1az Fse Engine Toyota Repair Manual !link!

For a proper repair of the Toyota 1AZ-FSE (D-4) engine, you should reference the official factory manual,

2. Aftermarket Printed Manuals (Haynes / Chilton)

: Use a plastic hammer for disassembly; do not pry aluminum contact surfaces with a screwdriver, as scratches will lead to oil leaks or seizure. Chemical Precautions 1az fse engine toyota repair manual

It is possible that "proper feature" is a typo for "proper specifications" or "principal features." For a proper repair of the Toyota 1AZ-FSE

Conclusion