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Jeep » Comanche » 1991 Jeep Comanche » Car Problems

Problems for specific Jeep Comanche years:

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1991 Jeep Comanche Problems

Oil seepage from head gasket

for the Jeep Comanche

The head gasket may seep oil externally. An updated head gasket is available that should correct this concern.

4 Reports

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Child seat tether anchors are available from Chrysler and can improve the performance of child restraints. Each tether kit has all the necessary parts and detailed instructions according to our technicians.

3 Reports

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Exhaust manifolds can crack where pipes are welded

for the Jeep Comanche

Exhaust manifolds commonly crack where the pipes are welded; the manifolds should be replaced.

3 Reports

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Drivability Issues Due to Faulty Throttle Position Sensor

for the Jeep Comanche

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, proper diagnoses should always be performed before replacing any parts.

3 Reports

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Engine Performance Problems Due to Residue on Throttle Bodies

for the Jeep Comanche

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 during regular maintenance but do not spray cleaners directly on or at the throttle position sensor (TPS) as this can damage the sensor.

3 Reports

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Verify procedure before replacing starter

for the Jeep Comanche

Be sure to verify starter replacement procedure before replacing the starter. A new starter replaced the older design and does not use a shim in the installation. Incorrect use of the shim can cause starter noise or may damage the starter.

3 Reports

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Ticking Noise Due to Broken Exhaust Manifold Studs

for the Jeep Comanche

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 to a reduced torque value (20 Nm/180 in lbs).

3 Reports

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Various Engine Oil Leaks

for the Jeep Comanche

Engine oil leaks from the valve cover gasket, oil pan gasket and timing cover gasket are common.

3 Reports

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Ignition wires may fail and cause engine performance problems

for the Jeep Comanche

Ignition wire failures can cause a rough idle or intermittent engine misfire and there might not be a Check Engine light.

3 Reports

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Dusty conditions may cause the rear main oil seal to leak

for the Jeep Comanche

Some models are susceptible to failures in dirty or dusty conditions. As dirt and dust collect on the oil seal, the abrasion wears through the sealing surface. A rubber plug, installed above the , is being used in production that prevents the dust entry near the seal and extends the life of the seal. The plug is available from MOPAR and should be installed any time a rear main seal service is performed.

3 Reports

Me Too

Problem shifting into reverse with AX-15 manual transmission

for the Jeep Comanche

Due to the design of the reverse gear system in the AX-15 manual transmission, it may block shifting into reverse one out of every ten attempts. An updated reverse gear is available if the concern becomes more frequent.

2 Reports

Me Too

What are Top Shops?