Remove the timing gearcase cover. (See Timing Gearcase Cover Removal And Installation on Page 70-100-1.)
Remove the snap ring (Item 1) and collar from the idler gear shaft (Item 2) [Figure 70-100-11].
Installation: Make sure the timing marks are in correct alignment when installing the timing gears [Figure 70-100-11].
Remove the idler gear (Item 1) [Figure 70-100-12].
Installation: Check the idler gear end play. If the clearance exceeds the allowable limit, replace the gear collar.
Align the holes (Item 1) on the camshaft gear with the camshaft retainer plate bolts (Item 2) [Figure 70-100-13].
Remove the bolts.
Installation: Tighten the camshaft retainer bolts to 18 – 20 ft.-lb. (24 – 27 N•m) torque.
Remove the camshaft from the engine block.
Installation: Check the camshaft end play. If clearance exceeds the allowable limit, replace the camshaft retainer plate [Figure 70-100-14].
