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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (Manual Transmission - NV 4500 - Overhaul) >> Repair Instructions >> Synchronizers Disassemble (5th/Overdrive Speed Gear)

Synchronizers Disassemble (5th/Overdrive Speed Gear)

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT:
    • Only disassemble the synchronizer sleeve from the synchronizer hub if there is a suspected gear shift concern.
    • For installation alignment, scribe an alignment mark on the synchronizer hubs and synchronizer sleeves before disassembling.
    • Mark the synchronizers clutch gears and the blocking rings with the corresponding gear, for correct diagnostic inspections.
    • Install the synchronizer components in the same location, if reusing.
  1. Lay the 5th speed gear assembly on a shop towel, with the gear side down.
  2. Cover with the shop towel.
  3. Slide the synchronizer sleeve off the synchronizer hub.
    Fig 1: Disassembling Synchronizer - 5th/Overdrive Gear
    GM789422Courtesy of GENERAL MOTORS CORP.
  4. Remove the 3 springs and the 3 inserts.