1J7FJ36L2KL584801

The 1989 Jeep Comanche Pioneer is a robust 4WD pickup powered by a 4.0L in-line 6-cylinder engine producing 177 hp. Manufactured by FCA US LLC in Toledo, Ohio, it combines rugged performance with a classic design, built to handle both on-road and off-road adventures.

Decoded VIN:

Make

JEEP

Manufacturer Name

FCA US LLC

Model

Comanche

Model Year

1989

Plant City

TOLEDO

Trim

Pioneer

Vehicle Type

TRUCK

Plant Country

UNITED STATES (USA)

Plant Company Name

Toledo Assembly # 1

Plant State

OHIO

Body Class

Pickup

Gross Vehicle Weight Rating From

Class 1C: 4,001 - 5,000 lb (1,814 - 2,268 kg)

Drive Type

4WD/4-Wheel Drive/4x4

Engine Number of Cylinders

Displacement (CC)

4000

Displacement (CI)

244.0949763789

Displacement (L)

Fuel Type - Primary

Gasoline

Engine Configuration

In-Line

Engine Brake (hp) From

177

Engine Manufacturer

CMC

Seat Belt Type

Manual

Most common problems:

Oil leaks

Older engines, especially from the late 80s like the 1989 Jeep Comanche, are prone to oil leaks due to worn gaskets and seals.

Overheating

The cooling system in older vehicles may become less effective over time due to radiator clogging, thermostat failure, or water pump issues.

Vacuum leaks

In-line engines with multiple cylinders, such as this 6-cylinder engine, often develop vacuum leaks which can lead to poor engine performance and fuel economy.

Worn timing chain/belt

As vehicles age, the timing chain or belt can wear out, leading to poor engine timing, misfires, or even engine failure.

Fuel injector problems

Older fuel injectors can become clogged or fail, leading to poor fuel delivery and engine performance issues.

Ignition system issues

Components like the distributor, spark plugs, and ignition coils can degrade or fail over time, causing misfires and starting problems.

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