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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MHU MQC) - Repair Instructions - On Vehicle (1 Of 2) >> Repair Instructions - On Vehicle >> Propeller Shaft Transmission Flange Fluid Seal Replacement (F48 & NP0) >> Installation Procedure

Installation Procedure

  1. GM4738752Courtesy of GENERAL MOTORS COMPANY

    Using the J-38869  Seal Installer (1), install a NEW propeller shaft transmission flange fluid seal (2).

  2. GM5595505Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Case Extension Seal (3) - Install NEW

  3. Lubricate the inner diameter of the transmission output shaft seal with NEW transmission fluid prior to installing the automatic transmission case extension. Adhesives, Fluids, Lubricants, and Sealers
  4. Automatic Transmission Case Extension (2) - Install
  5. CAUTION:

    Refer to Fastener Caution .

  6. Automatic Transmission Case Extension Bolt (1) - Install and tighten in sequence [6x] - Fastener Specifications
  7. GM5590452Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount (2) - Install

  8. Transmission Mount Bolt (1) - Install and tighten [2x] - Fastener Specifications
  9. Transfer Case Assembly - Install - Transfer Case Assembly Replacement (L84/L87 - F47) - NPO , or Transfer Case Assembly Replacement (LM2 - F47) - NPO , or Transfer Case Assembly Replacement (L84/L87 & F47) - NPO , or Transfer Case Assembly Replacement (LM2 & F47) - NPO
  10. If necessary, check the transmission fluid level and condition. Transmission Fluid Level and Condition Check