Camshaft, Balancer Shafts and Timing Gear Train/Idler Gears and front plate CTM3274 (01JUL99) 20-20 Saran Liter Engines 060799 PN=143 IDLER GEAR BUSHING REPLACEMENT NOTE: Bushing for spur upper idler gear is not available separately. Install a new idler gear/bushing assembly. -UN-07MAR95 1. Press worn idler gear bushing out of gear. IMPORTANT: The upper and lower idler gears require different bushings. CD7161 UPPER IDLER GEAR: Being pressure lubricated, this gear is specified with a smooth-bore bushing. LOWER IDLER GEAR: Being splash lubricated, this gear is specified with a lube-groove fitted bushing. 2.
Press in new bushing with JD-252 Driver and JDG537 Handle so that it is flush with one side of the gear. CD,3274,G20,23 -19-01FEB94 20 20 REMOVE IDLER SHAFT Remove upper or lower idler shaft by driving shaft out of the front plate. Remove thrust washer. -UN-04MAY98 CD30599 CD,CTM125,119 -19-01DEC97