1994 Other Mitsubishi Models huge oil leaks.

Tiny
USELESS_DRIP
  • MEMBER
  • 1994 MITSUBISHI
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 80,000 MILES
The Mirage ES, affectionately known as "The Dentmobile" for its uncanny ability to attract other vehicles to bump into it in parking lots, is now in the hands of the fourth driver in the family. It's been reliable commuter car, student car, etc.

Recently, my teenage son complained that the oil light was coming on. Since he's not a motorhead, the concept of running a car without oil didn't create a sense of urgency.

I gave him the SAT comparison about oil is to car as blood is to humans.

So we looked for leaks, changed the oil and had him stay close to home.

Next morning, oil is all over the driveway under the car. I checked the dip stick, and 3 quarts are gone.

Filter was tight. Oil pan plug is tight. Some oil pan bolts were 1/4 turn loose. But. At the back of the engine where it bolts to transmission (FWD) there is oil dripping. I think it could be coming from the area where the drive shafts exit, but hard to tell due to the dirt, etc.

Other observation - he's been complaining of reduced mileage before the oil problem became pronounced. I used to get 30mpg, he's getting 20. Car does not burn oil, rings are fine.

Is it possible the rear bearing is shot and causing leaks? Is there some plug or other bolt that could be lose? Do the drive shaft bearings go?

Is this car ready for the big parts-shop in the sky?
Tuesday, March 4th, 2008 AT 11:52 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

wash down and run up to temp. You should be able to see a leak as bad as this. Check oil pressure switch, and rear main seal, (oil coming between engine and transmission ) front seal and rocker cover. These are the mail point of interest just now>

Mark (mhpautos)
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Friday, March 7th, 2008 AT 3:06 AM

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