Which procedure involves measuring countershaft gear clearance?

The procedure that involves measuring countershaft gear clearance is related to the installation of the countershaft with tapered roller bearings. When installing a countershaft, it is crucial to ensure that the clearance between the countershaft gear and the gear it meshes with is precise. This clearance impacts the performance and longevity of the transmission as insufficient or excessive clearance can lead to gear wear, increased friction, and potential failure of the transmission components.

Tapered roller bearings are designed to handle both radial and axial loads, making them suitable for applications where precise alignment and clearance measurements are essential. During this installation procedure, the technician typically measures the gear clearance to ensure that it falls within the manufacturer's specified tolerance. This careful attention to detail ensures that the gears mesh properly, contributing to smooth operation and reliability of the vehicle's drivetrain.

Other options do not specifically revolve around measuring gear clearance related to the installation of the countershaft. Options like setting a clutch brake and timing an auxiliary drive gear focus on different aspects of vehicle mechanics, while adjusting rolling torque involves different parameters unrelated to direct measurements of countershaft gear clearance.