What kind of timing system does Toyota 2AZ have?
The engine has aluminum DOHC 16-valve cylinder head with variable valve timing system VVTi on the intake camshaft only. The 2AZ uses a timing chain to rotate camshafts. There are no hydraulic lifters. The adjustment of valve clearance is required every 60,000 miles (100,000 km).
Is the Toyota 2.4L 2AZ-FE / FSE reliable?
If it is damaged, you have to replace it with new or used in good condition. Some other problems are similar to 1AZ-FE. That is not surprising, considering the fact that they are almost the same. Without those disadvantages listed at the top, the engine is quite reliable and can run up to 180-200k miles.
When to change valve clearance on Toyota 2.4L?
The adjustment of valve clearance is required every 60,000 miles (100,000 km). These two engines are almost identical expect the displacement. In 2008 the engine was redesigned. 2008+ engine produces more power and torque. The compression ratio rose up from 9.6:1 to 9.8:1. The engine got new camshafts rising red line to 6,500 rpm.
How much horsepower does a Toyota 2.4L have?
The engine is rated at 147 hp (108 kW) at 6000 rpm with 138 lb ft (187 N m) of torque at 4400 rpm.
Are there any problems with the Toyota 2AZ-FE engine?
2AZ-FE Engine Problems and Reliability 1. This engine consumes oil quiet significant due to the wrong piston rings design for North American Toyota models. Oil consumption usually starts after 45-50k miles.
What kind of valve cover does a Toyota 2AZ-FE use?
Valve diameters are 34.0 mm (1.3 in) for intake and 29.5 mm (1.2 in) for exhaust. The shimless type valve lifter is used. The engine is equipped with lightweight magnesium alloy diecast cylinder head cover. The cylinder head cover gasket and the spark plug gasket is integrated to reduce the number of parts.
What’s the compression ratio of a Toyota 2AZ Fe?
The 2AZ-FE engine is also equipped with “Electronic Spark Advance” (ESA) system, which selected optimal ignition timing in accordance with inputs from sensors. Cylinder bore and piston stroke are 88.5 mm (3.48 in) and 96.0 mm (3.78 in), respectively. Compression ratio rating is 9.6:1, later version has 9.8:1.