1988 JEEP CHEROKEE battery
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computers may lose memory data. When battery power is
restored, driveability problems may exist on some vehicles.
These vehicles may require a relearn procedure. See COMPUTER
RELEARN PROCEDURES article in GENERAL INFORMATION section.
REPLACING BLOWN FUSES
Before replacing a blown fuse, remove ignition key, turn off
all lights and accessories to avoid damaging the electrical system. Be
sure to use fuse with the correct indicated amperage rating. The use
of an incorrect amperage rating fuse may result in a dangerous
electrical system overload.
BRAKE PAD WEAR INDICATOR
Indicator will cause a squealing or scraping noise, warning
that brake pads need replacement.
BRAKE WARNING LIGHT
CAUTION: If BRAKE warning light is on with parking brake disengaged
and engine running, there may be a problem in the hydraulic
brake system. Braking effort, brake pedal travel and
stopping distances may increase.
CATALYTIC CONVERTER
To prevent catalytic converter overheating, DO NOT allow
engine to idle for more than 20 minutes.
COMMAND-TRAC (4WD)
CAUTION: NEVER operate a Command-Trac vehicle in 4WD on dry,
hard-surfaced roads for a sustained period. Use 4L only
when needed for added pulling power. Operating vehicle in
4WD mode on such roads will cause stress and possible
damage to components, as well as make shifting difficult.
To reduce shifting effort, drive vehicle in Reverse for a
few feet, or drive off hard-surfaced road momentarily to
allow tire slippage.
FRONT AND REAR DIFFERENTIALS (4WD)
CAUTION: DO NOT use water, steam, kerosene or gasoline for flushing
a differential. ONLY use a flushing oil.
TRAC-LOK DIFFERENTIALS (4WD)
CAUTION: DO NOT flush a rear axle Trac-Lok differential. Trac-Lok
differentials may be cleaned only by disassembling the
unit and wiping the components with clean, lint-free cloth.
CAUTION: NEVER attempt to engage Low range when vehicle is moving
faster than 2-3 MPH, as transfer case damage may result.
GASOLINE CONTAINING ALCOHOL
CAUTION: Exclusive use of gasohol is not recommended. Vehicle test
results have shown that significant fuel system corrosion
can result when gasohol is used exclusively.
Page 963 of 1378
![JEEP CHEROKEE 1988 Service Repair Manual AX5 (AISIN) .................................. 7.0 Pts. (3.3L) \
T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case](/manual-img/16/57037/w960_57037-962.png "JEEP CHEROKEE 1988 Service Repair Manual AX5 (AISIN) .................................. 7.0 Pts. (3.3L) \
T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case")
AX5 (AISIN) .................................. 7.0 Pts. (3.3L) \
T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case
1985-86
Selec-Trac (229 Full-Time) ................. 6.0 Pts. (2.8L) \
Command-Trac (Part-Time 207) ............... 4.5 Pts. (2.1L) \
1987
Selec-Trac ................................. 2.5 Pts. (1.2L)
Command-Trac ............................... 2.2 Pts. (1.0L)
1988
Selec-Trac ................................. 3.0 Pts. (1.4L)
Command-Trac ............................... 2.2 Pts. (1.0L)
Drive Axles (
3)
Front ........................................ 2.5 Pts. (1.2L)
Front (Disconnect Housing) .................. 5.0 Ozs. (0.15L) \
Rear ......................................... 2.5 Pts. (1.2L)
Rear (Trac-Lok) (
4) .......................... 2.5 Pts. (1.2L)
(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
(
2) - Includes 2.3 qts. for coolant recovery bottle.
(
3) - Fill to bottom of filler plug hole.
(
4) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive first, then add new fluid.
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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
\b\
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Check Fluid Levels
\b\
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Check Cooling System Hoses and Clamps
\b\
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Check Coolant Strength
\b\
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Check Exhaust System & Heat Shielding
\b\
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Clean Battery and Battery Terminals
\b\
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Accessory Drive Belts
\b\
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Inspect Brake System
\b\
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Inspect C/V Joint boots (4WD)
\b\
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Inspect Underside of Vehicle (Bolts & Threaded Fasteners)
\b\
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Check/Lube Manual Steering Gear
\b\
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Check Drive Shaft Seals
\b\
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Lubricate Ball Joints, Steering Linkage & Suspension
\b\
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Lube Drive Shaft U-Joints and Slip Splines
\b\
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Lube Front Axle Drive Joint and Pivot Bearings (4WD)
\b\
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Page 968 of 1378
Transfer Case
1985-86
Selec-Trac (229 Full-Time) ................. 6.0 Pts. (2.8L) \
Command-Trac (Part-Time 207) ............... 4.5 Pts. (2.1L) \
1987
Selec-Trac ................................. 2.5 Pts. (1.2L)
Command-Trac ............................... 2.2 Pts. (1.0L)
1988
Selec-Trac ................................. 3.0 Pts. (1.4L)
Command-Trac ............................... 2.2 Pts. (1.0L)
Drive Axles (
3)
Front ........................................ 2.5 Pts. (1.2L)
Front (Disconnect Housing) .................. 5.0 Ozs. (0.15L) \
Rear ......................................... 2.5 Pts. (1.2L)
Rear (Trac-Lok) (
4) .......................... 2.5 Pts. (1.2L)
(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
(
2) - Includes 2.3 qts. for coolant recovery bottle.
