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REAR AXLE - Differential Carrier <Vehicles with mechanical LSD> 27B-53 INSPECTION DIFFERENTIAL CASE INTERNAL PARTS CONTACT/ SLIDING SURFACE CHECK them with compressed air. 2. Check each plate, disc, and pressure ring for the following: A. Friction and sliding surfaces of friction discs, friction plates, and spring plates. Replace a defective part with heat discoloration and excessive wear with a new one, as it degrades locking performance. If the inner periphery of the friction face shows traces of harsh contact, it is because of the spring tension of each plate, disc and other part. Do not confuse this with abnormal wear. B. Inner periphery and outer periphery protrusions of friction discs, friction plates, and spring plates. Replace a cracked or damaged part with a new one. C. Friction and sliding surfaces between pressure rings and friction discs. Grind a dented or scratched part with oil stone and then lap and correct with a compound on a surface plate. If the inner periphery of the friction face shows traces of harsh contact, it is because of the spring tension of each plate, disc and other part. Do not confuse this with abnormal wear. 3. Check the following parts for contact and siding surfaces (D to M) and correct burrs and dents with oil stone. D: Sliding surfaces of side gear and case E: Contacting surfaces of differential case and spring plate F: Contacting surfaces of pressure ring and differential case inner face G: Sliding surfaces of pressure ring hole and side gear H: Protrusions on outer periphery of pressure ring I: Pressure ring inner surface and differential pinion gear spherical surface J: Pressure ring V-groove and pinion shaft V K: Sliding surfaces of pinion shaft and differential pinion gear hole L: Side gear grooves on outer periphery M: Slits in inner periphery of differential Friction disc A A B C B Friction plate Friction plate Pressure ring E D M F J I H D G F D K K I G L J E |