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Home >> Chevrolet >> 1994 >> Forward Control 6.5 Y, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - 4L60/4L60-E >> Transmission Disassembly >> Extension Housing

Extension Housing

  1. On 4L60 models, remove governor assembly. On models with mechanical speedometers, remove retaining bolt, washer and retainer. Remove speedometer driven gear assembly, driven gear and "O" ring.
  2. On models with internal speed sensor, remove retaining bolt and washer. Remove speed sensor assembly and "O" ring. Remove extension housing and seal. Remove output shaft sleeve and "O" ring (if equipped). Speed sensor rotor must be removed from output shaft.
  3. Install Gear Puller (J-21427-01) and Adapter (J-8433) on rotor. Pull rotor from output shaft. On models with mechanical speedometers, push retaining clip tab. Remove speedometer gear from output shaft.
  4. On 4L60-E models, remove speed sensor assembly. Remove extension housing and seal.
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