Turbo Action 24141 Turbo Hydro 400 Manual Valve Body (PRN123) User Manual

Page 2

Part #24141

1/78,6/99,3/03,3/06

STEP #10:

If transmission is being overhauled when installing this valve body, the following step will enhance
the 2-3 shift. However, STEP #11 is not necessary for installation of this valve body.

STEP #11:

Remove lip seal from direct clutch drum. Do not remove any lip seals from the direct clutch piston!

STEP #12:

Use the enclosed drawing (Fig. #4) which indicates the location of the steel balls #1 thru #6
Note: If 1987-Up, it will have seven balls. Use only one of these balls with the manual control
valve body and it will need to be placed in a different case location. Very carefully place special
expansion plug #24118 in reverse hole shown in drawing. This plug must be carefully driven into
hole till it stops on the ridge in the hole. Check to see that one of the original ¼” steel balls fits in
the special expansion plug #24118 deep enough so that it doesn’t show above the face of the case.
If transmission is out of car, leave ball in the reverse hole. If transmission is still in car, place one
special valve body gasket #24157 to each side of special spacer plate #24116, use petroleum jelly
to hold gasket to plate. Locate steel ball on special plate #24116 so that as the valve body is lifted
up into the case, the steel ball will go in the reverse hole of the transmission case. CAUTION:
Before tightening bolts in valve body, be sure to line up the manual control valve as mentioned in
STEP #3, otherwise the valve might get bent because the valve slides back and forth (Fig. #1).
Torque all valve body bolts evenly to 8-10 ft./lbs. DO NOT INSTALL governor tubes or any other
steel balls other than the one you placed in the special expansion plug #24118.

STEP #13:

Install transmission filter being sure of good fit. CAUTION: If filter is not properly installed, a loss of
oil pressure will occur. Recommend using our filter #24006 (1965-67) models and #24011 (1968 &
Up) models.

STEP #14:

Disconnect vacuum line to modulator. Block at carburetor. Our Aluminum Plug #24122 is available to
replace vacuum modulator, but valve must be left in the case.

STEP #15:

Replace old pan gasket with new one and bolt up oil pan.

STEP #16:

Remove four bolts from governor cover, which is located to the rear of the transmission on the
passenger side.

STEP #17:

Remove governor assembly by pulling out slowly.

STEP #18:

Replace governor cover and bolts, leaving the governor assembly out of transmission.

STEP #19:

OPTIONAL: Disconnect kickdown wires located on driver’s side of transmission.

STEP #20:

This valve body, #24141, has no automatic features. The transmission must be shifted manually.
The valve body shift pattern is “PRN123.” No engine braking in 1

or 2

gear.

STEP #21:

Refill transmission with a good brand of Dexron Mercon or Type F transmission fluid. Warm trans-
mission up and select all gears with foot on brake. Then check to make sure transmission level is on
the add mark. Take vehicle out and shift through the gears at no more than 4000 RPM, at least two
times. Then re-check oil level. Add oil if necessary to bring to the full mark. DO NOT OVERFILL!

NOTE:

There will be a no 1-2 shift feel on jackstands.

The following parts should have been removed from transmission permanently with exceptions as noted and
options as noted:

1. Kickdown solenoid, wires & gasket (Remove)

Vacuum line (Remove)

2. Governor tubes (Remove)

Governor assembly (Remove)

3. Original valve body & spacer plate (Remove)

Intermediate (front) band (Optional)

4. All steel balls, except one (Remove)

1-2 accumulator oil seal rings (Remove)

5. All intermediate front servo parts (Remove)

10.

Direct clutch drum lip seal (Optional)