Mechanics

2-3 SHIFT SOLENOID

1996 GMC C2500 • V8 2WD Automatic • 270,000 miles

Instructions for replacing 2-3 shift solenoid.
OBDII code P0756 (4L80-E)
Transmission is slow in shifting from 2nd to 3rd. Occasional MIL lights up and wont't shift to 3rd. Turn ignition off, restart and will then shift. Have changed fluid and filter.

Transmission was replaced with rebuilt at 145000 miles. Now have 270000 miles on vehicle.


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Rlbstockton
July 25, 2011.



You have to drop the tranny pan to get to the valve body where the shifting solenoids are located-dunno the exact location of the 2-3 shift solenoid-sorry no pic available

Rasmataz
Jul 25, 2011.