In this issue:

Subaru 4EAT Diagnosis and Service

Changing the engine oil would seem to be such a simple procedure. Yet a mistake can yield catastrophic results. The transmission in [this article] was being replaced due to a differential failure, caused by an operator error. The differential fluid had been drained during an oil service, rather than the engine oil. The drained fluid was not replaced, and a few hundred miles later, the differential was destroyed.

Subaru 4EAT Transmission Operation

This article provides an overview of the new 4EAT design, including its components and transmission powerflow.

Insider Info:

• 4EAT Remanufactured Transaxles
• 1999 4EAT Transmission Operation
• All Subaru Models With Stepped and Flat Flywheels
• All Subaru Rear Differentials
• Correct Axle Ratios
• Grease Leaking From Inner Axle Joints
• Manual Transmission Case Boss Wearing
• Noise From Rear Axle Oil Seal — Legacy Models
• Part Changes
• Popping Out Of Fifth Gear
• Rear Differential Modifications
• Rear Differential Vent Oil Leakage
• Replacing AWD Rear Wheel Bearings on Legacy, Impreza and SVX
• Shifter Rattle
• Variable Torque Distribution (VTD)