(
3) - Fill to bottom of filler plug hole.
(
4) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive first, then add new fluid.
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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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Verify Last Major Service Was Performed
\b\
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\
\
Check Fluid Levels
\b\
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Check Cooling System Hoses and Clamps
\b\
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Check Coolant Strength
\b\
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Check Exhaust System & Heat Shielding
\b\
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Inspect Front Wheel Bearings (4WD)
\b\
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Clean Battery and Battery Terminals
\b\
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Adjust Drive Belt Tension
\b\
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Accessory Drive Belts
\b\
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Clean Choke Linkage
\b\
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Inspect C/V Joint boots (4WD)
\b\
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Inspect Underside of Vehicle (Bolts & Threaded Fasteners)
\b\
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\
Check/Lube Manual Steering Gear
\b\
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\
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Check Drive Shaft Seals
\b\
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\
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Lubricate Ball Joints, Steering Linkage & Suspension
\b\
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Lube Drive Shaft U-Joints and Slip Splines
\b\
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Page 973 of 1378
![JEEP CHEROKEE 1988 Service Repair Manual T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case
1985-86](/manual-img/16/57037/w960_57037-972.png "JEEP CHEROKEE 1988 Service Repair Manual T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case
1985-86")
T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case
1985-86
Selec-Trac (229 Full-Time) ................. 6.0 Pts. (2.8L) \
Command-Trac (Part-Time 207) ............... 4.5 Pts. (2.1L) \
1987
Selec-Trac ................................. 2.5 Pts. (1.2L)
Command-Trac ............................... 2.2 Pts. (1.0L)
1988
Selec-Trac ................................. 3.0 Pts. (1.4L)
Command-Trac ............................... 2.2 Pts. (1.0L)
Drive Axles (
3)
Front ........................................ 2.5 Pts. (1.2L)
Front (Disconnect Housing) .................. 5.0 Ozs. (0.15L) \
Rear ......................................... 2.5 Pts. (1.2L)
Rear (Trac-Lok) (
4) .......................... 2.5 Pts. (1.2L)
(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
(
2) - Includes 2.3 qts. for coolant recovery bottle.
(
3) - Fill to bottom of filler plug hole.
(
4) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive first, then add new fluid.
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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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\
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Verify Last Major Service Was Performed
\b\
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\
\
Check Fluid Levels
\b\
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\
\
Check Fuel Lines, Connections
\b\
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\
\
Check Cooling System Hoses and Clamps
\b\
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Check Coolant Strength
\b\
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Clean Battery and Battery Terminals
\b\
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Accessory Drive Belts
\b\
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Check Exhaust System & Heat Shielding
\b\
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Check Operation of Horn, Wipers/Washers & All Exterior Lights
\b\
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\
Inspect Condition of Wiper Blades
\b\
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\
Check Headlight Alignment
\b\
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Check Seat Belt Webbing and Release Mechanisms
\b\
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Check Parking Brake Operation
\b\
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Check Shift/Clutch Interlock Operation
\b\
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Inspect C/V Joint boots (4WD)
\b\
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Inspect Underside of Vehicle (Bolts & Threaded Fasteners)
Page 978 of 1378
Fuel Tank
Standard .................................. 13.5 Gals. (51.1L)
Optional .................................... 20 Gals. (75.7L)
Manual Transmission (
3)
AX4 (AISIN) .................................. 7.4 Pts. (3.5L) \
T4 (Borg-Warner) ............................. 3.9 Pts. (1.8L) \
AX5 (AISIN) .................................. 7.0 Pts. (3.3L) \
T5 (Borg-Warner) ............................. 4.5 Pts. (2.1L) \
Transfer Case
1985-86
Selec-Trac (229 Full-Time) ................. 6.0 Pts. (2.8L) \
Command-Trac (Part-Time 207) ............... 4.5 Pts. (2.1L) \
1987
Selec-Trac ................................. 2.5 Pts. (1.2L)
Command-Trac ............................... 2.2 Pts. (1.0L)
1988
Selec-Trac ................................. 3.0 Pts. (1.4L)
Command-Trac ............................... 2.2 Pts. (1.0L)
Drive Axles (
3)
Front ........................................ 2.5 Pts. (1.2L)
Front (Disconnect Housing) .................. 5.0 Ozs. (0.15L) \
Rear ......................................... 2.5 Pts. (1.2L)
Rear (Trac-Lok) (
4) .......................... 2.5 Pts. (1.2L)
(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
(
2) - Includes 2.3 qts. for coolant recovery bottle.
