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TRANSFER CASE CLUNK IN 2HI ONLY 2. Replace the apply plate and the transfer case components that are damaged from debris. Refer to Transfer Case Faulty control actuator lever 1. Inspect for faulty control actuator lever thrust bearings. Refer to Two/Four Wheel Drive Shift Components 2. Recondition the transfer case components that are damaged from debris. Refer to Transfer Case 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. Excessive clearance 1. Inspect for the following conditions: Worn slip yoke splines Worn rear output shaft splines 2. Repair or replace the following components if faulty: Replace the slip yoke, if required. Refer to One- Replace the rear output shaft, if required. Refer to Excessive clearance 1. Inspect for the following conditions: Worn rear bushing Worn slip yoke bushing journal 2. Repair or replace the following components if faulty:
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
TRANSFER CASE CLUNK IN 4HI between the slip yoke and Replace the slip yoke, if required. Refer to One- Replace the rear bushing if worn. Refer to Input shaft thrust washers 1. Inspect for worn or missing input shaft thrust washers. 2. Replace the thrust washers as required. Refer to Transfer Case Disassemble and Transfer Case Worn high speed teeth on 1. Inspect for worn high speed teeth on the high/low clutch. Refer to High/Low Shift Components Cleaning and 2. Replace the high/low clutch if worn. Refer to Transfer Case Disassemble and Transfer Case Assemble. Rear output shaft rear 1. Inspect for the following conditions: Properly installed rear output shaft rear bearing Excessive wear or damaged retaining ring groove in 2. Repair or replace the following components if found faulty. Properly install a new rear output shaft rear bearing Replace the rear case half if the retaining ring Refer to Transfer Case Disassemble and Cause Action DEFINITION: During acceleration or deceleration, a clunk is heard or felt in the transfer
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
TRANSFER CASE CLUNK IN 4LO Incorrect fluid level or Inspect the transfer case for the correct fluid level. Inspect the transfer case for the correct type of fluid. Flush the transfer case and fill with the correct fluid, if Input shaft thrust washers 1. Inspect for worn or missing input shaft thrust washers. 2. Replace the thrust washers as required. Refer to Transfer Case Disassemble and Transfer Case Rear output shaft rear 1. Inspect for the following conditions: Properly installed rear output shaft rear bearing Excessive wear or damaged retaining ring groove in 2. Repair or replace the following components if found faulty: Properly install a new rear output shaft rear bearing Replace the rear case half if the retaining ring Worn high speed teeth on 1. Inspect for worn high speed teeth on the high/low clutch. Refer to High/Low Shift Components Cleaning and 2. Replace the high/low clutch if worn. 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 1. Inspect for the following conditions: Excessively worn planetary gears
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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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