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Home >> Jeep >> 2024 >> Grand Cherokee Altitude X, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (8HP75 Automatic Transmission (Service Information) (2 Of 2)) >> Disassembly And Assembly >> Transmission And Internal Clutches >> Clutch A - Disassembly And Adjustments

Clutch A - Disassembly And Adjustments

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.

CLUTCH A MEASUREMENT PROCEDURE 

  1. 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.
  2. Apply 200 N (45 lbf.) of force to the Clutch A backing plate to compress the wave plate.
    GC0154367Courtesy of CHRYSLER GROUP, LLC
    1 - Pressing Tool Adapter
    2 - Force Gauge
    3 - Clutch A/Oil Pump Assembly
  3. With a suitable feeler gauge measure the gap between the Clutch A backing plate and the snap ring.
    GC0154526Courtesy of CHRYSLER GROUP, LLC
    1 - Pressing Tool Adapter
    2 - Feeler Gauge
  4. 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.

CLUTCH SPECIFICATIONS 

Clutch Condition Minimum Normal Maximum
A NEW 1.41 mm 1.555 mm 1.7 mm
0.056 in. 0.061 in. 0.067 in.
AFTER OPERATION 1.41 mm 1.655 mm 1.9 mm
0.056 in. 0.065 in. 0.075 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. 

GC0181054Courtesy of CHRYSLER GROUP, LLC
1 - Snap Ring
2 - Support Plate
3 - Friction Plates
4 - Wave Springs
5 - Steel Plates
6 - Wave Plate
  1. Remove the oil pump from the transmission case. Refer to PUMP, TRANSMISSION OIL, REMOVAL AND INSTALLATION .
  2. Remove the Clutch B damper spring.
    GC0183094Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch B Damper Spring
  3. Remove the Clutch B piston from the assembly.
    GC0183222Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch B Piston
  4. Check the Clutch B piston seal for damage or wear and replace if necessary.
    GC0182351Courtesy of CHRYSLER GROUP, LLC
    1 -Clutch B Piston Seal
  5. Remove the snap ring.
    GC0181353Courtesy of CHRYSLER GROUP, LLC
    1 - Snap Ring
    2 - Clutch A Discs and Plates
  6. Remove the Clutch A disks and plates.
  7. Remove the hub.
    GC0181853Courtesy of CHRYSLER GROUP, LLC
    1 - Hub
  8. Position the oil pump housing assembly in a suitable arbor press.
    GC0181624Courtesy of CHRYSLER GROUP, LLC
    1 - Spring Compressor Tool
    2 - Arbor Press
    3 - Transmission Oil Pump Assembly
  9. Using (special tool #8285, Compressor, Spring), press on the fingers of the piston retaining ring to remove tension.
  10. Remove the two halves of the retaining ring.
    GC0182378Courtesy of CHRYSLER GROUP, LLC
    1 - Retaining Ring
  11. Remove the Clutch A belleville spring.
    GC0183557Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch A Belleville Spring
  12. Remove the Clutch A piston (1) by rotating and gently lifting.
    GC0181945Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch A Piston
  13. Remove and DISCARD  the Clutch A Piston inner and outer seals.
    GC0182819Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch A Piston Outer Seal
    2 - Clutch A Piston Inner Seal

ASSEMBLY 

NOTE:

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

  1. Install new Clutch A inner and outer piston seals.
    GC0182819Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch A Piston Outer Seal
    2 - Clutch A Piston Inner Seal
  2. Insert the Clutch A piston into the housing. Lubricate the seals with transmission assembly lube prior to installing them into the housing.
    GC0181945Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch A Piston
  3. Insert the belleville spring.
    GC0183557Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch A Belleville Spring
  4. Position the oil pump housing assembly in a suitable arbor press.
    GC0181624Courtesy of CHRYSLER GROUP, LLC
    1 - Spring Compressor Tool
    2 - Arbor Press
    3 - Transmission Oil Pump Assembly
  5. (special tool #8285, Compressor, Spring), press on the fingers of the piston retaining ring to remove tension.

    Using

  6. Install the two retaining ring halves.
    GC0182378Courtesy of CHRYSLER GROUP, LLC
    1 - Retaining Ring
  7. Install the hub.
    GC0181853Courtesy of CHRYSLER GROUP, LLC
    1 - Hub
  8. Install the Clutch A disks and plates.
    GC0181353Courtesy of CHRYSLER GROUP, LLC
    1 - Snap Ring
    2 - Clutch A Discs and Plates
  9. Install the snap ring.
  10. Install a NEW  Clutch B seal.
    GC0182351Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch B Piston Seal
  11. Install the Clutch B piston on the assembly.
    GC0183222Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch B Piston
  12. Install the Clutch B damper spring on the Clutch B piston.
    GC0183094Courtesy of CHRYSLER GROUP, LLC
    1 - Clutch B Damper Spring
  13. Install the transmission oil pump. Refer to PUMP, TRANSMISSION OIL, REMOVAL AND INSTALLATION .