Question about 2005 Chevrolet Monte Carlo

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2005 Monte Carlo Super Charger Oil

How d o you change the Supercharger oil in a 2005 Chevy Monte Carlo?

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  • Anonymous Dec 07, 2008

    I don't know how to chang supercharged oil



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On the supercharger snout, located immediately to the right of the coil pack mounted closest to the supercharger, is the supercharger oil plug. It is a hex nut that uses a 3/8" allen wrench.

When the engine is cold, remove the plug. You can use any item of your choice that will create vacuum such as a siphon, a turkey baster or my favorite is a squirt bottle nozzle with about a 12" line on it.
Insert your hose into the reservoir hole and remove as much of the oil as you can. If you use the squirt bottle nozzle then if the hose is long enough then you should be able to "snake" the hose down into the reservoir almost the entire length of it by pushing the end of it toward a "1 o'clock" position if you are standing directly in front of the car.
Squirt the oil into another container. If your oil is the GM supercharger oil, it is animal fat based and biodegradable and can go in your regular trash.
Refill with GM supercharger oil or any other appropriate lightweight oil specified to meet requirement for the Eaton M90 supercharger. An equivalent oil can be purchased from
Fill the reservoir until the fluid reaches the bottom of the fill hole threads.

As an added note, if you lose the hex nut cap for the reservoir it isn't necessary to order a new one. A 7/8" fine thread bolt will fit perfectly but be careful not to torque more than 8ft/lbs with either the nut or bolt.

Posted on Nov 08, 2010


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