(
3) - Fill to bottom of filler plug hole.
(
4) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive first, then add new fluid.
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\f
60,000 MILE (96,000 KM) SERVICE
60,000 MILE (96,000 KM) SERVICE \
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\
\
\
Service Or Inspect
\
\
\
\
\
\
\
Verify Last Major Service Was Performed
\b\
\
\
\
\
\
\
Check Fluid Levels
\b\
\
\
\
\
\
\
Check Cooling System Hoses and Clamps
\b\
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\
\
\
\
\
Check Coolant Strength
\b\
\
\
\
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\
\
Check Accessory Drive Belts
\b\
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\
Check Exhaust System & Heat Shielding
\b\
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Clean Battery and Battery Terminals
\b\
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Clean and Lubricate Crankcase Inlet Air Cleaner
\b\
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Inspect Brake System
\b\
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Inspect Exhaust System
\b\
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Adjust Drive Belt Tension
\b\
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Adjust Idle - Propane Method (1987-88 Carbureted Only)
\b\
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Page 980 of 1378
![JEEP CHEROKEE 1988 Service Repair Manual \b\
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Fuel Filter](/manual-img/16/57037/w960_57037-979.png "JEEP CHEROKEE 1988 Service Repair Manual \b\
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Fuel Filter")
\b\
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Fuel Filter
\b\
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Emission System Vacuum Hoses
\b\
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Ignition Wires
\b\
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Distributor Cap & Rotor
\b\
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Battery
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(
1) - Replacement is recommended by Chrysler at this time, but it
is not required to maintain the warranty on the PCV valve.
(
2) - Check and replace as needed.
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Lubrication Specifications
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Application Specification
Automatic Transmission .......................... Dexron-IIE ATF
Brake Master Cylinder .......... DOT 3 (SAE J-1703F) Brake Fluid
Engine Coolant ........... Alugard 340-2 & Water (50/50 Mixture)
Engine Oil (
1)
Gasoline Engine
Temperature Range
Above 30
F (-1
C) ........ SAE 20W-40 Or 20W-50 API SH/CD
Above 0
F (-18
C) ......... SAE 10W-30 Or 10W-40 API SH/CD
Less Than 60
F (16
C) ............... SAE 5W-30 API SH/CD
Drive Axles ................................ SAE 75W-90 API GL-5
Drive Axles (Trac-Lok) (
2) ................ SAE 80W-140 API GL-5
Drive Axles (Trailer Towing) .............. SAE 80W-140 API GL-5
Hydraulic Clutch ............... DOT 3 (SAE J-1703F) Brake Fluid
Manual Transmission ........................ SAE 75W-90 API GL-5
Parking Brake Cable Guides ................. NLGI Grade 2, GC-LB
Door & Hood Hinges ............................ Light Engine Oil
Manual Steering Box ............... Multi-Purpose NLGI Grade 2EP
Power Steering Pump ....................... Power Steering Fluid
Transfer Case ................................... Dexron-IIE ATF
Brake Caliper Bushings ........ GE 661 or DOW 111 Silicone Grease
Caliper Slide Pins ........... GE 661 or DOW 111 Silicone Grease
Wheel Bearings .................. Multi-Purpose NLGI Grade GC-LB
Drive Shaft U-Joints .............. Multi-Purpose NLGI Grade 2EP
Steering Linkage (
4)( 5) .................... NLGI Grade 2, GC-LB
Ball Joints (
4)( 6) ......................... NLGI Grade 2, GC-LB
Weatherstrip .......................... Silicone Spray Lubricant
Wheel Lug Nut Torque ...................... 95 ft. lbs. (129 N.m)
(
1) - SAE 10W-30 SH/CD is preferred.
(
2) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive when changing fluid.
(
3) - For vehicles operating under heavy-duty towing conditions,
use SAE 75W-140 Synthetic lube.
NOTE: Before using SAE 75W-140 Synthetic the old fluid must
be DRAINED and FLUSHED with clean mineral based axle
lubricant. Then refill with new synthetic lube.
(
4) - Use low pressure grease gun to prevent seal damage.
(
5) - Fill until lubricant squeezes out from the base of seals.
(
6) - Fill ball joint until seal starts to swell.
