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Home >> Isuzu >> 1994 >> Trooper S, Standard >> Repair and Diagnosis >> Transmission >> Manual Trans >> Overhaul - MUA Series 5-Speed >> Component Disassembly & Reassembly >> MAINSHAFT Assembly >> Reassembly

MAINSHAFT Assembly: Reassembly

  1. Apply oil to needle bearing and 2nd gear thrust surfaces and install onto mainshaft. Ensure 2nd gear dog teeth face rear of shaft. Install 2nd block ring and 1st-2nd synchronizer assembly. Ensure synchronizer hub with heavy boss faces 2nd gear. Select and install snap ring to provide minimum clearance between 1st-2nd synchronizer hub and snap ring. See MAINSHAFT SELECTIVE SNAP RINGS  table.
    MAINSHAFT SELECTIVE SNAP RINGS

    Color Thickness - In. (mm)
    White .071 (1.80)
    Yellow .073 (1.85)
    Blue .075 (1.90)
  2. Apply oil to needle bearing and 1st gear thrust surfaces. Install 1st block ring, needle bearing and 1st gear. Ensure 1st gear dog teeth face front of shaft. Install 1st gear thrust bearing. Apply oil to ball bearing and mainshaft. Press on ball bearing using Installer (J613301) until bearing meets snap ring groove. Install needle bearing collar.
  3. Apply oil to needle bearing and 3rd gear thrust surfaces. Install needle bearing and 3rd gear. Ensure 3rd gear dog teeth face front of shaft. Install 3rd block ring and 3rd-4th synchronizer assembly. Ensure synchronizer hub with heavy boss faces 3rd gear. Select and install mainshaft snap ring to provide minimum clearance between 3rd-4th synchronizer hub and snap ring. See MAINSHAFT SELECTIVE SNAP RINGS  table. Install needle bearing.
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