LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2001 >> Rio Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul >> Reverse/Forward Clutch Assembly >> Reassembly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Reverse/Forward Clutch Assembly: Reassembly

  1. Install reverse clutch piston.
    1. Apply ATF to inner and outer faces of seals, and install them to reverse clutch piston.
      Fig 1: Installing Seal To Reverse Clutch Piston
      G02705591
    2. Insert reverse clutch piston by pushing evenly around circumference, bearing careful not to damage seal rings.
      Fig 2: Inserting Reverse Clutch Piston Into Drum
      G02705592
  2. Install piston return spring with tabs facing away from reverse clutch piston.
    Fig 3: Installing Piston Return Spring
    G02705593
  3. Install return spring stop with step facing upward.
  4. Install snap ring half way down reverse/forward drum as shown in Fig 4 .
    Fig 4: Installing Reverse/Forward Drum Snap Ring
    G02705594
  5. Install SST(0K201 190 AA1)  on reverse/forward drum.
    Fig 5: Installing Spring Compressor Onto Reverse/Forward Drum
    G02705595
  6. Compress spring and retainer assembly.
  7. Install snap ring with a screwdriver.
  8. Remove SST(0K201 190 AA1). 
  9. Install dished plate with dished side facing downward into drum as shown in Fig 6 .
    Fig 6: Installing Dished Plate Into Drum
    G02705596
  10. Install drive and driven plates. (two each)
    NOTE: Installation order: Driven-Drive-Driven-Drive
  11. Install retaining plate.
  12. Install snap ring.
  13. Measure reverse clutch clearance.
    1. Measure clearance between snap ring and retaining plate of reverse clutch.
    2. If clearance is not within specification, adjust it by selecting correct thickness snap ring. Refer to REVERSE CLUTCH SNAP RING SIZES  table.

      Reverse clutch clearance: 0.035-0.047 in. (0.9-1.2 mm) 

      REVERSE CLUTCH SNAP RING SIZES

      Reverse Clutch Snap Ring Sizes - In. (mm)
      0.079 (2.0) 0.087 (2.2) 0.095 (2.4)
      0.102 (2.6) 0.110 (2.8) 0.118 (3.0)
      Fig 7: Measuring Reverse Clutch Clearance
      G02705597
  14. Install coasting clutch drum.
    1. Apply ATF to inner and outer faces of seal, and install it onto coasting clutch drum.
      Fig 8: Installing Seal To Coasting Clutch Drum
      G02705598
    2. Face outer seal lip toward inside by gently rolling it down around circumference for easier installation into drum.
    3. Install coasting clutch drum in correct position in reverse/forward drum as shown in Fig 9 .
      Fig 9: Installing Coasting Clutch Drum Into Reverse/Forward Drum
      G02705599
    4. Push evenly around circumference, being careful not to damage outer seal.
  15. Install coasting clutch piston.
    1. Apply ATF to inner and outer faces of seals and install them onto coasting clutch piston.
      Fig 10: Installing Seal To Coasting Clutch Piston
      G02705600
    2. Face outer seal lip toward inside by gently rolling it down around circumference for easier installation into drum.
  16. Install spring and retainer assembly.
    Fig 11: Installing Spring & Retainer Assembly
    G02705601
  17. Install SST(0K201 190 AA1)  in coasting clutch as shown in Fig 12 .
    Fig 12: Installing Spring Compressor Into Coasting Clutch
    G02705602
  18. Compress spring and retainer assembly.
  19. Install snap ring.
  20. Remove SST(0K201 190 AA1). 
  21. Install dished plate with dished side facing out of drum as shown in Fig 13 .
    Fig 13: Installing Dished Plate Into Coasting Clutch Drum
    G02705603
  22. Install drive and driven plate.
    NOTE: Installation order: Driven-Drive-Driven-Drive
  23. Install retaining plate.
  24. Install snap ring.
  25. Measure coasting clutch clearance.
    1. Measure clearance between snap ring and retaining plate of coasting clutch.
    2. If clearance is not within specification, adjust it by selecting correct thickness snap ring. Refer to COASTING CLUTCH SNAP RING SIZES  table.

      Coasting clutch clearance: 0.039-0.048 in. (1.0-1.2 mm) 

      COASTING CLUTCH SNAP RING SIZES

      Coasting Clutch Snap Ring Sizes - In. (mm)
      0.071 (1.80) 0.077 (1.95) 0.083 (2.10)
      0.088 (2.25) 0.094 (2.40) 0.100 (2.55)
      0.106 (2.70) 0.112 (2.85) -
      Fig 14: Measuring Coasting Clutch Clearance
      G02705604
  26. Install dished plate with dished side facing downward into drum, as shown in Fig 15 .
    Fig 15: Installing Dished Plate Into Drum
    G02705605
  27. Install drive and driven plates.
    NOTE: Installation order: Driven-Drive-Driven-Drive-Driven-Drive
  28. Install retaining plate.
  29. Install snap ring.
    Fig 16: Installing Coasting Clutch Drum Snap Ring
    G02705606
  30. Measure forward clutch clearance.
    1. Measure clearance between snap ring and retaining plate of forward clutch.
    2. If clearance is not within specification, adjust it by selecting correct thickness snap ring. Refer to FORWARD CLUTCH SNAP RING SIZES  table.

      Forward clutch clearance: 0.039-0.048 in. (1.0-1.2 mm) 

      FORWARD CLUTCH SNAP RING SIZES

      Forward Clutch Snap Ring Sizes - In. (mm)
      0.063 (1.60) 0.069 (1.75) 0.075 (1.90)
      0.087 (2.20) 0.081 (2.05) 0.093 (2.35)
      Fig 17: Measuring Forward Clutch Clearance
      G02705607
  31. Check clutch operation as follows:
    1. Set clutch assembly onto oil pump.
    2. Check clutch operation by applying compressed air though fluid passages shown.

      Air pressure: 57 psi (392 kPa, 4.0 kg/cm 2  ) maximum 

      Fig 18: Checking Clutch Operation Using Compressed Air
      G02705608
  32. Apply petroleum jelly to thrust bearings, and secure them on each side of reverse/forward drum.

    Thrust bearing outer diameter: Oil pump side: 3.39 in. (86.0 mm) 

    Small sun gear and one-way clutch side: 2.21 in. (56.1 mm) 

    Fig 19: Installing Thrust Bearings Onto Reverse/Forward Drum
    G02705609