ENGINETNV DI Service Manual 6-9Cylinder Head SpecificationsPush RodRocker Arm and ShaftValve Stem Seal Projection From Cylinder HeadSeeReassemblyof Intake andExhaustValves onpage 6-45.2 Valves3TNV82A 0.618 - 0.629 in.(15.7 - 16.0 mm) -4TNV840.736 - 0.748 in.(18.7 - 19.0 mm)-3TNV84 (T) -4TNV88 -4 Valves4TNV84T 0.389 - 0.401 in.(9.9 - 10.2 mm) -4TNV94L 0.460 - 0.472 in.(11.7 - 12.0 mm)-4TNV98 (T) -4TNV106 (T) 0.606 - 0.614 in.(15.4 - 15.6 mm) -Inspection Item Standard Limit ReferencePageInspection Item Standard Limit ReferencePagePush Rod Bend - All Models Less than0.0012 in. (0.03 mm)0.0012 in.(0.03 mm)See PushRod Bend onpage 6-41and 6-56.Model Inspection Item Standard Limit ReferencePage3TNV82A, 3TNV84,3TNV84T, 3TNV88,4TNV84, 4TNV84T,4TNV88Arm Shaft Hole Diameter 0.6299 - 0.6307 in.(16.000 - 16.020 mm)0.6327 in.(16.07 mm)SeeInspection ofRocker ArmAssembly onpage 6-41and 6-56.Shaft Outside Diameter 0.6286 - 0.6293 in.(15.966 - 15.984 mm)0.6276 in.(15.94 mm)Oil Clearance 0.0006 - 0.0021 in.(0.016 - 0.054 mm)0.0051 in.(0.13 mm)4TNV94L, 4TNV98,4TNV98T, 4TNV106,4TNV106TArm Shaft Hole Diameter 0.7283 - 0.7291 in.(18.500 - 18.520 mm)0.7311 in.(18.57 mm)Shaft Outside Diameter 0.7272 - 0.7280 in.(18.470 - 18.490 mm)0.7260 in.(18.44 mm)Oil Clearance 0.0004 - 0.0020 in.(0.010 - 0.050 mm)0.0051 in.(0.13 mm)