Camshaft, Balancer Shafts and Timing Gear Train/Specifications CTM3274 (01JUL99) 20-4 Saran Liter Engines 060799 PN=127 SPECIFICATIONS DIMENSIONS OF NEW PARTS WEAR LIMIT Camshaft journal OD . . . . . . . . . . . . . . . . 55.872—55.898 mm (2.1997—2.2007 in.) 55.85 mm (2.199 in.) Camshaft bore to journal clearance . . . . . . 0.10—0.15 mm (0.004—0.006 in.) 0.18 mm (0.007 in.) Camshaft end play . . . . . . . . . . . . . . . . . 0.08—0.23 mm (0.003—0.009 in.) 0.38 mm (0.015 in.) Camshaft thrust plate thickness . . . . . . . . . 3.935—3.985 mm (0.155—0.157 in.) 3.8 mm (0.15 in.) Cam follower OD . . . . . . . . . . . . . . . . . . 31.62—31.64 mm (1.245—1.246 in.) Cam follower to bore clearance .
. . . . . . . . 0.06—0.13 mm (0.002—0.005 in.) Camshaft lobe height: • Intake lobe . . . . . . . . . . . . . . . . . . . . . 6.93—7.42 mm (0.273—0.292 in.) 6.68 mm (0.263 in.) • Exhaust lobe . . . . . . . . . . . . . . . . . . . 6.76—7.26 mm (0.266—0.286 in.) 6.50 mm (0.256 in.) Balancer shaft journal OD . . . . . . . . . . . . 38.135—38.161 mm (1.5014—1.5024 in.) Balancer shaft bushing ID (installed) . . . . . 38.185—38.235 mm (1.5033—1.5053 in.) Bushing to journal clearance . . . . . . . . . . 0.024—0.100 mm (0.001—0.004 in.) 0.15 mm (0.006 in.) Balancer shaft thrust plate thickness . . . . . 2.975—3.025 mm (0.117—0.119 in.) Balancer shaft end play . . . . . . . . . . . . . .
0.05—0.26 mm (0.002—0.010 in.) 0.38 mm (0.015 in.) Helical timing gear backlash between: • Upper idler/crankshaft gear . . . . . . . . . . . 0.07—0.30 mm (0.003—0.012 in.) 0.40 mm (0.016 in.) • Upper idler/camshaft gear . . . . . . . . . . . 0.07—0.35 mm (0.003—0.014 in.) 0.51 mm (0.020 in.) • Upper idler/injection pump gear . . . . . . . . 0.07—0.35 mm (0.003—0.014 in.) 0.51 mm (0.020 in.) • Lower idler/crankshaft gear . . . . . . . . . . . 0.07—0.35 mm (0.003—0.014 in.) 0.51 mm (0.020 in.) • Lower idler/oil pump gear . . . . . . . . . . . . 0.04—0.38 mm (0.0016—0.015 in.) 0.40 mm (0.016 in.) • Lower idler/balancer shaft gear . . . . . . . .
0.05—0.40 mm (0.002—0.016 in.) 0.51 mm (0.020 in.) • Oil pump/balancer shaft gear . . . . . . . . . 0.05—0.36 mm (0.002—0.014 in.) 0.51 mm (0.020 in.) (Continued on next page) CD,3274,G20,1 -19-01FEB94 20 4