309 Copyright by Goodheart-Willcox Co., Inc. Technical Terms Chapter 13 Troubleshooting Mechanical, Hydraulic, and Electrical Problems abnormal noise air pressure tests automatic shift diagram band and clutch application chart diagnostic charts hydraulic circuit diagrams hydraulic pressure test lubricant leakage no-drive condition noise, vibration, and harshness (NVH) oil pressure diagrams overheating road test root cause shift points shift problems slippage stall test stick diagrams After studying this chapter, you will be able to: • Describe typical automatic transmission and transaxle mechanical and hydraulic problems. • State possible causes of transmission and transaxle problems. • Identify logical troubleshooting procedures. • Describe typical diagnostic charts. • Name diagnostic tests used for troubleshooting. • Explain how a road test should be conducted. • Explain how to perform a stall test and discuss the signifi cance of the results. • Explain how air and hydraulic pressure tests are performed and discuss their usefulness. • Discuss the use of hydraulic circuit diagrams to analyze automatic transmission and transaxle problems.