1986 Jeep Wrangler problems

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The Jeep Wrangler is a series of compact and mid-size four-wheel drive off-road SUVs manufactured by Jeep since 1986, and currently in its fourth generation. The Wrangler JL, the most recent generation, was unveiled in late 2017 and is produced at Jeep's Toledo Complex.

The Wrangler is a direct progression from the World War II Jeep, through the CJ (Civilian Jeeps) produced by Willys, Kaiser-Jeep, and American Motors Corporation (AMC) from the mid-1940s through the 1980s. Although neither AMC nor Chrysler (after it purchased AMC in 1987) have claimed that the Wrangler was a direct descendant of the original military model — both the CJ Jeeps and the conceptually consistent Wrangler, with their solid axles and open top, have been called the Jeep model as central to Jeep's brand identity as the rear-engine 911 is to Porsche.

Similar to the Willys MB and the CJ Jeeps before it, all Wrangler models continue to use a separate body and frame, rigid live axles both front and rear, a tapering nose design with flared fenders, a fold-flat windshield and can be driven without doors. Also, with few exceptions, they have part-time four-wheel drive systems, with the choice of high and low gearing, and standard open bodies with removable hard or soft tops. However, the Wrangler series was specifically redesigned to be safer and more comfortable on-road, to attract more daily drivers, by upgrading its suspension, drivetrain, and interior, compared to the CJ line. The suspension on all Wranglers included trackbars and anti-roll bars, and, from the 1997 TJ onwards, front and rear coil springs instead of the previous leaf springs.

From 2004 on, the Wrangler has been complemented with long-wheelbase versions, called Wrangler Unlimited. 2004-2006 models were longer versions with 2 doors. In 2004 only automatic transmission-equipped “Unlimited” versions were sold. In 2005 both an automatic and manual 6-speed (NSG-370) were offered. Since 2007, the long-wheelbase Wranglers were four-door models, offering over 20 in (508 mm) more room. By mid-2017 the four-door models represented three-quarters of all new Wranglers on the market.

1986 Jeep Wrangler

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Common 1986 Jeep Wrangler problems

The Jeep Wrangler, a popular off-roading vehicle, has been known to have several common problems throughout its generations. Here are some of the most frequently reported issues with the 1986 Jeep Wrangler, based on complaints from owners:

  • Ignition Switch Issues: If the accessories are not working properly or are acting erratically, it may be due to an ignition switch issue. This can cause components to continue to receive power even when the key is turned to the off position, leading to unexpected battery drainage. The average cost of a full replacement is between $115 and $140, with the majority of that cost covering labor.
  • Body Damage: Wranglers are made for off-roading, which means older Jeeps are more likely to have body damage. However, there are repair panels available for 1987-1995 Wranglers to keep them in perfect shape.
  • Oil Leaks: Even with good maintenance, vehicles this old are susceptible to oil leaks. There are multiple systems within a Wrangler that can leak oil, so diagnosing the problem can be challenging. Each system has a different color of fluid that will mix with the leaking oil and can be used to pinpoint the source of the leak.
  • Fuel Filler Hose Problem: The fuel filler hose can have a problem where the flap closes while refilling and splashes the owners. This is not a major issue but can be inconvenient.
  • Death Wobble: This is a common problem in the Wrangler, where the wheel starts to shake uncontrollably while driving. This can be a big headache for owners and can be caused by various factors such as tire balance, suspension components, and steering linkage.

It is important to note that while these are common problems with the 1986 Jeep Wrangler, not all vehicles will experience these issues. Proper maintenance and regular inspections can help prevent or catch these problems early on, potentially saving owners from costly repairs.

1986 Jeep Wrangler engine

What is the most common problem with Jeep Wranglers?

A list of some of the most common issues Wrangler owners have to deal with.

  • Electronic Sway Bar Disconnect. Make room, death wobble. ...
  • TRW Crash Sensor Defect. ...
  • Jeep Vehicles with Recalled Takata Airbags. ...
  • Faulty Wrangler Welds. ...
  • Jeep TIPM Electrical Problems. ...
  • Death Wobble. ...
  • Window Regulator Failure. ...
  • Wrangler Gas Overflow Complaints.

At what mileage do Jeep Wranglers start having problems?

Per MotorAndWheels.com, you can expect the average Jeep engine to run for over 200,000 miles. Depending on how many miles you drive annually, a used Jeep can last over 20 years. There isn't a specific mileage that causes a Jeep to suddenly develop problems.

Which year is best for Jeep Wrangler?

According to motorandwheels.com, here are the most reliable years for the Jeep Wrangler:

  • 2018 Jeep Wrangler.
  • 2015 Jeep Wrangler.
  • 2010 Jeep Wrangler.
  • 2003 Jeep Wrangler.
  • 1997 Jeep Wrangler.

Can a Jeep Wrangler last 20 years?

The ideal lifespan of a Jeep is 20 years . However, it can easily go up to 50 years. Mostly, the Jeeps that are one-handedly maintained, taken proper care and follow good driving routines last up to half a decade, making them the most reliable American SUV.

What is the most common problem with Jeep Wranglers?

A list of some of the most common issues Wrangler owners have to deal with.

  • Electronic Sway Bar Disconnect. Make room, death wobble. ...
  • TRW Crash Sensor Defect. ...
  • Jeep Vehicles with Recalled Takata Airbags. ...
  • Faulty Wrangler Welds. ...
  • Jeep TIPM Electrical Problems. ...
  • Death Wobble. ...
  • Window Regulator Failure. ...
  • Wrangler Gas Overflow Complaints.

