V6 engine specifications General information Engine designation - 1MZ FE and 3MZ FE Engine capacity 1MZ-FE - 3.0 L 3MZ-FE - 3.3 L Cylinder numbering (in the direction from the timing belt to the gearbox) Right (closer to the barrier) side -...
General information about the V6 engine The models described in this manual are equipped with a V-shaped 6-cylinder (V6) 1MZ-FE engine with a displacement of 3.0 liters or 3MZ-FE engine, which is actually the same as the 1MZ-FE engine, but has a larger...
Repair operations performed without removing the engine from the vehicle Many overhaul operations can be performed without removing the engine from the vehicle. Before starting work, clean the engine compartment and the outside of the engine with a suitable degreaser. This will make the job...
Top dead center (TDC) for piston #1 — definition 1. Top dead center (TDC) - this is the highest point in the cylinder that each piston reaches during reciprocating movement in the cylinder when the crankshaft is spliced. Each piston reaches TDC twice per cycle: once...
Cylinder head covers — removal and installation Removing 1. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 2. Remove the cover (And) engine (pic. 4.2, a, b). Ryas. 4.2, a. To remove the engine cover, remove the oil filler cap, then...
Intake manifold — removal and installation Attention! Wait until the engine has completely cooled down before starting this procedure. Removing 1. Depressurize the fuel system ( see chapter 4 ), then disconnect the ground wire from the battery ( see paragraph 1...
Timing belt and toothed pulleys — removal 1. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 2. On Highlander 2004 and later and all Lexus models, remove the bonnet top/air box deflector ( see chapter 11 ). 3. On Highlander 2004...
Timing belt and toothed pulleys — inspection 27. Check the timing belt for oil or dirt on its surface and inspect for visible defects: cracks or missing teeth. If the belt is cracked or worn, also check the pulleys for nicks or other irregularities. One-sided belt...
Timing Belt and Timing Pulleys — Installation 32. Thoroughly remove dirt, oil and grease from the timing belt area on the front of the engine. 33. Install the toothed pulley (s) on the camshaft (s) (if he (And) was filmed), turning it with the flange side out....
Variable gas distribution system (VVT) — description Application. The following procedures apply to the oil control valve, oil filter, or intake camshaft sprocket/actuator on any of the cylinder heads. 1. The WT system changes the intake camshaft angle to advance or...
Variable gas distribution system (VVT) — replacement of elements Note. Problems in the VVT oil control valve electrical circuit cause a DTC to be generated and a warning lamp to illuminate on the instrument panel «Check engine» (check engine). See Chapter B for information on fault...
Cuffs — replacement Crankshaft seal 1. Remove the timing belt and crankshaft sprocket ( see paragraph 7 ). 2. Mark for yourself how far the cuff is inserted into the mounting hole, and then cut off the edge of the cuff with a sharp knife....
Camshafts and tappets — removal and inspection Application. Before starting this procedure, prepare two M6 x 1.0 mm bolts with a length of 16 to 20 mm. They are referred to in the text as technology bolts. Removing 1. Set the engine to TDC (see paragraph 3), then...
Camshafts and tappets — installation 16. Assemble the gear (And) exhaust camshaft by installing the camshaft gear spring, sub gear, bent washer and circlip. 17. Clamp the camshaft in a vice with soft jaws. 18. Insert a technological bolt into a...
Cylinder heads — removal and installation Attention! Wait until the engine has completely cooled down before starting this procedure. Removing 1. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 2. Drain the coolant from the cooling...
Oil pan — removal and installation Removing 1. Remove the hood ( see chapter 11 ). 2. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 3. Raise the vehicle and place secure supports under it. Attention! If the vehicle is...
Oil pump — removal, inspection and installation Removing 1. Remove the oil pan ( see paragraph 12 ). 2. Remove the timing belt ( see paragraph 7 ). 3. Remove the crankshaft sprocket ( see paragraph 7 ) and crankshaft position sensor (see chapter). Place a jack under...
Faceplate — removal and installation For a description of this procedure, see chapter 2A , but use the tightening torques given in Specifications at the beginning of this chapter. On V6 engines, two spacers are used to mount the faceplate, one between the...
Rear Main Cuff — Replacement For a description of this procedure, see chapter 2A , but keep in mind that the V6 engine does not have a gasket between the cuff housing and the cylinder block. Instead, apply an anaerobic sealant to the housing flange...
Power unit supports — check and replace Talk to chapter 2A , but be aware that the V6 engine mounts are slightly different in design. But this does not significantly affect the inspection and replacement procedures (pic. 16.1, in-e). Pic. 16.1, a. First,...