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2005 malibu classic 2.2 ecotec low end oil leak

I have a 2005 Malibu Classic(2.2 ecotec) and I have lost about 3 quarts of oil in the last month since I changed my oil. The oil pan bolt is tight and not leaking and I have checked my head, upper/lower intake gaskets and no leaks there. It appears to be leaking from right above my starter. What part is could this be?

Posted by Anonymous on

6 Suggested Answers

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Posted on Jan 02, 2017

  • 474 Answers

SOURCE: Oil pan gasket leak

If everything has been installed correctly and torqued right you might want to check for crackes in the block or pan.

Posted on Aug 16, 2008

  • 548 Answers

SOURCE: Leaking oil pan gasket

Check the pan to make sure it is not cracked or warped. Also notice where most of the leak is coming from. When you took off the old gasket, did you scrape off all of the old material? If you used a screwdriver to do that, you may have nicked the metal and created a path for oil to leak. If you didn't scrape off the old material and any RTV sealant, you will want to, using a plastic scraper. There are sprays that dissolve this material too if it is too hard to scrape off.

If that area is nicked badly and you haven't used RTV sealant, you may want to put a small amount all over the area that the gasket will cover, not just the nicked area but the whole area that the pan gasket will cover- it doesn't take much and if you smear too much on, it will just ooze out and make things messy - just a fine coating will do.

As you tighten up the bolts, make sure you tighten in an alternating pattern as they begin to contact the gasket and get tight so a bolt on one side get fastened down as often as one on the other side gets fastened to avoid warping the pan.

Hope this helps.

Posted on Dec 27, 2008

  • 362 Answers

SOURCE: leaking oil somewhere on oil pan on 1997 siverado 1500

If your truck is a four wheel drive check the oil filter adapter where the filter screws on, the o'ring can start to leaking.

Posted on Feb 10, 2009

  • 632 Answers

SOURCE: Oil and Coolant leak

The passenger right side of the car doesn't have any flanges for cooling system, if that's correct then your radiator has a leak or puncture.

The driver side of vehicle has both the in and out flanges for the radiator. Very common to see leak at the drain valve leaking (not closed tightly). In the same area would be bottom flange of radiator which the composite flange is degrading and causing the leak.

The middle part of the bottom engine compartment is where your oil/coolant cooler assembly just above the oil filter. A loose oil filter could be the cause 95% of the time and 5% would be a bad o-ring from the oil cooler to the oil filter flange.

Posted on May 15, 2010

  • 844 Answers

SOURCE: Oil is leaking bad and

is the leak visually on the ground, then it seems like you could get under car and wipe a few things and see what leaks, thats a big leak, car would be leaving a smoke screen behind you from getting all over exhaust system. I would have to say, REAR MAIN SEAL BETWEEN MOTOR AND TRANS, OIL FILTER NOT TIGHT, Is oil all over the timing belt? front gasket/seal failure, Oil sending unit, is the light on or pressure gauge work?

Posted on Jan 14, 2011

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