Turbo Action 23951 Turbo Hydro 350 Tranz Brake (PRN123) User Manual

Page 2

Part #23951

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STEP #2:

Remove drain plug in pan and drain oil. Olds.., Buick and Pontiac and some
Chevy’s do not have a drain plug, and therefore, must be drained by dropping
pan on transmission. Recommend leaving a couple of bolts attached until most
of the oil has drained.

STEP #3:

Remove transmission oil filter by removing two screws. Be careful not to lose
gasket.

STEP #4:

Remove kickdown valve body wire by pulling pin out of kickdown lever in valve
body. NOTE: These pieces can be discarded as they are no longer used.
(Fig. #1).

STEP #5:

Before removing valve body, note position of the gear shift linkage hooked to the
valve body (Fig. #2). Remove 18 bolts from valve body. Carefully lower valve
body and at the same time slide angled shift pin lever from gear shift selector.

NOT drop valve body or manual valve with angled shift pin.

STEP #6:

Holding spacer plate with your hand, remove spacer support plate bolts. Carefully
lower plate as there are four small teflon balls sitting on plate. (Note: These

balls

can be discarded). Also, watch that the governor screen and oil pump screen

not fall out. These screens are located in case underneath the valve body

spacer

plate. See figures #3 & #4. Olds., Buick and Pontiac have two

governor screens

in rear of case, one in each passage. Chevy has only one

governor screen.

STEP #7:

Remove the governor screen or screens from transmission case and discard (Fig.
#3). Hole Letter “A” in Fig. #3 must be drilled to 19/64” (Note some models this
hole is already 5/16”). DO NOT DRILL HOLE OVER 3/4” DEEP.

STEP #8:

Take Special Plug #23040 and very carefully with a broad, blunt, pointed punch
tap into hole Letter “A”. If you tap too hard, the punch will go straight through the
bottom of the plug, therefore, be extremely careful.

STEP #9:

Remove the front servo from the case, Fig. #4 & #5.

Proceed with STEP #10 - #16, only if transmission is removed from car.

STEP #10: Disassemble transmission.

STEP #11: Disassemble direct drum to drill bleed hole.

STEP #12: Drill 1/16” hole at 45 degree angle in drum as shown in Fig. #6.

STEP #13: Reassemble drum with new lip seals. Discard center seal, set clutch clearances

.055 to .060 (4 clutches), .060 to .070 (5 clutches). Install new clutches if
necessary.

STEP #14: Install new clutches in low-reverse clutch pack. You should have 5 clutches in

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