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Fig. 255: Measuring The Free Length Of 2nd Brake Piston Return Spring Using Vernier Calipers
Courtesy of GENERAL MOTORS CORP.
64. Using vernier calipers, measure the free length of the 2nd brake piston return spring together with the
spring seat.
Specification: The standard free len
gth is 15.85 mm (0.6240 in).
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Fig. 256: Disc
Courtesy of GENERAL MOTORS CORP.
65. If the sliding surface of the disc, the plate and the flange of 2nd brake are worn or burnt, replace the parts.
IMPORTANT:If the lining of the disc is peeling off or discolored, or even if a part
of the groove is defaced, replace all discs.
Before assembling the new discs, soak the discs in ATF for at least
15 minutes.
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Page 2819 of 5127
Fig. 257: Flange, Discs & Plates
Courtesy of GENERAL MOTORS CORP.
66. Install the flange, 2 discs and 2 plates in order: 2-1-3-1-3, where (1)=Disc, (2)=Flange, and (3)=Plate.
67. Install the 2nd brake return spring.
IMPORTANT: Install the snap ring in the groove of the transaxle case correctly.
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Fig. 258: O-Rings & 2nd Brake Piston
Courtesy of GENERAL MOTORS CORP.
68. Coat 2 new O-rings (1) with ATF and install the O-rings to the 2nd brake piston.
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Fig. 259: 2nd Brake Piston & 2nd Brake Clutch Cylinder
Courtesy of GENERAL MOTORS CORP.
69. Install the 2nd brake piston into the 2nd brake clutch c
ylinder.
IMPORTANT: Do not damage the O-rings.
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Fig. 260: 2nd Brake Clutch Cylinder & Transaxle Case
Courtesy of GENERAL MOTORS CORP.
70. Install the 2nd brake clutch c
ylinder to the transaxle case.
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Fig. 261: DT 46455 & DT 46458
Courtesy of GENERAL MOTORS CORP.
71. Using DT 46455 (1) and DT 46458 (2), compress the 2nd brake piston return spring. See Special Tools
.
72. Using the screwdriver, install the snap ring.
IMPORTANT: Install the snap ring in the groove of the transaxle case correctly.
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Page 2824 of 5127
Fig. 262: Thrust Bearing Race & Front Planetary Sun Gear
Courtesy of GENERAL MOTORS CORP.
73. Coat the thrust bearing race with petroleum jelly and install the race onto the front planetary sun gear.
Specification:
The race inner diameter is 19.3 mm (0.760 in).
The race outer diameter is 29.0 mm (1.142 in).
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