1986 Jeep Wagoneer Service and Repair Manual

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Factory-Grade Data

1986 Jeep Wagoneer service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • Limited Sport Utility 4-Door
  • Base Sport Utility 4-Door

Engines covered

  • 2.8L 173Cu. In. V6 GAS OHV Naturally Aspirated
  • 2.5L 150Cu. In. l4 GAS OHV Naturally Aspirated
  • 4.6L 4622CC 282Cu. In. l6 GAS OHV Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

1986 Jeep Wagoneer Recalls & Complaints

NHTSA #85V13900029/10/1985Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

JEEPS MAY HAVE AN IMPROPERLY CONNECTED FUEL LINE FITTING WHICH COULD BECOME DISCONNECTED AND CAUSE GASOLINE TO BE SPILLED.

Remedy

RECONNECT FUEL LINE FITTING, AS REQUIRED.

NHTSA #89V21900021/11/1989Component: EQUIPMENT:OTHER:LABELS

TIRE RESERVE LOAD LABEL MAY NOT HAVE BEEN INSTALLED.

Consequence

VEHICLES WOULD NOT COMPLY WITH FMVSS 110.

Remedy

INSTALL PROPER LABEL.

NHTSA #86V15900009/12/1986Component: STEERING:LINKAGES

STEERING LINKAGE COUPLERS REMAINED IN ACID ETCHING BATH TOO LONG.

Remedy

REPLACE OUT OF TOLERANCE STEERING LINKAGE COUPLERS.

NHTSA #86V14600007/11/1986Component: VEHICLE SPEED CONTROL:CABLES

ACCELERATOR CABLE BUSHING COULD DISCONNECT FROM THE ACCELERATOR LEVER ASSEMBLY.

Remedy

REPLACE ACCELERATOR PEDAL BRACKET AND LEVER ASSEMBLIES.

NHTSA #88V10600001/07/1988Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC

BRAKE BOOSTER VACUUM RESERVOIR CANISTERS MAY DEVELOP LEAKS DUE TO BUMPER IMPACT.

Consequence

THIS WOULD RESULT IN LOSS OF POWER BRAKE ASSIST AND ANINCREASE IN STOPPING DISTANCE.

Remedy

REPLACE BRAKE BOOSTER VACUUM CANNISTERS WITH NEW TYPE CANNISTERS; ALSO, INSTALL A RESTRICTION ORIFIC

TSB #600604

SUBJECT ON CUSTOMER SATISFACTION NOTIFICATION #733--BRAKE PEDAL SHIFT INTERLOCK. *YC

TSB #39539

REDESIGNED LIFTGATE LATCH. *TW

20000821Component: TIRESCrash reported1 injured

THE RIGHT REAR TIRE BLEW I LOST CONTROLL AND TOTALED THE VEHICLE WITH MY TWO CHILDERN WITH ME.( DOT NUMBER: W1HL TIRE SIZE: 9235/75R15 )

20000929Component: TIRES:TREAD/BELT

PE#00020; FRONT PASSENGER'S TIRE BLEWOUT. VEHICLE WAS MOVING APPROXIMATELY 20 MPH. TIRE EXPERIENCED A LARGE RIP WHERE THE TREAD MET THE SIDEWALL. TIRES WERE PURCHASED BRAND NEW AT A TIRE CENTER.

19980813Component: SEAT BELTS:FRONT:RETRACTOR

SEATBELTS IN REAR OF VEHICLE ARE DEFECTIVE. SEATBELT RETRACTORS ARE FAULTY. THEY STICK AND JAM. CONSUMER HAS REPLACED WITH MANUAL SEATBELTS. PLEASE PROVIDE FURTHER DETAILS. *AK

19951214Component: STEERING: STEERING WHEEL/HANDLE BAR

BOLT HOLDING ADJUSTABLE STEERING WHEEL COLUMN HAS LOOSENED, DEALER TIGHTENED AND PUT LOCK WASHERS ON THEM. TT

19950110Component: SEAT BELTS:FRONT:BUCKLE ASSEMBLY

THE DRIVER SIDE SEAT BELT BUCKLE FELL APART, CALLED DEALER, HE SAID PART IS ON NATIONAL BACK ORDER DON'T KNOW WHEN THEY GOING TO GET THE PART. TT

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