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1998 Jeep Wrangler Problems

Find the most common issues based on 1998 Jeep Wrangler owner complaints.
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Most Common 1998 Jeep Wrangler Problems

Water can leak near the A-pillar, at the front edge of the driver and passenger side doors. An improved seal is available.
Jeep issued a recall on the ignition switch because the switch could short-circuit in the presence of water or impurities.
The throttle position sensor (TPS) may fail causing intermittent drivability problems like hard starting, stalling, and/or hesitation when accelerating. A failed TPS will require replacement, p...
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1 Known 1998 Jeep Wrangler Brakes Problem

Due to warped front brake rotors or variations in the thickness of the rotors, brake pulsations may develop. The best method to reduce pulsations is to use an "On the Car" brake lathe (as long as t...

2 Known 1998 Jeep Wrangler Drive Train Problems

Leaks at the front and/or rear differential pinion seal and from the transfer case are common. Leakage from the transfer case normally occurs at the case-mating surfaces and require removal of the ...
If a thumping or creaking noise is heard from the transmission tunnel area while driving over bumpy roads, a transfer case shifter repair kit is available which should correct this concern.

1 Known 1998 Jeep Wrangler Electrical & Lights Problem

Jeep issued a recall on the ignition switch because the switch could short-circuit in the presence of water or impurities.

2 Known 1998 Jeep Wrangler Engine Problems

Engine oil leaks from the valve cover gasket, oil pan gasket and timing cover gasket are common.
Some models are susceptible to rear main oil seal failures in dirty or dusty conditions. As dirt and dust collect on the oil seal, the abrasion wears through the sealing surface. A spacer is used b...

5 Known 1998 Jeep Wrangler Exhaust & Emissions Problems

The throttle position sensor (TPS) may fail causing intermittent drivability problems like hard starting, stalling, and/or hesitation when accelerating. A failed TPS will require replacement, p...
A ticking type noise may be noted from the engine area due to an exhaust manifold that has cracked where the pipes are welded; cracked manifolds should be replaced.
The throttle body may accumulate an oily, black residue in the bore and on the throttle plate causing hard starting or possibly stalling when coming to a stop. The throttle body should be cleaned d...

2 Known 1998 Jeep Wrangler Heating & Air Conditioning Problems

If water leaks into the passenger compartment and under the passenger side carpet, an heating, ventilation and AC (HVAC) drain hose is available.
The AC evaporator may freeze after extended use of the air conditioner. The output may feel low due to the restricted evaporator. Once the ice buildup melts, the AC operates normally. A revised low...

0 Known 1998 Jeep Wrangler Maintenance Problems

3 Known 1998 Jeep Wrangler Miscellaneous Problems

Water can leak near the A-pillar, at the front edge of the driver and passenger side doors. An improved seal is available.
A cleaner/lubricant is available from Mopar for when the soft top window zippers become stiff or difficult to move. Our technicians note this product works very well when the directions are followe...
The tailgate hinges can corrode making it difficult to open the tailgate.

2 Known 1998 Jeep Wrangler Suspension & Steering Problems

Loose or worn suspension and steering components can cause a wobble or shaking in the steering wheel. It may happen at a certain speed and subside as the vehicle accelerates through the range. Tire...
When normal alignment practices do not bring components into the alignment specifications, offset upper ball joints are available.

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Known 1998 Jeep Wrangler Problems & Complaints

The outer exhaust manifold studs can break and cause exhaust leaks, commonly noted as a ticking type noise. The outer studs, clamps, and nuts will need to be replaced and are now being tightened ...
Jeep issued a recall on the ignition switch because the switch could short-circuit in the presence of water or impurities.
When normal alignment practices do not bring components into the alignment specifications, offset upper ball joints are available.
Water can leak near the A-pillar, at the front edge of the driver and passenger side doors. An improved seal is available.
Leaks at the front and/or rear differential pinion seal and from the transfer case are common. Leakage from the transfer case normally occurs at the case-mating surfaces and require removal of the ...
If water leaks into the passenger compartment and under the passenger side carpet, an heating, ventilation and AC (HVAC) drain hose is available.
Some models are susceptible to rear main oil seal failures in dirty or dusty conditions. As dirt and dust collect on the oil seal, the abrasion wears through the sealing surface. A spacer is used b...
The throttle position sensor (TPS) may fail causing intermittent drivability problems like hard starting, stalling, and/or hesitation when accelerating. A failed TPS will require replacement, p...
Engine oil leaks from the valve cover gasket, oil pan gasket and timing cover gasket are common.
Loose or worn suspension and steering components can cause a wobble or shaking in the steering wheel. It may happen at a certain speed and subside as the vehicle accelerates through the range. Tire...
A cleaner/lubricant is available from Mopar for when the soft top window zippers become stiff or difficult to move. Our technicians note this product works very well when the directions are followe...
Jeep issued an emissions recall in late 2006 to update the powertrain control module (PCM) software on certain 1997 - 1998 vehicles. As part of the recall, the catalytic converter will also be insp...
A ticking type noise may be noted from the engine area due to an exhaust manifold that has cracked where the pipes are welded; cracked manifolds should be replaced.
The AC evaporator may freeze after extended use of the air conditioner. The output may feel low due to the restricted evaporator. Once the ice buildup melts, the AC operates normally. A revised low...
The throttle body may accumulate an oily, black residue in the bore and on the throttle plate causing hard starting or possibly stalling when coming to a stop. The throttle body should be cleaned d...
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