Camshaft (RH Bank) (3MZ-FE): Replacement
- DISCONNECT BATTERY NEGATIVE TERMINAL
- DRAIN ENGINE COOLANT (See REPLACEMENT )
- REMOVE FRONT WHEEL RH
- REMOVE FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS) (See REPLACEMENT )
- REMOVE V-BANK COVER SUB-ASSY (See REPLACEMENT )
- REMOVE AIR CLEANER CAP SUB-ASSY (See REPLACEMENT )
- REMOVE EMISSION CONTROL VALVE SET (See REPLACEMENT )
- REMOVE INTAKE AIR SURGE TANK (See REPLACEMENT )
- REMOVE IGNITION COIL ASSY
- REMOVE CYLINDER HEAD COVER SUB-ASSY (See ADJUSTMENT )
- REMOVE FRONT FENDER APRON SEAL RH
- REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO. 1 (See REPLACEMENT )
- REMOVE VANE PUMP V BELT (See REPLACEMENT )
- REMOVE ENGINE MOVING CONTROL ROD (See REPLACEMENT )
- REMOVE ENGINE MOUNTING STAY NO. 2 RH (See REPLACEMENT )
- REMOVE GENERATOR BRACKET NO. 2 (See REPLACEMENT )
- REMOVE CRANKSHAFT PULLEY (See REPLACEMENT
)
SST 09213-54015 (91651-60855), 09330-00021, 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05031)
- REMOVE TIMING BELT NO. 1 COVER
- REMOVE TIMING BELT NO. 2 COVER (See REPLACEMENT )
- REMOVE ENGINE MOUNTING BRACKET RH (See REPLACEMENT )
- REMOVE TIMING BELT GUIDE NO. 2
- REMOVE TIMING BELT (See REPLACEMENT )
- REMOVE TIMING BELT IDLER SUB-ASSY NO. 2
- REMOVE CAMSHAFT TIMING PULLEY
- Using SST, remove the bolt and RH timing pulley.
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
- Using SST, remove the bolt and LH timing pulley.
SST 09960-10010 (09962-01000, 09963-01000)
HINT:
Arrange the camshaft timing pulleys (RH and LH sides) so that they can be returned to the original locations when reassembling.
- Using SST, remove the bolt and RH timing pulley.
- REMOVE TIMING BELT NO. 3 COVER
- Disconnect the 3 engine wire harness clamps from the timing belt No. 3 cover.
- Remove the 6 bolts and timing belt cover.
- REMOVE CAMSHAFT NOTE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while being installed. If the camshaft is not kept level, the cylinder head or camshaft may be damaged. To avoid this, the following steps must be carried out.
- Align the timing marks (2 dot marks) of the camshaft drive and driven gears by turning the camshaft with a wrench.
- Secure the exhaust camshaft sub gear to the main gear with a service bolt.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
Recommended service bolt
HINT:
When removing the camshaft, make certain that the torsional spring force of the sub gear has been eliminated by installation of the service bolt.
- Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and camshaft.
NOTE:
- Do not pry out the camshaft.
- Be careful not to damage the contact surface of the cylinder head that receives the shaft thrust.
- REMOVE NO. 2 CAMSHAFT
- Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and No. 2 camshaft.
NOTE:
- Do not pry out the camshaft.
- Be careful not to damage the contact surface of the cylinder head that receives the shaft thrust.
- Remove the oil seal from the No. 2 camshaft.
- Using several steps, loosen and remove the 10 bearing cap bolts uniformly in the sequence shown in the illustration. Remove the 5 bearing caps and No. 2 camshaft.
- REMOVE CAMSHAFT TIMING GEAR ASSY NOTE: Do not remove or install the camshaft timing gear (VVT-i) unless you are replacing the VVT-i or camshaft.
- Clamp the camshaft in a vise on the hexagonal lobe.
NOTE: Be careful not to damage the camshaft.
- Using a 46 mm socket wrench, remove the lock nut by turning it clockwise.
