Acura NSX 1997 Service Manual page 461

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Reassembly
NOTE:
• Clean all parts thoroughly in solvent or carburetor
cleaner, and dry with compressed air.
• Blow out all passages.
• Lubricate all parts with ATF before assembly.
1. Inspect the check valve; if it's loose, replace the pis-
ton.
2. Install a new O-ring on the clutch piston.
3. Be sure that the disc spring is securely staked.
NOTE: For 1st, 3rd and 4th clutches.
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4. Install the piston in the clutch drum. Apply pressure
and rotate to ensure proper seating.
NOTE: Lubricate the piston O-ring with ATF before
installing.
CAUTION: Do not pinch O-ring by installing the
piston with force.
5. Install the return spring and spring retainer, then
position the circlip on the retainer.