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Transfer Case Fluid Replacement . Clean or properly route the vent hose. Replace the front case half if the seal bore is Replace the front output shaft seal. Refer to Front Leaking at the vent Transfer case overfilled 1. Inspect for the correct transfer case fluid level. Refer to Transfer Case Fluid Replacement . 2. Inspect the transmission fluid level. Refer to Transmission Fluid Check . 3. If the transmission fluid level is low, and the transfer case fluid level is too high, replace the 4. Inspect for the following conditions: Seal improperly installed, worn, or damaged Seal bore damaged or cracked Input shaft seal surface worn, grooved, or Seal the vent with the correct sealer if leaking at the case. Transfer case to adapter 1. Inspect for the following conditions: Loose mounting fasteners Gasket or sealant faulty The transfer case input shaft seal leaking 2. Repair or replace the following components if found faulty: Replace the transfer case input shaft seal. Refer to Inspect for the following: Seal improperly installed, worn, or damaged Seal bore damaged or cracked
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
REPAIR INSTRUCTIONS - ON VEHICLE TRANSFER CASE SHIELD REPLACEMENT Fig. 3: View Of Transfer Case Shields & Bolts Input shaft seal surface worn, grooved, or Repair or replace the loose fasteners. Refer to Replace the transfer case gasket or sealer. Refer to Front case half to rear case Disassemble and seal the case halves. Refer to Transfer Case Case leaking 1. Inspect for a cracked case or case porosity. 2. Replace the faulty case half. Refer to Transfer Case Disassemble and Transfer Case Assemble.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
TRANSFER CASE FLUID REPLACEMENT Removal Procedure Callout Component Name Preliminary Procedure: 1 Transfer Case Shield Bolt Tighten: 20 N.m (15 lb ft) NOTE: Refer to Fastener Notice . 2 Transfer Case Shield IMPORTANT: When performing the following procedure, use only hand tools to remove and install the drain and fill plugs.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 4: View Of Transfer Case Fill Plug 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle . 2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement. 3. Remove the fill plug.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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