1998 MITSUBISHI MONTERO oil change

Other Means Of Identification
Refrigerant R-134a, when viewed through a sight glass, may
have a "milky" appearance due to the mixture of refrigerant and
lubricating oil. As the refrigerant and oil DO NOT exhibit a "clear"
sight glass on a properly charged A/C system, most R-134a systems have
no sight glass.
REFRIGERANT OILS
NOTE: Use ONLY the specified oil for the appropriate system or A/C
compressor. Always check vehicle underhood A/C specification
label or A/C compressor label before adding refrigerant oil
to A/C compressor/system. See Figs. 2 and 3. Always use
refrigerant oil specified on vehicle underhood A/C
specification label if different from the following list.
Refrigerant R-12 based systems use mineral oil, while R-134a
systems use Polyalkylene Glycol (PAG) oils. Using a mineral oil based
lubricant with R-134a will result in A/C compressor failure due to
lack of proper lubrication. The following R-134a refrigerant oils are
currently specified:
Use DENSO/ND-Oil 8 refrigerant oil on Nippondenso
compressors. Use SUN PAG 56 refrigerant oil on Sanden compressors.
NOTE: PAG oils absorb moisture very rapidly, 2.3-5.6 percent by
weight, as compared to a mineral oil absorption rate of
0.005 percent by weight.
SERVICE EQUIPMENT
A/C systems using R-134a refrigerant and PAG lubricants
cannot use R-12 refrigerant or mineral oil lubricants. R-134a
refrigerant is NOT compatible or interchangeable with R-12
refrigerant. Separate sets of hoses, manifold gauge sets and
recovery/recycling equipment are required to service the different
systems. This is necessary to avoid cross-contaminating and damaging
A/C system. A single set of A/C service equipment cannot be cleaned
thoroughly enough to be used with both types of refrigerant.
All equipment used to service A/C systems using R-134a must
be U.L. listed and certified to meet SAE standard J2210. The service
hoses on the manifold gauge set must have manual (turn wheel) or
automatic back-flow valves at the service port connector ends. This
will prevent refrigerant from being released into the atmosphere.
For identification purposes, R-134a service hoses must have a
Black stripe along its length and be clearly labeled SAE J2196/R-134a.
The low pressure test hose is Blue with a Black stripe. The high
pressure test hose is Red with a Black stripe, and the center test
hose is Yellow with a Black stripe.
R-134a manifold gauge sets can be identified by one or all of
the following: Labeled FOR USE WITH R-134a on set, labeled HFC-134a or
R-134a on gauge face, or by a Light Blue color on gauge face. In
addition, pressure/temperature scales on R-134a gauge sets are
different from R-12 manifold gauge sets.
SYSTEM SERVICE VALVES
SCHRADER-TYPE VALVES
NOTE: Although similar in construction and operation to a tire
valve, NEVER replace a Schrader-type valve with a tire valve.

retainer bolt hole to prevent damage.
CAUTION: DO NOT damage bearing case or axle shaft when grinding or
chiseling retainer ring.
3) Secure axle shaft, and grind retainer ring until retainer
ring wall thickness is 0.04-0.06" (1.0-1.5 mm) on axle shaft side and
0.08" (2.0 mm) on bearing side (FIRST CUT). See Fig. 9.
4) Change angle of grind, and remove remaining 0.08" (2.0 mm)\
of retainer ring wall on bearing side (SECOND CUT). Using a chisel,
cut retainer ring. Remove ring. DO NOT damage axle shaft.
5) Install Puller (MB990787-01) to remove bearing case from
axle shaft. Rotate nuts with equal force to remove wheel bearing.
Remove bearing outer race using a hammer and drift. Remove oil seal
from axle housing using a slide hammer and hook.
Fig. 12: Grinding Bearing Retainer Ring (Montero & Montero Sport)
Courtesy of Mitsubishi Motor Sales of America.
Installation
1) Apply Multipurpose Grease (SAE J310) to oil seal, oil sea\
l

(2) - Use Texaco MTX FM fluid.








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QUICK-SERVICE
SERVICE INTERVALS & SPECIFICATIONS
REPLACEMENT INTERVALS TABLE (DIAMANTE)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transaxle Fluid ............................ ( 1)
Coolant ........................................... 30,000
Oil ................................................. 7500
Oil Filter .................................... ( 2) 15,000
Spark Plugs ....................................... 60,000
Spark Plug Wires .................................. 60,000
Timing Belt ....................................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Replace oil filter at oil change if annual mileage is
less than 7500 miles.