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Fluid Capacities
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Application ( 1) Quantity
Page 984 of 1378
1987
Selec-Trac ................................. 2.5 Pts. (1.2L)
Command-Trac ............................... 2.2 Pts. (1.0L)
1988
Selec-Trac ................................. 3.0 Pts. (1.4L)
Command-Trac ............................... 2.2 Pts. (1.0L)
Drive Axles (
3)
Front ........................................ 2.5 Pts. (1.2L)
Front (Disconnect Housing) .................. 5.0 Ozs. (0.15L) \
Rear ......................................... 2.5 Pts. (1.2L)
Rear (Trac-Lok) (
4) .......................... 2.5 Pts. (1.2L)
(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
(
2) - Includes 2.3 qts. for coolant recovery bottle.
(
3) - Fill to bottom of filler plug hole.
(
4) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive first, then add new fluid.
\
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\f
75,000 MILE (120,000 KM) SERVICE
75,000 MILE (120,000 KM) SERVICE \
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Service Or Inspect
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Verify Last Major Service Was Performed
\b\
\
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\
\
Check Fluid Levels
\b\
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\
\
\
\
\
Check Fuel Lines, Connections
\b\
\
\
\
\
\
\
Check Cooling System Hoses and Clamps
\b\
\
\
\
\
\
\
Check Coolant Strength
\b\
\
\
\
\
\
\
Check Exhaust System & Heat Shielding
\b\
\
\
\
\
\
\
Clean Battery and Battery Terminals
\b\
\
\
\
\
\
\
Adjust Drive Belt Tension
\b\
\
\
\
\
\
\
Inspect Brake System
\b\
\
\
\
\
\
\
Check Operation of Horn, Wipers/Washers & All Exterior Lights
\b\
\
\
\
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\
\
Inspect Condition of Wiper Blades
\b\
\
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\
\
\
Check Headlight Alignment
\b\
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\
\
\
\
Check Seat Belt Webbing and Release Mechanisms
\b\
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\
\
\
\
Check Parking Brake Operation
\b\
\
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\
\
Check Shift/Clutch Interlock Operation
\b\
\
\
\
\
\
\
Inspect C/V Joint boots (4WD)
\b\
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\
\
Inspect Underside of Vehicle (Bolts & Threaded Fasteners)
\b\
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Check/Lube Manual Steering Gear
\b\
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Page 989 of 1378
Rear (Trac-Lok) (4) .......................... 2.5 Pts. (1.2L)
(
1) - Capacities are recommended or calculated levels. Always use
dipstick (if available) to measure level.
(
2) - Includes 2.3 qts. for coolant recovery bottle.
(
3) - Fill to bottom of filler plug hole.
(
4) - Add 4 ozs. (118 ml) of Limited-Slip differential lubricant
additive first, then add new fluid.
\
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\
\
\f
90,000 MILE (144,000 KM) SERVICE
90,000 MILE (144,000 KM) SERVICE \
\
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\
\
Service Or Inspect
\
\
\
\
\
\
\
Verify Last Major Service Was Performed
\b\
\
\
\
\
\
\
Check Fluid Levels
\b\
\
\
\
\
\
\
Check Fuel Lines, Connections
\b\
\
\
\
\
\
\
Check Cooling System Hoses and Clamps
\b\
\
\
\
\
\
\
Check Coolant Strength
\b\
\
\
\
\
\
\
Clean Battery and Battery Terminals
\b\
\
\
\
\
\
\
Accessory Drive Belts
\b\
\
\
\
\
\
\
Clean Choke Linkage
\b\
\
\
\
\
\
\
Check Exhaust System & Heat Shielding
\b\
\
\
\
\
\
\
Check Operation of Horn, Wipers/Washers & All Exterior Lights
\b\
\
\
\
\
\
\
Inspect Condition of Wiper Blades
\b\
\
\
\
\
\
\
Check Headlight Alignment
\b\
\
\
\
\
\
\
Check Seat Belt Webbing and Release Mechanisms
\b\
\
\
\
\
\
\
Check Parking Brake Operation
\b\
\
\
\
\
\
\
Check Shift/Clutch Interlock Operation
\b\
\
\
\
\
\
\
Adjust Drive Belt Tension
\b\
\
\
\
\
\
\
Inspect C/V Joint boots (4WD)
\b\
\
\
\
\
\
\
Inspect Underside of Vehicle (Bolts & Threaded Fasteners)
\b\
\
\
\
\
\
\
Check/Lube Manual Steering Gear
\b\
\
\
\
\
\
\
Check Drive Shaft Seals
\b\
\
\
\
\
\
\
Lubricate Ball Joints, Steering Linkage & Suspension
\b\
\
\
\
\
\
\
Lube Drive Shaft U-Joints and Slip Splines
\b\
\
\
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Lube Front Axle Drive Joint and Pivot Bearings (4WD)
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