To determine if defective coolant hoses is causing high engine coolant temperature, perform the following: 1. Visually examine cooling system hoses; refer to OEM guidelines.…

To determine if a faulty pressure control cap is causing high engine coolant temperature, perform the following: 1. Perform coolant pressure control cap tests; refer…

To determine if insufficient radiator air circulation is causing high engine coolant temperature, perform the following: 1. Visually examine the radiator and radiator shrouding. 2.…

To determine if improper engine coolant level is causing high engine coolant temperature, perform the following: 1. Visually inspect the radiator coolant level; refer to…

The chassis dynamometer is a device for applying specific loads to a vehicle to determine if the vehicle will perform to published specifications and to…

To determine if incorrect camshaft timing is causing lack of power, perform the following steps: Check the camshaft timing; if the dial indicator reading is…

To determine if high altitude operation is causing lack of power: 1. Examine the altitude performance curve, see Figure 12-4. 2. Based on the altitude…

To determine if high inlet air temperature is causing lack of power, perform the following: 1. Test the radiator fan, fan drive, or fan shroud…

To determine if a faulty exhaust system is causing lack of power, perform the following steps: 1. Monitor the exhaust pressure using DDDL 7.0. Connect…

To determine if a restricted or cracked charge air cooler or leaking manifold is causing lack of power, perform the following steps: 1. Attach air-to-air…