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TRANSFER CASE LEAK DIAGNOSIS 2. Replace the high/low planetary carrier if any of the above conditions exist. Refer to Transfer Case Front output shaft drive 1. Inspect the drive sprocket for worn engagement teeth. Refer to Drive Chain, Drive Sprocket, and Driven 2. Replace the drive sprocket if faulty. Refer to Transfer Case Disassemble and Transfer Case Assemble. 2/4 wheel drive 1. Inspect the synchronizer sleeve for worn engagement teeth. Refer to Two/Four Wheel Drive Shift 2. Replace the synchronizer sleeve if faulty. Refer to Transfer Case Disassemble and Transfer Case Cause Correction DEFINITION: A visible indication of an external fluid leak from the transfer case. Drain plug or fill plug leak 1. Inspect for the correct sealer and the correct amount of sealer on the plugs. Refer to Sealers, Adhesives, and 2. Install the plugs correctly. Refer to Transfer Case Fluid Replacement. Access hole plugs leaking Replace the access hole plugs or seal with room temperature Vehicle speed sensor (VSS) 1. Remove the VSS. Refer to Vehicle Speed Sensor Replacement. 2. Inspect the VSS for the following conditions: Cross threaded Cut or damaged VSS O-ring seal VSS over tightened causing deformation in the VSS 3. Replace the VSS O-ring seal if faulty. 4. Replace the VSS if faulty.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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