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Transfer Case - Bw 4476/79: Other Cadillac STS I

Transfer Case

Sealers, Adhesives, and Lubricants

ApplicationType of MaterialGM Part Number
United StatesCanada
Chain Snubber BoltsThreadlocker1234538210953489
Drain PlugPipe Sealant1234600410953480
Fill PlugPipe Sealant1234600410953480
Front Output Shaft Cup PlugThreadlocker1234538210953489
Input Shaft Inside Diameter (ID)Lubricant1051344993037
Rear Case Half-to-Front Case HalfRTV Sealant1234573910953541
Thrust WasherTransjel LubricantJ 36850J 36850
Transfer Case FluidDEXRON®III1237847010952622
Vent Baffle BoltsThreadlocker1234538210953489

Sealers, Adhesives, and Lubricants

Transfer Case Shudder or Binding

CauseCorrection
DEFINITION: A shudder, binding, or a crop-hop while turning, which may cause tire scuffing. Review the Symptoms - Transfer Case and perform the necessary inspections.
Planetary differentialInspect the planetary differential pinion gears for the following conditions: Chipped, bent or deformed teeth Pinion gear bushings worn Pinion gear thrust washers missing Seized or binding pinion gears Refer to CLEANING AND INSPECTION in Transfer Case - Overhaul - BW 4476/79 - STS. Inspect the planetary differential for deformation. Refer to CLEANING AND INSPECTION in Transfer Case - Overhaul - BW 4476/79 - STS. Replace the planetary differential assembly if faulty. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in Transfer Case - Overhaul - BW 4476/79 - STS.
Thrust washerInspect the thrust washer for seizure to the planetary differential. Replace the thrust washer if faulty and the mating component if damaged. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in Transfer Case - Overhaul - BW 4476/79 - STS.
Planetary differential not timed properlyInspect the planetary differential for being timed properly. Refer to TRANSFER CASE ASSEMBLE in Transfer Case - Overhaul - BW 4476/79 - STS. Properly time the planetary differential gears. Refer to TRANSFER CASE ASSEMBLE in Transfer Case - Overhaul - BW 4476/79 - STS.

Transfer Case Shudder or Binding

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