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On this engine, I recommend that the marks be painted (preferably with different paint colors) to more easily reference the proper marks and locations (see Photo 3), with the hard-to-see marks on the number 4 timing cover (inner timing belt cover, see Photos 4a and 4b). Note the location of the camshaft timing marks at this point. The main camshaft timing marks are 30° counterclockwise from the sub-timing marks. The main crankshaft timing mark is 60° counterclockwise from the sub-timing mark. There are two marks on the crankshaft pulley and two marks on each of the camshaft sprockets. Remove or loosen the brackets for the external accessories (alternator, power steering pump and A/C compressor) as needed to allow removal of the lower front engine cover.ĭepending on the year, model and body type, some accessories and their brackets are removed or can be left in place to save repair time. The serpentine belt tensioner may turn either direction depending on model, and the pulley mounting bolt will have threads of one direction or the other, depending on the adjusting rotation of the tensioner. (On SC 300 models, the battery and battery box will also need to be removed.) Without removal of the radiator and shroud, space to remove the crankshaft pulley bolt is pretty much non-existent.
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To prevent the possibility of damage, I would recommend removing the radiator and fan just to provide more working space (see Photo 1). The various models and yearly changes to this series of cars make an initial inspection worthwhile after checking a repair information source. Drain the coolant and remove the fan shrouds. The job is easier if it is on a hoist and the lower engine covers are removed. The VVT-i version also featured a distributorless ignition system (DIS) in favor of the traditional distributor set-up previously seen on the 2JZ-GE design.īecause of the interference possibilities, I suggest removing the ignition key and hiding it so the engine does not get cranked by mistake while the belt is off. The engine utilizes Sequential Electronic Fuel Injection, has an aluminum head and four valves per cylinder, with some versions using VVT-i, along with a cast iron cylinder block. The 2JZ-GE provided output rated at 220 hp at 5,800 to 6,000 rpm and 209 to 220 ft.-lbs. So when should you recommend the timing belt replacement?
2jz ge vvti timing belt install manual#
Depending on which tech manual or tech assistance site you access, you can get widely varying mileage and time suggestions. Recommended replacement intervals for timing belts are all over the map these days. There are also differences between models on this platform that can impact the way certain components are removed. For these reasons, I would recommend that you read through this article and the service manual description for this job very carefully before starting this repair.