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Condition Possible Cause Correction Transfer case noisy while in, or 1) Transfer case not completely 1) With the transmission in neutral, 2) Transfer case shift linkage out of 2) Adjust linkage as necessary. 3) Transfer case shift linkage loose 3) Repair, replace, or tighten linkage 4) Range fork damaged, inserts 4) Repair or replace components as 5) Low range gear worn or 5) Repair or replace components as Lubricant leaking from transfer case 1) Transfer case overfilled. 1) Drain lubricant to the correct 2) Transfer case vent closed or 2) Clean or replace vent as 3) Transfer case seals damaged or 3) Replace suspect seal. Abnormal tire wear. 1) Extended operation in 4HI 1) Operate vehicle in 2H mode on REMOVAL AND INSTALLATION TRANSFER CASE REMOVAL (1) Shift transfer case into 2WD. ment reference. (5) Support transmission with jack stand. equipped. (7) Disconnect front and rear propeller shafts at transfer case. (8) Disconnect transfer case linkage rod from range lever. (9) Disconnect transfer case vent hose (Fig. 3) and indicator switch harness, if necessary. (10) Support transfer case with transmission jack. mission. (13) Pull transfer case and jack rearward to disen- gage transfer case. (14) Remove transfer case from under vehicle. INSTALLATION (1) Mount transfer case on a transmission jack. and install transfer case on transmission. Fig. 3 Transfer Case Mounting–Typical 1 – MOUNTING STUDS 21 - 418 NV231 TRANSFER CASE DN DIAGNOSIS AND TESTING (Continued) |