Replacing a worn out supercharger coupler on 3.8 GM engines
A quick step by step video of how to replace the coupler in the nose shaft of the Eaton M90 Supercharger equipped on GM's 3.8L engines. The coupler fittings get loose over time and cause a terrible noise at idle which eventually leads to other issues including knock retard.
Eaton M90/M62 Supercharge series I and II.(Worn Coupler replacement)
Replacing a worn out Supercharger coupler on 3.8 GM engines.This video offer some explanation about the Eaton M90 and M-62 root type air pump aka Supercharger. How to rebuild and maintain the M90 & M62 Supercharger. Repairing a knocking plastic coupler in side the Eaton supercharge, and replace the Ester Oil every 30,000 mile. Replacing the supercharge oil will extend the operation lifetime of the unit. http://spinningwheels-sc.com/eatonm90refresherkit.aspx COMPLETE REBUILT KIT =$119 *2005 http://i73.photobucket.com/albums/i232/stevexperformance/325d.jpg http://i73.photobucket.com/albums/i232/stevexperformance/2a18.jpg http://i73.photobucket.com/albums/i232/stevexperformance/61ea.jpg http://i73.photobucket.com/albums/i232/stevexperformance/4d78.jpg http://i73.photobucket.com/albums/i232/stevexperformance/43d2.jpg http://i73.photobucket.com/albums/i232/stevexperformance/3bbd.jpg http://i73.photobucket.com/albums/i232/stevexperformance/9d4d.jpg http://i73.photobucket.com/albums/i232/stevexperformance/8793.jpg http://i73.photobucket.com/albums/i232/stevexperformance/35fa.jpg http://i73.photobucket.com/albums/i232/stevexperformance/9d4d.jpg http://i73.photobucket.com/albums/i232/stevexperformance/78c6.jpg http://i73.photobucket.com/albums/i232/stevexperformance/9b17.jpg http://i73.photobucket.com/albums/i232/stevexperformance/d4d2.jpg http://i73.photobucket.com/albums/i232/stevexperformance/22e0.jpg http://i73.photobucket.com/albums/i232/stevexperformance/ddca.jpg
Eaton m90 supercharger rattle no 2
The shed makes the noise a bit hard to hear ,so here it is again outside , this has had the coupler replaced
3800 Series 2 make your own fenderwell intake for less then $100
Build your own fenderwell intake for way less then $100 Support 3800 vendors. I dont work for any of these guys but without them a lot of us wouldnt be able to mod. Our cars are not supported by the big aftermarket companies so heres a quick plug for the 3 vendors left. www.intense-racing.com www.wbodystore.com www.zzperformance.com