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SERVICE SPECIFICATIONS

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Center Support<br />

A46DE AUTOMATIC TRANSMISSION - NO. 2 BRAKE (A46DE)<br />

No. 2 Brake Piston<br />

♦ O-Ring<br />

Snap Ring<br />

♦ Non-reusable part AT4897<br />

AT4887<br />

AT4775<br />

NO. 2 BRAKE<br />

COMPONENTS<br />

Piston Return Spring<br />

Disc<br />

Plate<br />

NO. 2 BRAKE DISASSEMBLY<br />

Snap Ring<br />

Flange<br />

AT-57<br />

1. REMOVE PLANETARY SUN GEAR AND NO. 1 ONE-<br />

WAY CLUTCH<br />

2. CHECK PISTON STROKE OF NO. 2 BRAKE<br />

Using a dial indicator, measure the No. 2 brake piston<br />

stroke applying and releasing the compressed air 392<br />

-785 kPa (4 - 8 kgf/cm2 , 57 - 114 psi), as shown.<br />

Piston stroke:<br />

1.01 - 2.25 mm (0.0398 - 0.0886 in.)<br />

If the values are nonstandard, inspect the discs.<br />

3. REMOVE FLANGE<br />

(a) Using a screwdriver, remove the snap ring.

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