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REPLACEMENT INTERVALS TABLE (ECLIPSE)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transaxle Fluid ............................ ( 1)
Coolant ........................................... 30,000
Oil
Non-Turbo ......................................... 7500
Turbo ............................................. 5000
Oil Filter
Non-Turbo ................................... ( 2) 15,000
Turbo ....................................... ( 2) 10,000
Spark Plugs ....................................... 30,000
Spark Plug Wires .................................. 60,000
Transfer Case Fluid .................................. ( 3)
Timing Belt ....................................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Replace oil filter at oil change if annual mileage is
less than 7500 miles.
( 3) - Inspect fluid every 30,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.









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REPLACEMENT INTERVALS TABLE (GALANT)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transaxle Fluid ............................ ( 1)
Coolant .............................................. ( 2)

Oil ................................................. 7500
Oil Filter .................................... (3) 15,000
Spark Plugs ....................................... 30,000
Spark Plug Wires .................................. 60,000
Timing & Balance Shaft Belts ...................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Inspect fluid every 30,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 3) - Replace oil filter at oil change if annual mileage is
less than 7500 miles.









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REPLACEMENT INTERVALS TABLE (MIRAGE)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transaxle Fluid ............................ ( 1)
Coolant .............................................. ( 2)
Oil ................................................. 7500
Oil Filter .................................... ( 3) 15,000
Spark Plugs ....................................... 30,000
Spark Plug Wires .................................. 60,000
Timing Belt ....................................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Inspect fluid every 30,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 3) - Replace oil filter at oil change if annual mileage is
less than 7500 miles.









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REPLACEMENT INTERVALS TABLE (MONTERO)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transmission Fluid ......................... ( 1)
Coolant ........................................... 30,000
Front & Rear Axle Fluid ( 2) ....................... 30,000
Oil ................................................. 7500
Oil Filter .................................... ( 3) 15,000
Manual Transmission .................................. ( 4)
Spark Plugs ( 5) ................................... 60,000
Spark Plug Wires .................................. 60,000
Timing Belt ....................................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Limited-slip differential.
( 3) - Replace oil filter at oil change if annual mileage is
less than 7500 miles.
( 4) - Inspect fluid every 30,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.

(5) - Use Platinum spark plugs only.








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REPLACEMENT INTERVALS TABLE (MONTERO SPORT)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transmission
Except 4WD ......................................... ( 1)
4WD ............................................. 30,000
Axle Fluid ( 2) .................................... 30,000
Coolant ........................................... 30,000
Oil ................................................. 7500
Oil Filter .................................... ( 3) 15,000
Spark Plugs ( 4) ................................... 60,000
Spark Plug Wires .................................. 60,000
Timing Belt ....................................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Limited-slip differential.
( 3) - Replace oil filter at oil change if annual mileage is
less than 7500 miles.
( 4) - Use Platinum spark plugs only.









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REPLACEMENT INTERVALS TABLE (3000GT)








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Component Miles
Air Filter ........................................ 30,000
Automatic Transaxle Fluid ............................ ( 1)
Coolant ........................................... 30,000
Oil
Non-Turbo ......................................... 7500
Turbo ............................................. 5000
Oil Filter
Non-Turbo ....................................... 15,000
Turbo ........................................... 10,000
Spark Plugs
Except Platinum ................................. 30,000
Platinum ........................................ 60,000
Spark Plug Wires ( 2) .............................. 60,000
Timing Belt ....................................... 60,000
( 1) - Inspect fluid every 15,000 miles. Replace fluid if
evidence of contamination appears, after repairing
reason for contamination.
( 2) - Except vehicles equipped with Federal Emissions.









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BELT ADJUSTMENT TABLE








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( 1) Deflection ( 1) Deflection
Application New Belt - In. (mm) Used Belt - In. (mm\
)
Diamante
Generator & A/C .... .24-.28 (6.0-7.2) ....... .32-.37 (8.2-9.3\
)
P/S ................ .33-.37 (8.4-9.3) ..... .46-.52 (11.7-13.4\
)
Eclipse
2.0L Non-Turbo

