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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (8HP75 Automatic Transmission (Service Information)) >> Disassembly And Assembly >> Transmission And Internal Clutches >> Clutch D - Disassembly And Adjustments

Clutch D - Disassembly And Adjustments

WARNING: This page is about a different variant/trim than selected.
  1. Using (special tool #8901A, Pressing Tool) (3) and (special tool #10429, Gauge, Force) (1), place the D-clutch in a suitable arbor press.
  2. Apply 200 N (45 lbs.) of force to the D-clutch backing plate to compress the wave plate.
  3. With a suitable feeler gauge (2), measure the gap between the D-clutch backing plate and the D-clutch retainer.
  4. Refer to clutch clearance table for specs. If clearance is not within specification a thinner or thicker selectable snap ring can be Installed to achieve proper clearance. Refer to CLUTCH SPECIFICATIONS .
GC0154393Courtesy of CHRYSLER GROUP, LLC

CLUTCH SPECIFICATIONS 

Clutch Condition Minimum Normal Maximum
D NEW 1.37 mm 1.515 mm 1.66 mm
0.054 in 0.060 in 0.065 in
AFTER OPERATION 1.37 mm 1.615 mm 1.86 mm
0.054 in 0.064 in 0.073 in

CLUTCH D SELECTABLE SNAP RINGS 

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.
2.0 mm 0.0787 in.
1.8 mm 0.0708 in.
1.6 mm 0.0629 in.
GC0183035Courtesy of CHRYSLER GROUP, LLC

DISASSEMBLY 

GC0182260Courtesy of CHRYSLER GROUP, LLC
  1. Place the D-clutch (3) in a suitable arbor press.
  2. Using (special tool #8901A, Pressing Tool) (1), to compress the oil baffle (2) enough to clear the locking tabs.
    GC0181326Courtesy of CHRYSLER GROUP, LLC
  3. Rotate the oil baffle (2) slightly until the tabs on the hub (1) are clear of the tabs on the baffle (3).
  4. Remove the oil baffle (2).
    GC0183537Courtesy of CHRYSLER GROUP, LLC
  5. Remove the belleville spring (1).
    GC0182250Courtesy of CHRYSLER GROUP, LLC
  6. Remove the selective snap ring (1).
    GC0182028Courtesy of CHRYSLER GROUP, LLC
  7. Remove the D-Clutch backing plate (1).
    GC0181620Courtesy of CHRYSLER GROUP, LLC
  8. Remove the D-Clutch frictions and steels (1), paying attention to the orientation.
    GC0182671Courtesy of CHRYSLER GROUP, LLC
  9. Remove the D-Clutch piston (1).
    GC0181854Courtesy of CHRYSLER GROUP, LLC
  10. Remove the D-Clutch carrier seal rings (2).

ASSEMBLY 

GC0183035Courtesy of CHRYSLER GROUP, LLC
NOTE:

If clutch discs are being replaced, soak them in 8HP trans fluid before assembly.

GC0181854Courtesy of CHRYSLER GROUP, LLC
  1. Install D-Clutch carrier seal rings (1).
    GC0183735Courtesy of CHRYSLER GROUP, LLC
  2. Verify the D-Clutch piston seal (2) is in good condition. Replace the D-Clutch if there are any tears or nicks in the seal.
  3. Coat the seal (2) on the D-Clutch piston with 8HP fluid.
    GC0182671Courtesy of CHRYSLER GROUP, LLC
  4. Install the D-Clutch piston (1) in the housing.
    GC0182604Courtesy of CHRYSLER GROUP, LLC
  5. Install the wave plate (4) into the carrier first.
    GC0181620Courtesy of CHRYSLER GROUP, LLC
  6. Install the frictions and steels (1) into the carrier.
    GC0182028Courtesy of CHRYSLER GROUP, LLC
  7. Install the backing plate (1) last onto the carrier.
    GC0182250Courtesy of CHRYSLER GROUP, LLC
  8. Install the proper selective snap ring (1) onto the D-Clutch carrier.
    GC0183537Courtesy of CHRYSLER GROUP, LLC
  9. Install the belleville spring (1).
    GC0182160Courtesy of CHRYSLER GROUP, LLC
  10. Place the oil baffle (1) onto the hub of the D-clutch carrier.
    GC0181326Courtesy of CHRYSLER GROUP, LLC
  11. Rotate the baffle so the tabs on the hub (1) and the tabs on the baffle (2) line up to the locked position.
    GC0182260Courtesy of CHRYSLER GROUP, LLC
  12. Place the D-clutch (3) in a suitable arbor press.
  13. Using (special tool #8901A, Pressing Tool) (1), compress the oil baffle (2) enough to clear the lock tabs.
  14. Release the arbor press.
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