Remove the timing gearcase cover. (See Timing Gearcase Cover Removal And Installation on Page 70-100-7.)
Remove the snap ring (Item 3) from the idler gear shaft (Item 1) [Figure 70-100-31].
Installation: Make sure the timing marks are in correct alignment when installing timing gears. See circled areas in [Figure 70-100-31].
Remove the idler gear (Item 1) [Figure 70-100-32].
Remove the idler gear collar (Item 2) [Figure 70-100-32].
Remove the idler gear shaft mounting bolts.
Installation: Tighten the mounting bolts to 17-20 ft.-lbs. (23-27 Nm) torque.
Align the holes on the camshaft gear with the camshaft retainer plate bolts.
Remove the bolts.
Installation: Tighten the camshaft retainer bolts to 17-20 ft.-lbs. (23-27 Nm) torque.
Remove the camshaft from the engine block [Figure 70-100-33].
Installation: Check the camshaft end play, if the clearance exceeds the allowable limit, replace the camshaft retainer plate [Figure 70-100-34].
