Specifications of the four-cylinder engine General information Engine designation - 2AZ-FE Engine displacement - 2.36 l Cylinder numbering (in the direction from the drive belt to the gearbox) — 1-2-3-4 The order of operation of the cylinders is 1-3-4-2 Cylinder...
Four-cylinder engine — general information This part of the chapter focuses on repair procedures for the 2AZ-FE four-cylinder engine. Information related to the removal, installation and overhaul of the engine is given in parts in this chapter . The following...
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) is the highest point in the cylinder reached by each piston as it reciprocates in the cylinder as the crankshaft rotates. Each piston reaches TDC twice per cycle: once on the compression stroke...
Cylinder head cover — removal and installation Removing 1. Disconnect the ground wire from the battery ( see paragraph 1 chapter 5 ). 2. Remove the engine cover. 3. Disconnect the electrical connectors of the ignition coils, unscrew the nuts securing the wiring...
Timing chain and sprockets — removal Attention! Wait until the engine has completely cooled down before starting this procedure. Note. This procedure requires special tools. Before starting work, carefully read the contents of the procedure and prepare the...
Timing chain and sprockets — inspection 21. Visually inspect all components for wear and damage. Check the timing chain for loose roller axles, cracks, worn rollers and side plates. Check sprockets for hooked teeth, dents, and broken teeth. Also check the...
Timing chain and sprockets — installation 23. Remove all traces of old sealant from the timing chain cover and mating surfaces of the cylinder block and cylinder head. 24. Position the camshafts so that the dowel pins are at the top in position «12 hours», and...
Camshafts and tappets — removal Note. Before installing the camshafts, they should be carefully inspected, and before removing each of the shafts, its axial clearance should be checked (see item 13). Removing 1. Disconnect the ground wire from the...
Camshafts and tappets — inspection 13. Before removing the camshafts from the engine, check the axial clearance of each shaft by setting the dial indicator so that its plunger is located coaxially with the camshaft and is in contact with its end (pic....
Camshafts and tappets — installation 20. If the No. 1 bearing shells of the intake camshaft were removed or replaced, now install them in the cylinder head and bearing cap. Apply molybdenum grease to the lobes and camshaft journals and install the...
Intake manifold — removal and installation Attention! Wait until the engine has completely cooled down before starting this procedure. Removing 1. Relieve pressure in the fuel system ( see chapter 4 ). Disconnect the ground wire from the batteries ( see...
Cylinder head — removal and installation Attention! Wait until the engine has completely cooled down before starting this procedure. Removing 1. Relieve pressure in the fuel system ( see chapter 4 ), then disconnect the ground wire from the battery ( see...
Crankshaft pulley / damper — removal and installation 1. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 2. Remove the drive belt ( see chapter 1 ). Unscrew the bolts, remove the bracket from the jet thrust of the engine ( see paragraph 17 )....
Front crankshaft seal — replacement 1. Remove the pulley from the crankshaft ( see paragraph 11 ). 2. Pay attention to how the cuff is installed. A new one should be installed at the same depth and with the same side out. Gently pry and remove the cuff...
Oil pan — removal and installation Removing 1. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 2. Apply the parking brake and chock the rear wheels. 3. Raise the front of the car and place secure supports under it....
Oil pump — removal and installation Removing 1. Contact p.p. 1-18 paragraph 6 and remove the timing chain and crankshaft sprocket. 2. Remove the oil pump drive chain and sprockets: turn the engine 90° (¼ turn) counterclock-wise (from TDC position) so as...
Faceplate — removal and installation Removing 1. Disconnect the ground wire from the battery ( see paragraph 1 of chapter 5 ). 2. Remove the gearbox in the block with the drive axle ( see chapter 7 ). 3. Use a center punch or paint to mark the crankshaft...
Rear Main Cuff — Replacement 1. Remove the gearbox in the block with the drive axle ( see chapter 7 ). 2. Remove the faceplate ( see paragraph 15 ). 3. Remove the seal from the rear of the engine using an appropriate puller or screwdriver. Be...
Power unit supports — check and replace 1. Powertrain mounts rarely require attention, but broken, damaged, or worn mounts should be replaced immediately, as this can put extra stress on engine and transmission components and cause damage or wear. Examination...