Camshaft, Balancer Shafts and Timing Gear Train/Idler Gears and front plate CTM3274 (01JUL99) 20-22 Saran Liter Engines 060799 PN=145 UPPER IDLER SHAFT INSTALLATION IMPORTANT: Oil bores in idler shaft must be properly indexed to provide adequate lubrication to idler gear bushing. -UN-06MAR95 • Engines with helical gears: 1. Install thrust washer (A) and upper idler shaft with oil hole oriented between 10 and 11 o’clock positions. CD30255 2. Press shaft into front plate until thrust washer is fully seated. Spring pin (B, if equipped) must be located in notch (C). • Engines with spur gears: IMPORTANT: Thrust washer ears (D) must not -UN-28OCT88 interfere with countersunk front plate screw.
If equipped with spring pin, press shaft with thrust washer into plate until thrust washer is fully seated. T88706 Otherwise proceed as follows: 1. Install shaft/thrust washer assembly into plate with ears (D) located to either side of front plate screw (E) and oil bores (F) oriented at 12 and 3 o’clock positions. 2. Press shaft until thrust washer is fully seated. -UN-26OCT92 NOTE: Shaft is secured to front plate when idler gear cap screw is threaded into cylinder block. A—Thrust washer B—Spring pin RG6459 C—Notch D—Thrust washer ears E—Front plate screw F—Oil bores CD,3274,G20,26 -19-01FEB94 20 22