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TRANSFER CASE CLUNK DURING ACCELERATION AND DECELERATION High/low planetary carrier The planetary gears loose in the planetary carrier The input shaft for missing thrust washers or Excessively worn high/low clutch engagement teeth Refer to High/Low Planetary Carrier Cleaning 2. Replace the high/low planetary if any of the above conditions are found. Refer to Transfer Case High/low internal gear 1. Inspect the high/low internal gear to front case fit for any looseness. 2. Replace the front case half if the high/low internal gear is loose. Refer to Transfer Case Disassemble and High/low clutch 1. Inspect the high/low clutch engagement teeth for excessive wear. 2. Inspect the high/low clutch to rear output shaft splines for excessive wear. 3. Replace the high/low clutch if faulty. Refer to Transfer Case Disassemble and Transfer Case Assemble. Cause Correction DEFINITION: During acceleration or deceleration, a clunk is heard or felt in the transfer Incorrect fluid level or 1. Inspect the transfer case for the correct fluid level. 2. Inspect the transfer case for the correct type of fluid. Refer to Approximate Fluid Capacities . 3. Flush the transfer case and fill with the correct fluid, if required. Refer to Transfer Case Fluid Replacement. 1. Inspect for the following conditions:
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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