
Toyota 2AZ engine modifications and differencesġ. In 2008 Toyota company introduced a successor of the 2AZ. Valve clearances are of the following sizes: 0.19 – 0.29 mm for inlet valves and 0.30 – 0.40mm for outlet valves. It results in regularly adjusting the valves each 60,000 miles (100,000 km) of mileage. The engine is very much similar to the 1AZ having a VVTi on the intake camshaft, electronic throttle body, timing chain, and possessing no hydraulic lifters. In the engine’s crankcase, there are two balancing shafts for decreasing vibrations and smooth motor work. Besides, the 2AZ cylinders were enlarged to 88.5 mm in diameter. The cylinder block was modified to fit the crankcase with 96 mm piston stroke.

The 2AZ sort of engine was introduced in 2000 and replaced the Toyota 5S 2.2-liter engine. Toyota 2AZ-FE/FSE/FXE engine reliability, problems and repair Normal engine operating temperature, ☌ (F) Toyota Motor Manufacturing Kentucky, Inc.
