1991 ACURA NSX Service Repair Manual

Clutch

Illustrated Index

1ST CLUTCH

4TH CLUTCH

SNAP RING

CLUTCH END

PLATE

CLUTCH DISCS

Standard thickness:

2.34 mm (0.092 in)
CLUTCH

PLATES

Standard

thickness:

2.3mm

(0.091 in)
CLUTCH DRUM

O-RINGS

Replace.

CLUTCH PISTON

RETURN SPRING

SPRING RETAINER

CIRCLIP

CLUTCH DISCS

Standard thickness:

1.94 mm (0.076 in)
CIRCLIP

SPRING RETAINER

RETURN SPRING

CLUTCH PISTON

O-RINGS

Replace.

CLUTCH DRUM

CLUTCH PLATES

Standard

thickness:

2.0 mm

(0.079 in)
CLUTCH END PLATE

SNAP RINGProCarManuals.com

(cont'd)
CLUTCH DRUM
O-RINGS

Replace.
CLUTCH PISTON
RETURN SPRING
SPRING RETAINER
CIRCLIP

CLUTCH PLATES

Standard thickness:

2.0 mm (0.079 in)

SNAP RING
CLUTCH END PLATE
CLUTCH DISCS

Standard thickness:

1.94 mm (0.076 in)
CIRCLIP
SPRING RETAINER
RETURN SPRING
DISC SPRING
CLUTCH PISTON
O-RINGS

Replace.
CLUTCH DISCS

Standard thickness:

1.94 mm (0.076 in)
CLUTCH END PLATE
SNAP RING
3RD CLUTCH
1ST-HOLD CLUTCH

CLUTCH PLATES

Standard thickness:

2.3 mm (0.091 in)
BALL BEARING

CLUTCH DRUMProCarManuals.com

SNAP RING
CLUTCH END PLATE
CLUTCH DISCS

Standard thickness:

1.94 mm (0.076 in)
CLUTCH PLATES

Standard thickness:

2.3 mm (0.091 in)
CIRCLIP
SPRING RETAINER
RETURN SPRING
DISC SPRING
CLUTCH PISTON
O-RINGS

Replace.
CLUTCH DRUM
Clutch

Illustrated Index (cont'd)

2ND CLUTCHProCarManuals.com

(cont'd)

Do not set here.

Set here.

CAUTION: If either end of the compressor attach-
ment is set over an area of the spring retainer which is
unsupported by the return spring, the retainer may be
damaged.

CLUTCH SPRING
COMPRESSOR
BOLT ASSEMBLY

07GAE-PG4O200

DISC SPRING

2. Remove the disc spring.

NOTE: For 1 st-hold and 2nd clutches
SCREWDRIVER

CLUTCH SPRING
COMPRESSOR
ATTACHMENT

07HAE-PL50100
CLUTCH SPRING

COMPRESSOR

ATTACHMENT

07LAE-PX40100

3. Install the special tools as shown.

1. Remove the snap rings, then remove the clutch end

plate, clutch discs and plates.

SNAP RING

DisassemblyProCarManuals.com

5. Remove the circlip. Then remove the special tool,

spring retainer and return spring.
Clutch

Disassembly (cont'd)

4. Compress the clutch return spring.

6. Wrap a shop rag around the clutch drum and apply air

pressure to the oil passage to remove the piston. Place

a finger tip on the other end while applying air

pressure.

OIL PASSAGE

COMPRESSED AIR

HOSE NOZZLE

OSHA-Approved 30 psi

type only.ProCarManuals.com

(cont'd)
RETURN SPRING

O-RING
SPRING RETAINER
CIRCLIP

DISC SPRING
CLUTCH PISTON
5. Install the return spring and spring retainer and position

the circlip on the retainer.
CLUTCH DRUM

O-RINGS
PISTON

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.
PISTON
CAUTION: Do not pinch O-ring by installing the

piston with force.
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 in-

stalling.
Reassembly

NOTE:

Clean all parts thoroughly in solvent or carburetor clean-

er, and dry with compressed air.

Blow out all passages.

Lubricate all parts with ATF before assembly.

1. Inspect for a loose check valve.

CHECK VALVEProCarManuals.com

9. Remove the special tools.

Do not set here.
Set here.
8. Install the circlip.
CAUTION: If either end of the compressor attach-
ment is set over an area of the spring retainer which is unsupported by the retainer spring, the re-
tainer may be damaged.

CLUTCH SPRING
COMPRESSOR
BOLT ASSEMBLY

07GAE–PG40200
CLUTCH SPRING
COMPRESSOR
ATTACHMENT

07HAE–PL501007. Compress the clutch return spring.

CLUTCH SPRING
COMPRESSOR

ATTACHMENT

07LAE–PX40100

6. Install the special tools as shown.

Reassembly (cont'd)

ClutchProCarManuals.com

(cont'd)
CLUTCH DISC
CLUTCH END PLATE
11. Soak the clutch discs thoroughly in ATF for a minimum

of 30 minutes.

12. Starting with a clutch plate, alternately install the

clutch plates and discs. Install the clutch end plate

with flat side toward the disc.

NOTE: Before installing the plates and discs, make

sure the inside of the clutch drum is free of dirt or other

foreign matter.
SNAP RING
Install in this

direction.
SCREWDRIVER
13. Install the snap ring
10. Install the disc spring.

DISC SPRING
NOTE:

For 1st-hold and 2nd clutches

Install the disc spring in the direction shown.ProCarManuals.com