Question about 1995 Chevrolet Lumina
The o-ring on your oil pump drive has failed. any mechanic who knows ANYTHING about the 3.1 and 3.4 liter engine could have told you this
Posted on Jul 14, 2009
The "O"-rings on the dummy distributor fail and allow oil to gush out the topside. It's the 30mm plug you see in the top of the block under the intake throttle body. Removing it (it is retained with a bolt and a fork)and replacing the o-rings will stop the leak. Since it drives the oil pump, it is keyed therefore you may need to bump the starter to get it to fall back in when you replace it.
Posted on Jul 19, 2009
On the 3.4 dual overhead cam motor, you can't remove the plug. instead you get the plug up a 1/4 inch, which is all it will move without pulling the rear cylinder head, and stretch an o ring over it
Posted on Dec 07, 2013
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Posted on Jan 02, 2017
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