICE REQUIREMENTS (PERFORM W/SERVICE SCHEDULES) above in
this article for additional service requirements.
7500 MILE (12,000 KM) SERVICE
7500 MILE (12,000 KM) SERVICE \
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Lubrication Specifications
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Application Specification
Engine Oil (
1)
Minimum Temperature
Greater Than 32
F (0
C) ...... SAE 20W-40 Or 20W-50 API SG/CD
Greater Than -10
F (-23
C) ..... SAE 10W-30, 10W-40 API SG/CD
Maximum Temperature
Less Than 60
F (16
C) .......... SAE 5W-30 Or 5W-40 API SG/CD
(
1) - Since temperature ranges for different oil grades overlap,
brief fluctuations in outside temperatures are no cause for
concern.
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Fluid Capacities
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Application Quantity
Engine Oil
1987 ......................................... 5.2 Qts. (5.0L)
1988 ......................................... 5.0 Qts. (4.8L)
1989-92 ...................................... 5.5 Qts. (5.3L)
1993-95 ...................................... 5.2 Qts. (4.9L)
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15,000 MILE (24,000 KM) SERVICE
15,000 MILE (24,000 KM) SERVICE \
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Service Or Inspect
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Verify Last Major Service Was Performed
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1989-94
2.6L ........................................ 1.9 Qts. (1.8L)
3.0L ........................................ 2.7 Qts. (2.6L)
1994
3.5L ........................................ 2.7 Qts. (2.6L)
1995
3.0L ........................................ 2.7 Qts. (2.6L)
3.5L ........................................ 3.3 Qts. (3.2L)
Engine Oil
1987 ......................................... 5.2 Qts. (5.0L)
1988 ......................................... 5.0 Qts. (4.8L)
1989-92 ...................................... 5.5 Qts. (5.3L)
1993-94 ...................................... 5.2 Qts. (4.9L)
Manual Transmission
1987-91 ...................................... 2.3 Qts. (2.2L)
1992 ......................................... 2.4 Qts. (2.3L)
1993-94 ...................................... 2.6 Qts. (2.5L)
Transfer Case
1987-91 ...................................... 2.3 Qts. (2.2L)
1992-94 ...................................... 2.4 Qts. (2.3L)
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22,500 MILE (36,000 KM) SERVICE
22,500 MILE (36,000 KM) SERVICE \
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Service Or Inspect
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Change Engine Oil
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Lubrication Specifications
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Application Specification
Engine Oil (
1)
Minimum Temperature
Greater Than 32
F (0
C) ...... SAE 20W-40 Or 20W-50 API SG/CD
Greater Than -10
F (-23
C) ..... SAE 10W-30, 10W-40 API SG/CD
Maximum Temperature
Less Than 60
F (16
C) .......... SAE 5W-30 Or 5W-40 API SG/CD
(
1) - Since temperature ranges for different oil grades overlap,
brief fluctuations in outside temperatures are no cause for
concern.
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Fluid Capacities
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Application Quantity
Engine Oil
1987 ......................................... 5.2 Qts. (5.0L)
1988 ......................................... 5.0 Qts. (4.8L)
1989-92 ...................................... 5.5 Qts. (5.3L)
1993-94 ...................................... 5.2 Qts. (4.9L)
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30,000 MILE (48,000 KM) SERVICE
30,000 MILE (48,000 KM) SERVICE \
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Service Or Inspect
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Valve Clearance (Jet Valve Only)
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Manual Transmission Oil & Transfer Case
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Carburetor Choke Mechanism & Linkage (If Equipped)
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Disc Brake Pads
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Drum Brake Linings & Rear Wheel Cylinders
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Brake Hoses
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Fuel & Vapor Hoses
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Steering Linkage Seals & Drive Shaft Boots
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Lubricate Ball Joint
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Power Steering Fluid (If Equipped)
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Power Steering Hoses (If Equipped)
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Lubricate Front Wheel Bearing
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Drive Axle Fluid (Without Limited-Slip Differential)
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Lubricate Drive Shaft Joints
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Exhaust System
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Lubricate Upper Control Arm Bushings
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Drive Belt (Water Pump & Alternator)
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Replace
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Air Filter
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Spark Plugs
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Drive Axle Fluid (With Limited-Slip Differential)
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Automatic Transmission & Transfer Case Fluids
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Engine Oil & Filter
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Engine Coolant
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Lubrication Specifications
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Application Specification
Brake & Clutch Fluid ............................ DOT 3 Or DOT 4
Engine Coolant .............. Ethylene-Glycol Antifreeze Coolant
Engine Oil (
1)
Minimum Temperature
Greater Than 32
F (0
C) ...... SAE 20W-40 Or 20W-50 API SG/CD
Greater Than -10
F (-23
C) ..... SAE 10W-30, 10W-40 API SG/CD
Maximum Temperature
Page 708 of 1333
Less Than 60
F (16
C) .......... SAE 5W-30 Or 5W-40 API SG/CD
Front Axle & Conventional Rear Axle
Minimum Temperature
Greater Than -10
F (-23
C) ........... SAE 90, 85W-90, 80W-90
API GL-5
Maximum Temperature
Less Than -30
F (-34
C) .................... SAE 75W API GL-5
Power Steering Fluid ............................. Dexron-II ATF
Rear Axle (With Limited
Slip Differential) ............ Hypoid Gear Oil (8149630EX) Or
Equivalent
Transmission
Automatic ...................................... Dexron-II ATF
Manual Transaxle &
Transfer Case (4WD) ................. SAE 75W-85W, 75W-90 API
GL-4 Or GL-5
(
1) - Since temperature ranges for different oil grades overlap,
brief fluctuations in outside temperatures are no cause for
concern.
