Subaru 4EAT Transmission Repair Manual
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About this item
The Subaru 4EAT (Four-Speed Electronic Automatic Transmission) is a highly advanced transmission system designed and manufactured by Subaru for their vehicles. The 4EAT transmission is renowned for its smooth shifting, durability, and reliability. However, like any complex mechanical component, it may occasionally require repairs and maintenance. The Subaru 4EAT Transmission Repair Manual is a comprehensive guide that provides detailed instructions, diagrams, and troubleshooting procedures for diagnosing, repairing, and maintaining the 4EAT transmission.
Chapter 1: Introduction to the Subaru 4EAT Transmission
This chapter provides an overview of the 4EAT transmission, its components, and the principles behind its operation. It introduces the reader to the various subsystems, sensors, and hydraulic controls that make up the transmission, giving them a solid foundation of understanding before delving into the repair procedures.
Chapter 2: Transmission Inspection and Diagnostics
This chapter focuses on diagnosing common transmission issues and identifying potential problems. It covers a range of diagnostic techniques, including reading trouble codes, conducting fluid level checks, and performing thorough inspections of the transmission components. The manual provides step-by-step instructions and illustrations to aid in the diagnosis process.
Chapter 3: Disassembly and Assembly Procedures
In this chapter, the manual guides technicians through the process of disassembling and reassembling the Subaru 4EAT transmission. It provides detailed instructions, diagrams, and torque specifications for removing and installing transmission components, including the valve body, clutch packs, bands, and seals. Special tools and techniques are highlighted to ensure a smooth disassembly and assembly process.
Chapter 4: Transmission Repair and Component Replacement
This chapter provides comprehensive repair instructions for specific transmission components. It covers common repair tasks such as replacing clutch packs, bands, solenoids, seals, and gaskets. The manual includes detailed illustrations and step-by-step procedures to ensure accuracy and minimize errors during the repair process.
Chapter 5: Transmission Adjustments and Calibration
This chapter focuses on transmission adjustments and calibration procedures to optimize the performance and shifting characteristics of the 4EAT transmission. It covers procedures for adjusting the shift linkage, throttle position sensor, and transmission control module, ensuring proper operation and smooth shifting.
Chapter 6: Maintenance and Fluid Replacement
Proper maintenance is crucial for the longevity and performance of the 4EAT transmission. This chapter provides guidelines and schedules for routine maintenance tasks, including fluid replacement, filter changes, and inspections. It emphasizes the importance of using genuine Subaru transmission fluid and provides instructions for correctly servicing the transmission.
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