What years to avoid in a Jeep Wrangler?

FAQ: Jeep Wrangler Years To Avoid

A: Potential buyers should be cautious with the 2012, 2007, and 2008 Jeep Wrangler models. The 2012 model is particularly notorious for its high number of recalls, while the 2007 and 2008 models also have a significant recall history, indicating potential reliability issues.

Are older Wranglers reliable?

A: Yes, older models, especially those from the late 90s and early 2000s, like the 1997 and 2003 Wranglers, have proven to be reliable.

What are the negatives of a Jeep Wrangler?

Other Wrangler drawbacks include a narrow cabin and driving position, as well as limited legroom, particularly for taller drivers. Because of the flat windshield and a steering wheel that's closer than in most vehicles, the driving position can take some getting used to.

1986 Jeep Wrangler car problems categorized by type of issue

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

  • Fuel system problems
  • Gasoline problems

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

1986 Jeep Wrangler complaints

The NHTSA has received 1 complaints about various vehicle components related to the 1986 Jeep Wrangler.

1999-12-15

FUEL SYSTEM, GASOLINE PROBLEM

  • Date Of Incident: 1999-12-14
  • VIN: 2BCCZ8118HB
  • Components: FUEL SYSTEM, GASOLINE
  • Summary: FUEL TANK LEAKS AT 3/4 FULL, AND FUMES CAN BE SMELLED IN CAB OF VEHICLE WITH WINDOWS UP. PROBLEM HAS BEEN FIXED 3 TIMES, BUT IT STILL PRESISTS. *AK

1986 Jeep Wrangler recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 1986 Jeep Wrangler.

2004-06-07
  • Manufacturer: BESTOP, INC.
  • Components: EQUIPMENT
  • Summary: BESTOP AFTERMARKET REAR SHELL ROOF RACKS,MANUFACTURED BETWEEN APRIL 27 AND MAY 20, 2004, DESIGNED FOR USE WITH THE BESTOP HARDTOP MADE FOR THE 1986-1995 AND 1997-2003 JEEP WRANGLER. THE COCKPIT COVER MAY NOT STAY LATCHED TO THE ROOF RACK BECAUSE THE LATCH BRACKET MISPOSITIONS THE ROTARY LATCH TO THE COCKPIT COVER. AS A RESULT, THE COCKPIT COVER MAY NOT STAY LATCHED TO THE ROOF RACK AND COULD SEPARATE FROM THE ROOF RACK. THIS RECALL ONLY PERTAINS TO AFTERMARKET REAR SHELL ROOF RACKS AND HAS NO RELATION TO ANY ORIGINAL EQUIPMENT INSTALLED ON JEEP WRANGLER VEHICLES BY DAIMLERCHRYSLER.
  • Consequence: SHOULD THIS OCCUR, THE COCKPIT COULD CAUSE INJURY BY STRIKING PERSONS OUTSIDE THE VEHICLE OR COULD BECOME A DISTRACTION OR AN OBSTACLE TO OTHER DRIVERS, POSSIBLY RESULTING IN A VEHICLE CRASH.
  • Remedy: BESTOP WILL NOTIFY ITS CUSTOMERS AND PROVIDE A REPAIR KIT AND INSTALLATION INSTRUCTIONS FREE OF CHARGE. OWNER NOTIFICATION BEGAN JUNE 16, 2004. OWNERS WHO DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BESTOP CUSTOMER SERVICE DEPARTMENT AT (800) 845-3567.
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Additional sources

More sources of information about 1986 Jeep Wrangler problems:

Any common issues with the YJ? | Jeeps.net Forum
Any common issues with the YJ? | Jeeps.net Forum
https://www.jeeps.net/threads/any-common-issues-with-the-yj.4744/

Mar 26, 2020 ... Regarding some common problems with YJs, I would say one of them is flooding the floor when it rains, I have never been 100% sure exactly where ...

Common YJ Problems | Jeep Wrangler Forum
Common YJ Problems | Jeep Wrangler Forum
https://www.wranglerforum.com/threads/common-yj-problems.650681/

Apr 17, 2014 ... Hi, I'm looking to buy a jeep and the YJ really catches my eye! But I'd like to know what some common problems are beforehand so I know what ...

What were the most common quality and reliability issues with the ...
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 ... Are Jeep Wranglers reliable? What are some of the most common problems that owners have with their Jeeps?

Fix Idle and Stalling Problems on a Jeep Cj-7 or Wrangler Yj : 7 ...
Fix Idle and Stalling Problems on a Jeep Cj-7 or Wrangler Yj : 7 ...
https://www.instructables.com/Fix-idle-and-stalling-problems-on-a-jeep-cj-7-or-w/

... wrangler YJ's with 4.2 liter engines came with a rather lowsy carter bbd carburetor which of goes out fo adjustment. One of the most common problems with ...

Is the 4.2l i6 a solid and reliable engine? | Jeep Wrangler Forum
Is the 4.2l i6 a solid and reliable engine? | Jeep Wrangler Forum
https://www.wranglerforum.com/threads/is-the-4-2l-i6-a-solid-and-reliable-engine.536073/

Feb 14, 2014 ... I don't know much about the 4.2l though, any common problems or issues with this motor? Is it reliable like the 4.0? Like. Reactions: ...

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1986 Jeep Wrangler photo