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Fluid Capacities
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Application Quantity
Automatic Transmission
1987-93 ...................................... 7.6 Qts. (7.2L)
1994 (3.0L SOHC) ............................. 7.6 Qts. (7.2L) \
1994 (3.0L DOHC & 3.5L) ...................... 9.0 Qts. (8.5L) \
1995 ......................................... 7.9 Qts. (7.5L)
Cooling System
1987-88 ...................................... 8.5 Qts. (8.0L)
1989-95
2.6L ........................................ 9.7 Qts. (9.2L)
3.0L ....................................... 10.0 Qts. (9.5L)
1994-95
3.5L ....................................... 10.0 Qts. (9.5L)
Differential
1987-88 ...................................... 1.9 Qts. (1.8L)
1989-94
2.6L ........................................ 1.9 Qts. (1.8L)
3.0L ........................................ 2.7 Qts. (2.6L)
1994
3.5L ........................................ 2.7 Qts. (2.6L)
1995
3.0L ........................................ 2.7 Qts. (2.6L)
3.5L ........................................ 3.3 Qts. (3.2L)
Engine Oil
1987 ......................................... 5.2 Qts. (5.0L)
1988 ......................................... 5.0 Qts. (4.8L)
1989-92 ...................................... 5.5 Qts. (5.3L)
1993-94 ...................................... 5.2 Qts. (4.9L)
Manual Transmission
1987-91 ...................................... 2.3 Qts. (2.2L)
1992 ......................................... 2.4 Qts. (2.3L)
1993-94 ...................................... 2.6 Qts. (2.5L)
Transfer Case
1987-91 ...................................... 2.3 Qts. (2.2L)
1992-94 ...................................... 2.4 Qts. (2.3L)
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37,500 MILE (60,000 KM) SERVICE
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37,500 MILE (60,000 KM) SERVICE \
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Service Or Inspect
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Verify Last Major Service Was Performed
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Change Engine Oil
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Lubrication Specifications
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Application Specification
Engine Oil (
1)
Minimum Temperature
Greater Than 32
F (0
C) ...... SAE 20W-40 Or 20W-50 API SG/CD
Greater Than -10
F (-23
C) ..... SAE 10W-30, 10W-40 API SG/CD
Maximum Temperature
Less Than 60
F (16
C) .......... SAE 5W-30 Or 5W-40 API SG/CD
(
1) - Since temperature ranges for different oil grades overlap,
brief fluctuations in outside temperatures are no cause for
concern.
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Fluid Capacities
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Application Quantity
Engine Oil
1987 ......................................... 5.2 Qts. (5.0L)
1988 ......................................... 5.0 Qts. (4.8L)
1989-92 ...................................... 5.5 Qts. (5.3L)
1993-94 ...................................... 5.2 Qts. (4.9L)
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45,000 MILE (72,000 KM) SERVICE
45,000 MILE (72,000 KM) SERVICE \
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Service Or Inspect
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Fluid Levels
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Braking System
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Drive Shaft Boots
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Replace
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Engine Oil
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Oil Filter
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Lubrication Specifications
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Application Specification
Brake & Clutch Fluid ............................ DOT 3 Or DOT 4
Engine Coolant .............. Ethylene-Glycol Antifreeze Coolant
Engine Oil (
1)
Page 711 of 1333
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50,000 MILE (80,000 KM) SERVICE (198](/manual-img/19/57332/w960_57332-710.png "MITSUBISHI MONTERO 1991 Service Manual \
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50,000 MILE (80,000 KM) SERVICE (198")
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50,000 MILE (80,000 KM) SERVICE (1987-90)
50,000 MILE (80,000 KM) SERVICE (1987-90) \
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Fuel System (Tank, Lines & Connections)
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Carburetor Or Throttle Body Mounting
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Fuel Filter
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Fuel, Water & Vapor Hoses
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EGR Valve
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Oxygen Sensor
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Service Labor Times
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Application Hours
30,000 (60,000) 50,000
Application Mile Service Mile Service
2.6L 4-Cylinder
Automatic Transmission .... 7.9 (8.9) ................. 2.6
Manual Transmission ....... 6.9 (7.9) ................. 2.6
3.0L V6
Automatic Transmission .... 6.1 (10.6) ................ 2.6
Manual Transmission ....... 5.1 (9.6) ................. 2.6
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52,500 MILE (84,000 KM) SERVICE
52,500 MILE (84,000 KM) SERVICE \
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Service Or Inspect
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Verify Last Major Service Was Performed
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Change Engine Oil
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Lubrication Specifications
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Application Specification
Engine Oil (
1)
Minimum Temperature
Greater Than 32
F (0
C) ...... SAE 20W-40 Or 20W-50 API SG/CD
Greater Than -10
F (-23
C) ..... SAE 10W-30, 10W-40 API SG/CD
Maximum Temperature
Less Than 60
F (16
C) .......... SAE 5W-30 Or 5W-40 API SG/CD
(
1) - Since temperature ranges for different oil grades overlap,
brief fluctuations in outside temperatures are no cause for