1988 JEEP CHEROKEE lug pattern
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![JEEP CHEROKEE 1988 Service Repair Manual \b\
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Lube Manual Gearshift Control (4WD Tra](/manual-img/16/57037/w960_57037-997.png "JEEP CHEROKEE 1988 Service Repair Manual \b\
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Lube Manual Gearshift Control (4WD Tra")
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Lube Manual Gearshift Control (4WD Transfer Case)
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Inspect/Repack Front Wheel Bearings (2WD Models)
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Inspect Front Brake Pads & Rotors
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Lubricate Caliper Slide Rails
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Inspect Rear Brake Linings & Drums
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Inspect Brake System Hoses & Lines
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Inspect Shocks for Leakage
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Inspect Tire Wear Pattern
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Lubricate Weatherstripping with Silicone
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Lubricate Door Hinges
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Lubricate Door Locks
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Check Body Drain Holes
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Rotate Tires and Adjust Air Pressure
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Replace
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Engine Oil
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Oil Filter, if it has not been changed in the last 12 months
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Manual Transmission Fluid
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Automatic Transmission Fluid, Filter and Adjust Bands
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Transfer Case Fluid
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Flush and Fill Engine Coolant, if not done in last 24 months
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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
Page 1001 of 1378
![JEEP CHEROKEE 1988 Service Repair Manual Parking Brake System
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\](/manual-img/16/57037/w960_57037-1000.png "JEEP CHEROKEE 1988 Service Repair Manual Parking Brake System
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Parking Brake System
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Inspect Shocks for Leakage
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Inspect Tire Wear Pattern
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Rotate Tires and Adjust Air Pressure (Including Spare)
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Replace
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Engine Oil
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Oil Filter
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Spark Plugs
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Ignition Cables
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Distributor Cap and Rotor
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Air Filter Element
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Fuel Filter
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PCV Valve (
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PCV Filter
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EGR Valve & Tube (1987-92)
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Vacuum Operated Emission Components (1987-92)
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PCV Valve (
1)
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Drive Belt (V-Type) (
2)
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Flush and Fill Engine Coolant, if not done in last 24 months
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Automatic Transmission Fluid, Filter and Adjust Bands
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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.
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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
Page 1256 of 1378
![JEEP CHEROKEE 1988 Service Repair Manual ignition switch
Open circuit between Repair circuit
ignition switch and
starter solenoid
\](/manual-img/16/57037/w960_57037-1255.png "JEEP CHEROKEE 1988 Service Repair Manual ignition switch
Open circuit between Repair circuit
ignition switch and
starter solenoid
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ignition switch
Open circuit between Repair circuit
ignition switch and
starter solenoid
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Engine Runs Fuel lines leaking or Tighten fitting,
Rough clogged remove restriction
Initial timing incorrect Reset ignition timing
see ENGINE PERFORMANCE
Centrifugal advance Repair distributor
malfunction advance
Defective spark plugs or Replace plugs or plug
wiring wiring
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Component Failure Spark arc-over on cap, Replace cap, rotor or
rotor or coil or coil
Defective pick-up coil Replace pick-up coil
Defective ignition coil Replace ignition coil
Defective vacuum unit Replace vacuum unit
Defective control module Replace control module
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BASIC ELECTRONIC IGNITION TROUBLE SHOOTING
CHARTS - USING OSCILLOSCOPE PATTERNS
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CONDITION POSSIBLE CAUSE CORRECTION \
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Firing Voltage Retarded ignition timing Reset ignition
Lines are the Same, timing, see ENGINE
but Abnormally High PERFORMANCE section
Fuel mixture too lean Readjust carburetor,
see ENGINE PERFORMANCE
High resistance in coil Replace coil wire
wire
Corrosion in coil tower Clean and/or replace
terminal coil
Corrosion in distributor Clean and/or replace
coil terminal distributor cap
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Firing Voltage Fuel mixture too rich Readjust carburetor,
Lines are the Same see ENGINE PERFORMANCE
but Abnormally Low
Breaks in coil wire causing Replace coil wire
arcing
Cracked coil tower causing Replace coil
arcing
Low coil output Replace coil
Low engine compression Determine cause and