On 2.4L 4 cylinder engines a whining noise may be noted when the engine is cold and the rpm is in the 1800-2000 range. Our technicians tell us that most commonly this type of noise is coming from the engine oil pump. The repair is to replace the front case assembly and both the drive and driven oil pump gears.
Problems for specific Mitsubishi Eclipse years:
Car problem reports
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Most reported Mitsubishi Eclipse problems
Carbon buildup on the top of the piston is common. Over time this can lead to symptoms varying from light ticking to knocking noises. Performing a fuel injector cleaning procedure can often help the condition by removing some of the piston top deposits.
A driveline vibration may be noted on smooth roads. If the occurs all driveline mounts should be inspected and replaced as necessary. Upper and lower radiator mounts should also be inspected in the same manner. If all mounts are good and the problem continues updated engine and transmission mounting brackets are available which may help this condition.
The 80 amp fusible link for the charging system can fail and is often overlooked when diagnosing a charging system that is not working. Our technicians recommend to make sure this fusible link is OK before replacing any charging system components.
The front, lower ball joint may fail unexpectedly resulting in loss of vehicle control. Failed ball joints will require replacement. Our technicians recommend a complete inspection of related suspension components if this situation occurs. This should be done in order to determine if there is any other damage as a result of the ball joint failure.
The drivers power seat may not adjust properly or develop a noise issue when adjusting. This is commonly caused by a damaged drive cable which will require replacement.
The exterior door handles may break requiring replacement.
One or both side airbag modules may fail resulting in illumination of the airbag warning light. Side airbag modules determined to be faulty should be replaced.
Vehicles with convertible tops may develop a fluttering type noise with the windows partially opened. This is commonly caused by the fabric top becoming loose at one of the metal bow supports. Our technicians tell us that the headliner must be lowered to access the retaining strips to tighten them.
A hesitation/stumble or driveway dieout maybe noted when starting the engine cold. This can be caused by carbon deposits built up on various intake components - air flow sensor, air intake hose, air intake plenum, and intake manifold. These components should be inspected and cleaned as necessary. If heavy deposits are found on the intake valves the cylinder head may need to be removed for proper cleaning.
The door glass may be hard to roll up and/or come out of the run channel. Our technicians tell us the repair can include adjustment of the run channel, regulator to glass, regulator to door, and if necessary shimming of the window regulator.
The clutch may fail prematurely or cause a buzzing type noise from the dash area. It has been recommended by some that a high quality aftermarket replacement clutch may provide increased longevity over a clutch purchased from the dealer.
The Check Engine Light may illuminate due to one or more engine vacuum leaks. Our technicians tell us these leaks can be caused by damage to seals and/or vacuum hoses as a result of to much ethanol content in the gasoline. Affected hoses and seals must be replaced to correct this concern.