You must begin the Fan Clutch replacement process by taking away the upper
Fan Shroud. Install the j 41240 (J 41240) Fan Clutch remover and installer to the Fan Clutch of vehicles that use 4.3l, 4.8l, 5.3l, 6.0l, or 8.1l engines. The j 41240-5a (J 41240-5A) Fan Clutch wrench should be used by vehicle owners who have 6.6l engines. Select the
Fan Blade then place it with the front side facing the workbench surface. Use the j 41240 (J 41240) Fan Clutch remover and installer to detach the Fan Clutch bolts on the rear side of fan blades for 4.3l, 4.8l, 5.3l, 6.0l engines. The 6.6l and 8.1l engines will require the same procedure. The Fan Blade requires installation of the j 41240 (J 41240) Fan Clutch remover and installer while the 6.6l engine uses the j 41240-5a (J 41240-5A) Fan Clutch wrench. Subsequent steps involve setting the Fan Blade on a workbench before separate the Fan Clutch from the Fan Blade. Installation begins with the 6.6l and 8.1l engine Fan Clutch bolt removal from the Fan Blade rear while 4.3l, 4.8l, 5.3l, and 6.0l with a vehicle equipped for either 6.6l or 8.1l engine installation the technician should remove Fan Clutch bolts positioned at the Fan Blade rear before applying these bolts during assembly. You will install the Fan Clutch onto the Fan Blade by using 23 nm (17 ft. Lbs.) torque when installing 4.3l, 4.8l, 5.3l, or 6.0l engine model Fan Clutch bolts. The application of j 41240-5a (J 41240-5A) accompanies Fan Clutch installation on 6.6l engines whereas j 41240 (J 41240) serves for Fan Clutch installation on 4.3l, 4.8l, 5.3l, 6.0l, or 8.1l engines followed by tightening the Fan Clutch nut to 56 nm (41 ft. Lbs.). The final step involves placing back the upper Fan Shroud.