Clutch A - Disassembly And Adjustments

WARNING: This page is about a different variant/trim than selected.

CLUTCH A MEASUREMENT PROCEDURE

Using (special tool #10428, Adapter, Pressing Tool) and (special tool #10429, Gauge, Force), place the Clutch A/oil pump assembly in a suitable arbor press.
Apply 200 N (45 lbs.) of force to the Clutch A backing plate to compress the wave plate.

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1 - Pressing Tool Adapter

2 - Feeler Gauge
With a suitable feeler gauge measure the gap between the Clutch A backing plate and the snap ring.
Refer to the clutch clearance table for specs. If clearance is not within specification, a thinner or thicker selectable snap ring can be installed for proper clearance.

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1 - Pressing Tool Adapter

2 - Force Gauge

3 - Clutch A/Oil Pump Assembly

CLUTCH SPECIFICATIONS


Clutch	Condition	Minimum	Normal	Maximum
A	NEW	1.51 mm	1.665 mm	1.82 mm
	NEW	0.059 in	0.066 in	0.072 in
	AFTER OPERATION	1.51 mm	1.765 mm	2.02 mm
	AFTER OPERATION	0.059 in	0.069 in	0.080 in

CLUTCH A SELECTABLE SNAP RINGS

3.2 mm	0.125 in.
3.0 mm	0.118 in.
2.8 mm	0.110 in.
2.6 mm	0.102 in.
2.4 mm	0.0944 in.
2.2 mm	0.0866 in.

DISASSEMBLY Clutch A, depending on transmission Julian date, may contain wave springs that sit around each friction plate. There will be five friction plates, five wave springs, five steel plates, one support plate, one snap ring, and one wave plate.

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1 - Snap Ring

2 - Support Plate

3 - Friction Plates

4 - Wave Springs

5 - Steel Plates

6 - Wave Plate

Remove the oil pump from the transmission case. Refer to PUMP, TRANSMISSION OIL, REMOVAL AND INSTALLATION .

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1 - Clutch B Damper Spring
Remove the Clutch B damper spring.

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1 - Clutch B Piston
Remove the Clutch B piston from the assembly.

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1 -Clutch B Piston Seal
Check the Clutch B piston seal for damage or wear and replace if necessary.

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1 - Snap Ring

2 - Clutch A Discs and Plates
Remove the snap ring.
Remove the Clutch A disks and plates.

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1 - Hub

Remove the hub.

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1 - Spring Compressor Tool

2 - Arbor Press

3 - Transmission Oil Pump Assembly

Position the oil pump housing assembly in a suitable arbor press.
Using (special tool #8285, Compressor, Spring), press on the fingers of the piston retaining ring to remove tension.

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1 - Retaining Ring
Remove the two halves of the retaining ring.

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1 - Clutch A Belleville Spring
Remove the Clutch A belleville spring.

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1 - Clutch A Piston
Remove the Clutch A piston (1) by rotating and gently lifting.

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1 - Clutch A Piston Outer Seal

2 - Clutch A Piston Inner Seal
Remove and DISCARD the Clutch A Piston inner and outer seals.

ASSEMBLY

NOTE:

If the clutch discs are being replaced, soak in 8HP transmission fluid before assembly.

Install new Clutch A inner and outer piston seals.

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1 - Clutch A Piston
Insert the Clutch A piston into the housing. Lubricate the seals with transmission assembly lube prior to installing them into the housing.

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1 - Clutch A Belleville Spring

Insert the belleville spring.

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1 - Spring Compressor Tool

2 - Arbor Press

3 - Transmission Oil Pump Assembly

Position the oil pump housing assembly in a suitable arbor press.
Using
(special tool #8285, Compressor, Spring)

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, press on the fingers of the piston retaining ring to remove tension.

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1 - Retaining Ring
Install the two retaining ring halves.

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1 - Hub
Install the hub.

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1 - Snap Ring

2 - Clutch A Discs and Plates
Install the Clutch A disks and plates.
Install the snap ring.

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1 - Clutch B Piston Seal
Install a NEW Clutch B seal.

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1 - Clutch B Piston
Install the Clutch B piston on the assembly.

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1 - Clutch B Damper Spring
Install the Clutch B damper spring on the Clutch B piston.
Install the transmission oil pump. Refer to PUMP, TRANSMISSION OIL, REMOVAL AND INSTALLATION .

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