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Home >> GMC >> 1993 >> Forward Control 7.4 N >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - 4L60/4L60-E >> Component Disassembly & Reassembly >> Reverse Input Clutch >> Reassembly

Reverse Input Clutch: Reassembly

  1. Apply ATF to piston seals. Install seals on piston with seal lips facing away from plates. Install piston in clutch housing. Install spring assembly with large opening toward piston. Compress spring assembly. Install retaining ring.
    CAUTION: Ensure correct retaining ring is used. Ensure reverse input clutch retaining ring is not interchanged with low-reverse retaining ring.
  2. Install Belleville plate. Install clutch plates. Install backing plate with chamfered side upward. Install retaining ring. Apply even pressure to backing plate using fingers.
  3. DO NOT  apply too much pressure or Belleville plate will be distorted. Using feeler gauge, measure clearance between retaining ring and backing plate. Clearance should be .040-.076" (1.02-1.94 mm). Select backing plate. See BACKING PLATE SPECIFICATIONS  table.
BACKING PLATE SPECIFICATIONS

Identification Number Thickness In. (mm)
5 .293-.299 (7.44-7.59)
6 .267-.273 (6.78-6.93)
7 .241-.247 (6.12-6.27)
8 .215-.221 (5.46-5.61)