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DIAGNOSIS AND TESTING NV247 DIAGNOSIS CONDITION POSSIBLE CAUSE CORRECTION TRANSFER CASE DIFFICULT TO 1. Vehicle speed too great to permit 1. Reduce speed to 3-4 km/h (2-3 2. Transfer case external shift cable 2. Lubricate, repair or replace cable, 3. Insufficient or incorrect lubricant 3. Drain and refill to edge of fill hole 4. Internal components binding, 4. Disassemble unit and replace TRANSFER CASE NOISY IN ALL 1. Insufficient or incorrect lubricant 1. Drain and refill to edge of fill hole noise NOISY IN—OR JUMPS OUT OF 1. Transfer case not completely 1. Stop vehicle, shift transfer case 2. Shift linkage loose, binding, or is 2. Tighten, lubricate, or repair 3. Range fork cracked, inserts 3. Disassemble unit and repair as 4. Annulus gear or lockplate worn 4. Disassemble unit and repair as LUBRICANT LEAKING FROM 1. Transfer case over filled 1. Drain to correct level 2. Vent closed or restricted 2. Clear or replace vent if necessary 3. Output shaft seals damaged or 3. Replace seals. Be sure seal lip 21 - 310 NV247 TRANSFER CASE WJ |