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SHIFT FORKS/HUBS/SLEEVES Check condition of the shift forks and mode fork shift rail (Fig. 37). Minor nicks on the shift rail can Inspect the shift fork wear pads (Fig. 38). The mode and range fork pads are serviceable and can be Check both of the sleeves for wear or damage, especially on the interior teeth. Replace the sleeves if REAR RETAINER AND EXTENSION HOUSING Inspect the retainer components. Replace the bear- ing if rough or noisy. Check the retainer for cracks or surfaces with a scraper and 3M™ all purpose Inspect the retaining rings and washers. Replace any part if distorted, bent, or broken. Reuse is not Inspect the extension housing seal and bushing. Replace both components if either show any sign of FRONT OUTPUT SHAFT/FLANGE/DRIVE CHAIN Check condition of the seal contact surfaces on the companion flange slinger. This surface must be clean Inspect the shaft threads, sprocket teeth, and bear- ing surfaces. Minor nicks on the teeth can be Examine the drive chain and shaft bearings. Replace the chain and both sprockets if the chain is LOW RANGE ANNULUS GEAR Inspect annulus gear condition carefully. The gear is only serviced as part of the front case. If the gear Fig. 37 Shift Forks 1 - RANGE FORK Fig. 38 Shift Fork And Wear Pad Locations 1 - RANGE FORK Fig. 39 Low Range Annulus Gear 1 - FRONT CASE 21 - 580 TRANSFER CASE - NV244 AN TRANSFER CASE - NV244 (Continued) |