spacer, pinion front shim(s) and front pinion bearing. DO NOT install
oil seal at this time. Install pinion companion flange, washer and
retaining nut. Tighten nut to 137 ft. lbs. (190 N.m).
2) Using INCH-lb. torque wrench, check pinion rotating torque
without pinion oil seal. See PINION ROTATING TORQUE SPECIFICATIONS
table. Adjust rotating torque by replacing drive pinion front shims or
spacer. Once correct rotating torque is obtained, install oil seal.
Coat seal lip with grease.
3) Install pinion flange so alignment marks are correct.
Apply light coat of grease to flange washer contact area. Install NEW
retaining nut. Check pinion rotating torque with pinion oil seal
installed. Rotating torque must be within specification. See
PINION ROTATING TORQUE SPECIFICATIONS table.
Side Bearing Installation
1) Using Bearing Installer (MB990802-01), install bearings o\
n
differential case. Select 2 side bearing adjusting shims thinner than
those removed. Shims must be equal in thickness on both sides. Install
shims on each side of case assembly. Install case assembly in
differential carrier housing.
2) Push case assembly fully to one side of carrier. Using 2
feeler gauges (feeler gauges 180 degrees opposed), measure clearance
between carrier and side bearing. Remove shims from one side of
differential carrier.
3) Measure thickness of shims removed. Add .002" (.05 mm) to\
50% of measured clearance and then add thickness measurement of
removed shim. This is thickness of new shim that should be installed
on each side of case. Install equal thickness shims on each side of
case assembly.
NOTE: Ensure zero clearance exists between gear carrier and
adjusting shim.
4) Install side bearing shims and differential case assembly
in differential carrier. Using brass drift, tap shims to fit them to
side bearing outer race. Install bearing caps. Tighten bolts to
specification. See TORQUE SPECIFICATIONS . Check ring gear backlash.
Ring Gear Backlash
1) Lock drive pinion in place. Using dial indicator, check
ring gear backlash at heel of ring gear tooth. Measure at 4 locations
of ring gear. Gear backlash should be .004-.006" (.10-.15 mm).
2) If backlash is not within specification, change side
bearing adjusting shims and recheck backlash. See
GEAR TOOTH CONTACT PATTERNS article in GENERAL INFORMATION. Check gear
tooth contact using Prussian Blue.
CAUTION: When changing shims, total thickness of all shims must
remain constant to ensure correct bearing preload.
Ring Gear Runout
Using dial indicator, measure runout at back side of ring
gear. Runout should not exceed .002" (.05 mm). If runout is excessive,\
change ring gear-to-differential case mounting position. Ensure ring
gear mounting bolts are tightened to correct specification. Recheck
runout. Install cover and gasket.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS








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Application Ft. Lbs. (N.m)\

into left side axle housing. Install left axle shaft assembly into
axle housing, and tighten nuts to specification. See
TORQUE SPECIFICATIONS.
2) Install right axle shaft assembly into axle housing
without shim or "O" ring. Temporarily tighten nuts in diagonal
sequence to 51.6 INCH lbs. (5.8 N.m) in 2 stages. Measure clearance
between bearing case of right axle and rear axle housing end with
feeler gauge.
3) Select shims equal to sum of measured clearance plus .002-
.008" (.05-.20 mm). Remove right axle shaft, and install selected
shim(s) and "O" ring into right axle housing end. Install right axle
shaft assembly into rear axle housing. Tighten nuts in diagonal
sequence to specification. See TORQUE SPECIFICATIONS.
4) Using dial indicator, check end play of axle shaft. End
play should be .002-.008" (.05-.20 mm). If end play is not within
specification, change shim(s) to obtain correct end play. Reverse
removal procedure to install remaining components. Adjust parking
brake, and bleed brake system.
CARRIER ASSEMBLY
Removal
Raise and support vehicle. Drain gear oil. Mark drive shaft
flange-to-pinion flange position. Remove drive shaft. Remove axle
shafts. See AXLE SHAFT R & I . Support differential carrier with jack.
Remove differential carrier retaining nuts. Remove differential
carrier.
Inspection
Check for leaks at vent plug, differential carrier companion
flange and where carrier joins axle housing.
Installation
Apply sealant to axle housing surface. To install, reverse
removal procedure. Align marks on drive shaft and pinion flange.
DRIVE SHAFT
Removal
Make match marks on drive shaft yoke flange and pinion
flange. Remove bolts and drive shaft from vehicle.
Installation
To install, reverse removal procedure. Ensure match marks are
aligned. Tighten bolts to specification. See TORQUE SPECIFICATIONS.
OVERHAUL
AXLE SHAFT OVERHAUL
Removal
1) Secure axle shaft assembly in a vise, and remove one
retainer bolt from backing plate. Push bearing case completely to side
of dust cover. Place adhesive tape around edge of bearing case at
retainer bolt hole to prevent damage.
CAUTION: DO NOT damage bearing case or axle shaft when grinding or
chiseling retainer ring.
2) Secure axle shaft, and grind retainer ring until retainer
ring wall thickness is .04-.06" (1.0-1.5 mm) on axle shaft side and .
08" (2.0 mm) on bearing side. See Fig. 4.

3) Change angle of grind, and remove remaining .08" (2.0 mm)\
of retainer ring wall on bearing side. Using a chisel, cut retainer
ring. Remove ring. DO NOT damage axle shaft.
4) Install Puller (MB990787-01) to remove bearing case from
axle shaft. See Fig. 5. Rotate nuts with equal force to remove wheel
bearing. Remove bearing outer race using a hammer and drift. Remove
oil seal from axle housing using a slide hammer and hook.
Fig. 4: Grinding Bearing Retainer Ring
Courtesy of Mitsubishi Motor Sales of America.