1986 Jeep Grand wagoneer problems

General information about Jeep-Grand wagoneer
Overview of popular issues
Analysis of common problems
Сomplaints list
Recalls list

The Jeep Wagoneer is a sport utility vehicle (SUV) nameplate of Jeep vehicles, with several models marketed for the 1963 through 1993 model years and again since the 2022 model year.

Various versions of the Wagoneer were manufactured in the US and other nations by Kaiser Motors (1962−1971), by American Motors (1971−1987), by Chrysler (1987−1993), and Stellantis from 2021.

A revival of the Jeep Wagoneer was introduced as a concept version on September 3, 2020, and as the production model on March 11, 2021. Sales begin in the second half of 2021 with 2022 model year versions.

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Common 1986 Jeep Grand wagoneer problems

The Jeep Grand Wagoneer, produced from 1984 to 1991, is known for its spacious and comfortable cabin, capable four-wheel drive system, and distinctive styling. However, as with any vehicle, there are common problems that owners may encounter. Here are some of the most frequently reported issues based on the search results:

Engine and Transmission Issues: The Jeep Grand Wagoneer's engines, particularly the V-8, are known to have oil leaks, ignition system woes, and low oil pressure.

Electrical System Problems: The Grand Wagoneer's electrical systems, which are a product of the emissions control climate of the time and the decision to stick with a carburetor throughout the truck’s entire production run, can be complex and prone to issues.

Cooling System Issues: Rapid coolant temperature fluctuations and overheating warnings are reported problems, particularly in the 2022 model year.

Interior and Exterior Issues: Problems with the paneling and stereo system, as well as issues with the air conditioning control, have been reported.

Braking System Issues: Brake problems have been reported, but the Grand Wagoneer's braking system is generally considered reliable, especially when properly maintained.

Fuel Efficiency: The Grand Wagoneer is known for its poor fuel efficiency, with single-digit mileage in city driving and around a dozen miles per gallon on the highway for the V-8 engine.

Maintenance Costs: The Grand Wagoneer's maintenance costs are reported to be around $691 per year, with 15% of those repairs expected to be severe in nature.

When considering purchasing a used Jeep Grand Wagoneer, it's important to have a mechanic inspect the vehicle before buying to identify any potential issues. Regular maintenance and addressing problems promptly can help ensure the longevity and reliability of the vehicle.

Are old Jeep Wagoneers reliable?

The Jeep Wagoneer's history can broadly be broken down into three generations, including the most recent relaunch. The most reliable Jeep Wagoneers tend to be those from the second generation, which extended between 1984 and 1991.

What year is the Jeep Grand Wagoneer in breaking bad?

1991

The year 1991 was chosen because the Diecast model shows 1991 Jeep Grand Wagoneer.

What was the best year for the Jeep Grand Wagoneer?

Although Wagoneer didn't change a whole lot in all that time, people tend to consider the Grand Wagoneer of 1984-91 the best of the bunch. The last of the Wagoneers offered a wonderful mix of amenities, power, and utility in a V-8-powered woodgrain box that could go anywhere and do anything.

How much is an old Grand Wagoneer worth?

The value of a used 1991 Jeep Grand Wagoneer ranges from $2,525 to $8,334, based on vehicle condition, mileage, and options. Get a free appraisal here.

Are old Jeep Wagoneers reliable?

What was the best year for the Jeep Grand Wagoneer?

What year is the Jeep Grand Wagoneer in breaking bad?

1991

The year 1991 was chosen because the Diecast model shows 1991 Jeep Grand Wagoneer.

Why was the Wagoneer discontinued?

The Grand Wagoneer would sail through its twilight years with minor changes and was discontinued after 1991, a victim of more rigorous safety standards and its unfortunate single-digit fuel economy.

1986 Jeep Grand wagoneer car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Jeep Grand wagoneer problems, we found that the most common problems with these 2023 model year vehicles are:

Electrical system problems
Engine and engine cooling problems
Power train problems
Structure problems
Seat belts problems

The graph below shows statistics for all 1986 Jeep Grand wagoneer vehicle components and the number of complaints received.

1986 Jeep Grand wagoneer complaints

The NHTSA has received 4 complaints about various vehicle components related to the 1986 Jeep Grand wagoneer.

