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Fig. 343: O-Ring & Direct Clutch Piston
Courtesy of GENERAL MOTORS CORP.
3. Coat a new O-ring (1) with ATF and install the O-ring to the direct clutch piston.
Fig. 344: Direct Clutch Drum & Direct Clutch Piston
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Courtesy of GENERAL MOTORS CORP.
4. Coat the direct clutch piston with ATF, and install it to the direct clutch drum.
Fig. 345: Direct Clutch Return Spring
Courtesy of GENERAL MOTORS CORP.
5. Install the direct clutch return sprin
g. IMPORTANT: Do not damage the lip seal of direct clutch piston.
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Fig. 346: Return Spring, Compress, DT 46451 & DT 46453
Courtesy of GENERAL MOTORS CORP.
6. Place the DT 46451 (1) and the DT 46453 (2) on the return spring and compress. See Special Tools
.
7. Usin
g a snap ring expander, install the snap ring.
IMPORTANT: Do not expand the snap ring excessively.
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Fig. 347: Plates, Discs & Flange
Courtesy of GENERAL MOTORS CORP.
8. Install the 2 plates (2), 2 discs (3), and the flan
ge (1) in order: 2-3-2-3-1.
IMPORTANT: Before installing the discs, coat them with ATF.
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Fig. 348: Removing Snap Ring Using A Screwdriver
Courtesy of GENERAL MOTORS CORP.
9. Using a screwdriver, remove the snap ring.
10. Check that the end gap of the snap ring is not aligned with one of the cutouts.
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Fig. 349: Using A Dial Indicator Measure The Direct Clutch Piston Stroke While Applying
Compressed Air
Courtesy of GENERAL MOTORS CORP.
11. Install the direct clutch on the oil pump.
12. Using a dial indicator, measure the direct clutch piston stroke while applying and releasing 392 kPa (57
psi) of compressed air.
Specifications: The piston stroke is 0.4-0.8 mm (0.016-0.031 in).
If the piston stroke is less than the limit of piston stroke, parts may have been assembled
incorrectly, so check and reassemble again.
NOTE: Refer to Compressed Air Should Not Exceed 98 kPa (14 psi) Notice .
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If the stroke is non-standard, select another flange.
There are 3 flanges in different thickness.
Specifications:
The number 1 flange thickness is 3 mm (0.118 in).
The number 2 flange thickness is 3.2 mm (0.126 in).
The number 3 flange thickness is 3.4 mm (0.134 in).
PLANETARY RING GEAR DISASSEMBLE
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Fig. 350: Removing Snap Ring Planetary Ring Gear Using A Screwdriver
Courtesy of GENERAL MOTORS CORP.
1. Using a screwdriver, remove the snap ring.
Fig. 351: Planetary Ring Gear & Flange
Courtesy of GENERAL MOTORS CORP.
2. Remove the planetary ring gear flange from the planetary ring gear.
PLANETARY RING GEAR ASSEMBLE
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