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International Automotive Technicians Network
Re: 4L80E and The Three Ring Circus
Posted to Transmission Forum on 3/27/2013

Fellow techs the show is once again on the road.

Although I did not believe that the pump itself was defective, I replaced it anyway along with a new Sonnax boost and pressure valve assembly.

As far as the sprags were concerned, after I compared the origi... Login to read more.