1999-12-14

ENGINE AND ENGINE COOLING,POWER TRAIN,ELECTRICAL SYSTEM,STRUCTURE PROBLEM

Date Of Incident: 1999-06-15
Components: ENGINE AND ENGINE COOLING,POWER TRAIN,ELECTRICAL SYSTEM,STRUCTURE
Summary: THE WHOLE CRANKCASE EMISSION CONTROL DEVICE FAILED, CAUSING A COMPLETE MELTDOWN OF ALL ENGINE PARTS. AT THE TIME THE VEHICLE WAS BEING DRIVEN ON THE FREEWAY AT 60 MPH. THERE WAS NO WARNING - THE VEHICLE JUST STARTED LOSING POWER WITH SMOKE AND FOWL ODOR COMING FROM UNDER HOOD AREA. THE JEEP DEALERSHIP REPLACED THE DAMAGED ENGINE COMPONENTS FOR AROUND $1200. ALL VACUUM HOSES, ALL SPARK PLUG WIRES, THE BRAKE FLUID RESOVOUR, ALL HOSES AND BELTS, THE CATALITIC CONVERTER, TO NAME A FEW, WERE THE ITEMS REPLACED. NOW NEARLY 10 MONTHS LATER THERE IS STILL MAJOR CARBORATOR AND EMISSION PROBLEMS. IN JUNE, 1999, $500 WORK ON EMISSIONS SYSTEM TO CORRECT IT SO IT WOULD PAST THE SAFETY INSPECTION TESTS. IN THE PAST TWO MONTHS, THE DRIVE TRAIN AND TRANSMISSION HAVE BEEN LEAKING FLUID AND THE VEHICLE HAS COMPLETELY LOST ALL POWER WHILE TRAVELING AT HIGHWAY SPEED (60-70 MPH). I AM ABLE TO PUT THE TRANSMISSION INTO NEUTRAL WHILE STILL ROLLING, TURN THE KEY AND RESTART THE ENGINE MOST OF THE TIME. OTHER TIMES I MUST COME TO A COMPLETE STOP, WAIT FOR A MINUETE OR TWO AND THEN RESTART. I RUN A PREMIUM GASOLINE AND EVERY OTHER TANK USE OCTANE BOOSTER. THE ENGINE GAGUES ALWAYS HAVE A NORMAL READING - EVEN WHEN THE EMISSION DEVICE FAILED - THE ENGINE NEVER SHOWED TO BE HOT, OIL PRESSURE WAS NORMAL AND BATTERY CHARGE WAS NORMAL. THE DOOR HANDLE ON THE DRIVERS SIDE COMPLETLY BROKE OFF. I NOW MUST OPEN THE DOOR FROM THE OUTSIDE OR EXIT THE PASSENGER DOOR. THE HOOD LATCH WILL NOT OPEN ALL THE TIME. SOMETIME IT IS NECESSARY TO APPLY PRESSURE TO THE HOOD BEFORE THE RELEASE ENGAGES. THE STARTER WAS REPLACED AND THE ALTERNATOR WAS REPLACED IN 2-99 WITHIN A FEW DAYS OF EACH OTHER. *AK

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1998-06-08

ELECTRICAL SYSTEM PROBLEM

Date Of Incident: 1992-11-30
Fire: 1
Components: ELECTRICAL SYSTEM
Summary: VEHICLE FIRE DUE TO FAILURE OF THE WIRING HARNESS IN THE DASHBOARD.

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1996-02-14

SEAT BELTS PROBLEM

Date Of Incident: 1996-02-14
VIN: 1JCNJ15U0GT
Components: SEAT BELTS
Summary: DRIVER'S AND PASSENGER SIDE SEAT BELT BUCKLES HAVE BROKEN, UNABLE TO LATCH SEAT BELT. TT

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1995-10-12

EQUIPMENT PROBLEM

Date Of Incident: 1995-06-01
Components: EQUIPMENT
Summary: COOLANT LEAKED INTO HEATER/AC HOUSING, AC IS NO LONG WORKING. TT

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1986 Jeep Grand wagoneer recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 2 recalls for different components of the 1986 Jeep Grand wagoneer.

1987-11-23

Manufacturer: CHRYSLER CORPORATION
Components: VISIBILITY:GLASS, SIDE/REAR
Summary: THE KEY OPERATED TAILGATE WINDOW WILL CONTINUE TO CLOSE IF THE SPRING LOADED KEY DOES NOT RETURN TO OFF POSITION WHEN RELEASED.
Consequence: WINDOW COULD CLOSE ON A CHILD OR OTHERS RESULTING INPERSONAL INJURY.
Remedy: OWNERS SHOULD NOT LEAVE KEY IN TAILGATE OF UNATTENDED VEHICLE. REPAIR MECHANISM TO ASSURE PROPER KEY RETURN OPERATION.

1985-10-29

Manufacturer: CHRYSLER CORPORATION
Components: SERVICE BRAKES, HYDRAULIC:FLUID
Summary: CERTAIN OF THESE VEHICLES MAY HAVE BEEN BUILT WITH CONTAMINATED BRAKE FLUID. CONSEQUENCE OF DEFECT: THIS CAN ADVERSELY AFFECT THE ENTIRE BRAKING SYSTEM WHERE COMPLETE BRAKE FAILURE CAN OCCUR WHICH COULD CAUSE AN ACCIDENT.
Remedy: FLUSH AND REFILL BRAKE SYSTEM WITH NEW HYDRAULIC BRAKE FLUID.

Additional sources

More sources of information about 1986 Jeep Grand wagoneer problems:

What were the most common quality and reliability issues with the ...

https://www.quora.com/What-were-the-most-common-quality-and-reliability-issues-with-the-1984-1991-Jeep-Grand-Wagoneer-series

Feb 2, 2023 ... 1991 Jeep Grand Wagoneer series?” I could be a complete smart ass and tell you the common quality and reliability issues with any Jeep is made;.

Here's Everything Wrong With My $800 Jeep Grand Wagoneer Off ...

https://jalopnik.com/heres-everything-wrong-with-my-800-jeep-grand-wagoneer-1820250767

Nov 9, 2017 ... ... 1986 Jeep Grand Wagoneer—a few weeks ago. I say “sort of,” because that article really didn't mention the Jeep's faults—it was focused on ...

1986 Jeep Grand Wagoneer Reviews - Carsurvey.org

http://www.carsurvey.org/reviews/jeep/grand_wagoneer/1986/

Apr 28, 2010 ... The Wagoneer came to me with a few issues. Nothing new has broken since I purchased it. Mostly, oil leaks, blown light bulbs, broken seat belt ...

Your Guide to "EXTREMELY common problems with an XJ (and ...

https://www.cherokeeforum.com/f59/your-guide-extremely-common-problems-xj-how-fix-them-135869/

May 16, 2012 ... Jeep Cherokee Forum. Your Guide to "EXTREMELY common problems with an XJ (and how to fix them)". Search Threads. Google Search; Threads; Posts ...