Won't stay in OD after HD2, Hardened plate, vette servo, billet 4th piston.
05-16-2011, 04:26 AM
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Won't stay in OD after HD2, Hardened plate, vette servo, billet 4th piston.
I have a 2002 Silverado 1500 4x4, 5.3L/4L60E, auto transfer case.
I just put in a Corvette Servo, Superior billet 4th apply piston, Trans Go separator plate, and Trans Go HD2 (no washer in the 2nd accum, 1 spacer between vette servo and 4th piston - right at 1/8" of travel, white spring in the valve body to match the new servo, spring seat in the 2nd accum set up as described in this thread: http://www.700r4l60e.com/forum/viewt...d6cc1fd555a34d) and now it doesn't want to stay in 4th gear. I did replace the spring on the outer end of the apply pin with the shorter, stiffer blue one that came with the 4th apply piston.
If I'm cruising down the freeway at really light throttle, for example level road or a slight decline, the truck will want to stay in 3rd. If I give it a bit of throttle to speed up, it will up shift into 4th. It down shifts back into 3rd when I left off the gas.
Would anyone recommend changing the spring back to the stocker from the one that came with the 4th apply piston, or should I look elsewhere first?
I just put in a Corvette Servo, Superior billet 4th apply piston, Trans Go separator plate, and Trans Go HD2 (no washer in the 2nd accum, 1 spacer between vette servo and 4th piston - right at 1/8" of travel, white spring in the valve body to match the new servo, spring seat in the 2nd accum set up as described in this thread: http://www.700r4l60e.com/forum/viewt...d6cc1fd555a34d) and now it doesn't want to stay in 4th gear. I did replace the spring on the outer end of the apply pin with the shorter, stiffer blue one that came with the 4th apply piston.
If I'm cruising down the freeway at really light throttle, for example level road or a slight decline, the truck will want to stay in 3rd. If I give it a bit of throttle to speed up, it will up shift into 4th. It down shifts back into 3rd when I left off the gas.
Would anyone recommend changing the spring back to the stocker from the one that came with the 4th apply piston, or should I look elsewhere first?
Last edited by spee; 05-16-2011 at 05:53 PM.
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