1990 Jeep Grand cherokee problems
The Jeep Grand Cherokee is a range of mid-size SUVs produced by the American manufacturer Jeep. At its introduction, while most SUVs were still manufactured with body-on-frame construction, the Grand Cherokee has used a unibody chassis from the start.
Development
The Grand Cherokee's origins date back to 1983 when American Motors Corporation (AMC) was designing a successor to the Jeep Cherokee. Three outside (non-AMC) designers—Larry Shinoda, Alain Clenet, and Giorgetto Giugiaro—were also under contract with AMC to create and build a clay model of the Cherokee XJ replacement, then known as the "XJC" project. However, the basic design for the Cherokee's replacement was well under way by AMC's in-house designers and the 1989 Jeep Concept 1 show car foretold the basic design.
As AMC began the development of the next Jeep in 1985, management created a business process that is now known as product lifecycle management (PLM). According to François Castaing, Vice President for Product Engineering and Development, the smallest U.S. automaker was looking for a way to speed up its product development process to compete better against its larger competitors. The XJC's development was aided by computer-aided design (CAD) software systems making the engineers more productive. Meanwhile, new communication systems allowed potential conflicts to be resolved faster, thus reducing costly engineering changes, because all drawings and documents were in a central database. The system was so effective that after Chrysler purchased AMC in 1987, it expanded the system throughout its enterprise, thus connecting everyone involved in designing and building products.
The Grand Cherokee thus became the first Chrysler-badged Jeep product. Development work for the new Jeep model continued and Chrysler's employees (after the 1987 buyout of AMC) were eager for a late-1980s release date; however, CEO Lee Iacocca was pushing for redesigned Chrysler minivans, thus delaying the Grand Cherokee's release until late 1992 as an Explorer competitor. Unlike the Explorer, the Grand Cherokee utilized monocoque (unibody) construction, whereas the Explorer was a derivative of the Ranger pickup with a separate body-on-frame. A Dodge-branded version was designed as a precaution should Jeep dealers struggle to handle so many Grand Cherokee units.
The Grand Cherokee debuted in grand fashion at the 1992 North American International Auto Show in Detroit, Michigan. The vehicle that was driven was a Poppy Red Clear Coat 1993 Grand Cherokee ZJ Laredo with a quartz cloth interior and high-back bucket seats. Then Chrysler president Robert Lutz drove Detroit mayor, Coleman Young, from the Jefferson North Assembly Plant on North Jefferson Avenue via a police escort to Cobo Hall, up the steps of Cobo Hall and through a plate glass window to show off the new vehicle. Sales of the 1993 model year Grand Cherokee began in April 1992.
Production of the Grand Cherokee started shortly afterward in the purpose-built Jefferson North Assembly in Detroit, Michigan. European Grand Cherokees are manufactured in Austria by Magna Steyr. The Grand Cherokee "played a significant part in reviving Chrysler's fortunes by moving it into the then-nascent market for high-margin sports utility vehicles."
Upon its introduction, it was the first full-scale manufacture of an automobile in the US using HFC-134a refrigerant in place of HCFC-12 for the HVAC system.
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Common 1990 Jeep Grand cherokee problems
The Jeep Grand Cherokee, first introduced in 1990, has been a popular choice for those seeking a versatile SUV. However, like any vehicle, it has had its fair share of common problems. Here are some of the most frequently reported issues, based on owner complaints, that affected earlier models of the Jeep Grand Cherokee:
- Throttle Position Sensor (TPS) Failure: The throttle position sensor, which is responsible for monitoring the throttle position and sending this information to the engine control module, can fail in the Jeep Grand Cherokee. This failure can lead to a rough running engine, hesitation while accelerating, and difficulty starting the vehicle. Replacing the TPS or the entire throttle body can fix this issue.
- Oil Leaks: Oil leaks are a common problem in the Jeep Grand Cherokee, particularly from the valve cover gasket and the oil pan gasket. These leaks can cause oil to seep near the corners of the valve cover or underneath the vehicle. To fix this issue, the gaskets need to be replaced.
- Transmission Range Selector (TRS) Switch Issues: The TRS switch, which is responsible for determining the gear position and sending this information to the vehicle's computer, can fail in the Jeep Grand Cherokee. This failure can cause issues with the transmission, such as delayed downshifting or erratic behavior. Replacing the switch can fix this issue.
- Exhaust Manifold Leaks: The exhaust manifold can crack, particularly at its welding points, leading to a ticking noise while driving, especially when accelerating. Replacing the exhaust manifold can fix this issue.
- Ignition Wires: The ignition wires, which are responsible for transmitting the electrical current from the ignition coil to the spark plugs, can fail in the Jeep Grand Cherokee. This failure can cause issues with starting the vehicle and can lead to misfires. Replacing the ignition wires and, in some cases, the spark plugs, can fix this issue.
These problems, while common, do not necessarily affect all Jeep Grand Cherokees. However, they are worth considering when purchasing a used Jeep Grand Cherokee, particularly models from the early 1990s. Regular maintenance and inspections can help prevent these issues or catch them early before they become more serious problems.
What are the bad years for Jeep Grand Cherokee?
2011-2020 Jeep Grand Cherokee problems such as fail-prone TIPM sensors, delaminating leather and cracked cylinder heads are usually found in early model years. The 2014-2017 V6 Grand Cherokee has a finicky 8-speed transmission and the 2013-2017 V8 is known for having a weak water pump.
What is the biggest problem with a Jeep Grand Cherokee?
Some of the most common problems with Jeep Grand Cherokee SUVs include the following:
- Power Steering Failure: A vehicle's power steering system helps you maneuver your SUV, especially when turning or driving at low speeds. ...
- Engine Issues. ...
- Other Electrical System Problems. ...
- Safety Concerns.
How many miles can a 1990 Jeep Cherokee last?
All things considered, a conservative estimate for the maximum lifespan of a typical fifth-generation Jeep Cherokee falls somewhere in the 175,000 to 200,000-mile range, though outliers, as with any car, exist for the Cherokee as well.
What is the main problem for a Jeep Cherokee?
Some of the common issues that plague the Jeep Cherokee include engine stalls, transmission problems, and transmission-related recalls.
What is the common problem with Jeep Grand Cherokee?
Unfortunately, power steering failures are among the most common 2021 Jeep Grand Cherokee problems.
What are the bad years for Jeep Grand Cherokee?
2011-2020 Jeep Grand Cherokee problems such as fail-prone TIPM sensors, delaminating leather and cracked cylinder heads are usually found in early model years. The 2014-2017 V6 Grand Cherokee has a finicky 8-speed transmission and the 2013-2017 V8 is known for having a weak water pump.
How many miles can a 1990 Jeep Cherokee last?
All things considered, a conservative estimate for the maximum lifespan of a typical fifth-generation Jeep Cherokee falls somewhere in the 175,000 to 200,000-mile range, though outliers, as with any car, exist for the Cherokee as well.
What engine is in a 1990 Jeep Cherokee?
Engines
| Name | Displacement | Years |
|---|---|---|
| 2.1 L TurboDiesel Douvrin J8S | 2,068 cc (126 cu in) | 1985–1994 (1985–1987 in North America) |
| 4.0 L AMC 242 | 3,959 cc (242 cu in) | 1987 |
| 1988–1990 | ||
| 1991–2001 |
1990 Jeep Grand cherokee complaints
The NHTSA has received 0 complaints about various vehicle components related to the 1990 Jeep Grand cherokee.
You can leave your car complaint via the special form below.
Additional sources
More sources of information about 1990 Jeep Grand cherokee problems:
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