NOTE:
- Remove it with the lock pin engaged and locked at the most retard angle position.
- The lock nut has LH threads.
- Never use any tools other than the socket wrench. Other tools will deform the cam angle rotor.
- Remove the camshaft VVT-i.NOTE: Never remove the 3 bolts on the gear.
If it is difficult to remove VVT-i, tap it lightly using a plastic-faced hammer, then remove it.
- Clamp the camshaft in a vise on the hexagonal lobe.
- REMOVE CAMSHAFT SUB GEAR
- Clamp the camshaft in a vise on the hexagonal lobe.
NOTE: Be careful not to damage the camshaft.
- Using SST, turn the sub gear counterclockwise, then remove the service bolt.
SST 09960-10010 (09962-01000, 09963-00500)
- Using snap ring pliers, remove the snap ring.
- Remove the wave washer, camshaft sub gear and camshaft gear bolt washer.
- Clamp the camshaft in a vise on the hexagonal lobe.
- INSTALL CAMSHAFT SUB GEAR
- Clamp the camshaft in a vise on the hexagonal lobe.
NOTE: Be careful not to damage the camshaft.
- Install the camshaft gear bolt washer and camshaft sub gear.
HINT:
Attach the pins on the gears to the gear bolt washer ends.
- Install the wave washer.
- Using snap ring pliers, install the snap ring.
- Using SST, align the holes of the camshaft main gear and sub gear by turning the camshaft sub gear counterclockwise, then temporarily install a service bolt.
SST 09960-10010 (09962-01000, 09963-00500)
- Align the gear teeth of the main gear and sub gear, then tighten the service bolt.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
NOTE: Be careful not to damage the camshaft journals.HINT:
When installing the camshaft, make certain that the torsional spring force of the sub gear has been eliminated by installation of the service bolt.
- Clamp the camshaft in a vise on the hexagonal lobe.
- INSTALL CAMSHAFT TIMING GEAR ASSY
- Align the alignment pin with the alignment pin groove, then install the VVT-i on the camshaft.
NOTE: Install it with the lock pin engaged and locked at the most retard angle position.
- Apply engine oil to the nut, mounting surface of the VVT-i and screw threads.NOTE:
- Be sure to apply the oil, otherwise the specified torque cannot be obtained.
- New nut must be used when replacing the VVT-i unit.
- Using a 46 mm socket wrench, install and tighten a lock nut by turning it counterclockwise.
Torque: 150 N.m (1,530 kgf.cm, 111 ft.lbf)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:- The lock nut has LH threads.
- Never use any tools other than the socket wrench. Other tools will deform the cam angle rotor.
- Align the alignment pin with the alignment pin groove, then install the VVT-i on the camshaft.
- INSTALL NO. 2 CAMSHAFT NOTE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while being installed. If the camshaft is not kept level, the cylinder head or camshaft may be damaged. To avoid this, the following steps must be carried out.
- Apply new engine oil to the thrust portion and journal of the camshaft.
- Place the No. 2 camshaft at a 90° angle of the timing mark (2 dot marks) on the cylinder head.
- Apply multi-purpose grease to a new oil seal lip.
- Install the oil seal to the camshaft.NOTE:
- Do not turn over the oil seal lip.
- Insert the oil seal until it stops.
- Remove any old packing material from the contact surface.
- Apply seal packing to the bearing cap No. 1 as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
NOTE:- Install the bearing cap No. 1 within 5 minutes after applying seal packing.
- Do not expose the seal packing to engine oil within 2 hours after installing.
- Install the 5 bearing caps in their proper locations.
- Apply a light coat of engine oil to the threads of the bearing cap bolts.
- Using several steps, tighten the 10 bearing cap bolts uniformly in the sequence shown in the illustration.
Torque: 16 N.m (163 kgf.cm, 12 ft.lbf)
- INSTALL CAMSHAFT NOTE: Since the thrust clearance of the camshaft is small, the camshaft must be kept level while being installed. If the camshaft is not kept level, the cylinder head or camshaft may be damaged. To avoid this, the following steps must be carried out.
