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Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul & Testing - 700-R4/4L60 >> Transmission Reassembly >> 2-4 Band & Servo Assembly
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2-4 Band & Servo Assembly

  1. Install 2-4 band in case. Align band anchor pin end with case pin hole. Install band anchor pin in case. Ensure band anchor pin aligns with end of 2-4 band.
  2. Install 2-4 servo assembly into case, and index apply pin on band end. Check for proper engagement of apply pin on band end. Recheck 2-4 servo apply pin selection to ensure correct pin is installed. See CHECKING SERVO PIN LENGTH  under TRANSMISSION DISASSEMBLY. Different length servo pins are available. See SERVO PIN SPECIFICATIONS  . Select proper length servo pin.
    SERVO PIN SPECIFICATIONS

    Pin ID Pin Length: In. (mm)
    2 Rings 2.61-2.62 (66.3-66.5)
    3 Rings 2.67-2.68 (67.8-68.1)
    Wide Band 2.72-2.73 (69.1-69.3)
  3. Install servo cover and "O" ring. Install Servo Cover Compressor (J-29714), and compress cover. Install cover retaining ring, indexing ring ends with slot in case.
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