1988 Jeep Cherokee, Comanche, Wagoneer, Wrangler Repair Manual

This 1988 Jeep Cherokee, Comanche, Wagoneer, Wrangler Factory Service Manual covers all models and periods. It details diagnostic procedures, component testing, and system diagnosis. PN 1988 JEEP CHEROKEE, COMANCHE, WAGONEER, WRANGLER

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Document Details

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Document Number / Seller:
29632 / Daniel Thompson
File Size:
22.51 MB
File Type:
ZIP
Language:
English
Pages:
1380
Printable:
Yes
Category:
Off-Road Vehicle
Last updated / verified
Feb 18, 2025

Models Covered & Key Technical Specifications

1988 Jeep Cherokee, Comanche, Wagoneer, Wrangler Service Manual: Jeep Service Manual PDF This manual covers all 1988 Jeep Cherokee, Comanche, Wagoneer, and Wrangler models, providing comprehensive diagnostic procedures and system analysis.

  • Technical Specs: 4.0L and 4.2L Engine Information
  • Diagnostic Procedures: Detailed steps for troubleshooting engine and electrical systems
  • Component Testing: Includes testing for sensors, solenoids, and switches
  • A/C System Diagnosis: Pressure variations and performance checks
  • Transmission Diagnosis: AW4 transmission control module and valve body solenoid data
  • Safety Precautions: Anti-lock Brake System (ABS) guidelines

Professional Workshop Service Manual & Technical Specifications

OEM-Grade Training Manual: Jeep Cherokee, Comanche, Wagoneer, Wrangler 1988 PDF Overhaul-Reference

Procedure-Type: Factory Service Manual // Product-Line: Jeep // Procedure-Type: Repair Manual

Engine Specifications

Table of Contents Summary:

  • Air Injection System
  • Alternator - Delco w/Integral Regulator
  • Anti-Lock Brake Safety Precautions
  • Auto Trans Diagnosis - AW4
  • Air Cleaner - Thermostatic
  • A/C System Diagnosis

The repository is divided into several sections, offering in-depth information on vehicle systems and components. Each section provides detailed procedures for inspection, diagnosis, and repair.

Engine Overhaul and Identification

Covers engine identification codes, special engine marks, and procedures for engine removal.

Air Induction and Fuel Systems

Details the pulse air injection system, thermostatic air cleaner, and fuel system operation.

Electrical System and Components

Provides information on the alternator, ECU, sensors, and various diagnostic tests.

Heating, Ventilation, and Air Conditioning (HVAC)

Explains the A/C system, including operation, component testing, and troubleshooting.

Troubleshooting Charts

Includes flowcharts for common diagnostic issues related to engine, electrical, and A/C systems.

This manual documents diagnostic procedures and component testing for various Jeep models, including detailed information on engine specifications and system operation.

FAQ

Assess the **critical** calibration settings keyboard_arrow_down

4.0-5.0 volts is the specified output voltage for the MAP sensor pin B with the ignition "ON" and engine off.

What components **required** clearance measurements keyboard_arrow_down

0.001-0.003" (.02-.08 mm) is the specified clearance for the throttle position sensor's output voltage with the throttle closed.

Confirm the **specified** torque specifications keyboard_arrow_down

110 ft. lbs. (149 N.m) is the specified torque for cylinder head bolts (all others) in the 4.0L engine.

Customer Reviews

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Reviews (3)

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This repair manual covers everything you need! The download process was seamless, and I received the link in my email almost instantly. Highly recommended!
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Rated 4 out of 5 stars
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New
Great manual with thorough instructions. The support team was quick to respond when I had a question, making my repair process much easier. Thank you!