- Apply new engine oil to the thrust portion and journal of the camshaft.
- Align the timing marks (2 dot marks) of the camshaft drive and driven gears.
- Place the camshaft on the cylinder head.
- Install the 5 bearing caps in their proper locations.
- Apply a light coat of engine oil to the threads of the bearing cap bolts.
- Using several steps, tighten the 10 bearing cap bolts uniformly in the sequence shown in the illustration.
Torque: 16 N.m (163 kgf.cm, 12 ft.lbf)
- Remove the service bolt.
- INSTALL TIMING BELT NO. 3 COVER
- Visually check for cracks and breaks on the gasket of the timing belt cover.
HINT:
If there is a trace of water intrusion when checking visually, repair the gasket with seal packing when the crack length is within 2 to 3 cm (0.79 to 1.18 in.). Replace the gasket when the crack length is 3 to 4 cm (1.18 to 1.57 in.) or longer.
- If the timing belt cover gasket is needed to repair, follow the procedure below.
- Repair the cracks and breaks by applying seal packing to the damaged area.
Seal packing: Part No. 08826-00080 or equivalent
NOTE: When applying the seal packing, apply it as wide and high as the gasket. - Repair the cracks and breaks by applying seal packing to the damaged area.
- If the timing belt cover gasket is needed to replace, follow the procedure below.
- Using a screwdriver and gasket scraper, remove the remaining gasket.NOTE: Be careful not to damage the timing belt cover.
- Remove the backing paper from a new gasket, then affix the gasket along the groove of the timing belt cover as shown in the illustration.
NOTE:
- Affix the gasket in the center of the groove.
- At the corners, try to keep the gasket thickness uniform.
HINT:
- If there is a gap between the ends of the gasket, apply seal packing to close the gap.
Seal packing: Part No. 08826-00080 or equivalent
NOTE: When applying the seal packing, apply it as wide and high as the gasket.
- Using a screwdriver and gasket scraper, remove the remaining gasket.
- Install the timing belt cover with the 6 bolts.
Torque: 8.5 N.m (87 kgf.cm, 75 in.lbf)
- Visually check for cracks and breaks on the gasket of the timing belt cover.
- INSTALL CAMSHAFT TIMING PULLEY
- Pay attention to the orientation of the belt guide. Install the camshaft timing pulley with the belt guide properly oriented, then tighten the bolt temporarily.
HINT:
- Align the belt guide of the RH timing pulley so it faces the front of the engine as illustrated.
- Align the belt guide of the LH timing pulley so it faces the rear of the engine as illustrated.
- Using SST, tighten the RH pulley bolt.
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
Torque: 125 N.m (1,275 kgf.cm, 92 ft.lbf)
NOTE: The torque indicated above is used without SST on the extension tool. If you are using the extension tool, find the reading of the torque wrench by the formula (see ).Extended length:
SST (09249-63010) 150mm (5.91 in.)
- Using SST, tighten the LH pulley bolt.
SST 09960-10010 (09962-01000, 09963-01000)
Torque: 125 N.m (1275 kgf.cm, 92 ft.lbf)
- Pay attention to the orientation of the belt guide. Install the camshaft timing pulley with the belt guide properly oriented, then tighten the bolt temporarily.
- INSTALL TIMING BELT IDLER SUB-ASSY NO. 2
Torque: 43 N.m (438 kgf.cm, 32 ft.lbf)
- INSPECT TIMING BELT (See REPLACEMENT )
- INSTALL TIMING BELT (See REPLACEMENT
)
SST 09960-10010 (09962-01000, 09963-01000)
- INSTALL TIMING BELT TENSIONER ASSY (See REPLACEMENT )
- INSTALL TIMING BELT GUIDE NO. 2 (See REPLACEMENT )
- INSTALL ENGINE MOUNTING BRACKET RH (See REPLACEMENT )
- INSTALL TIMING BELT NO. 2 COVER (See REPLACEMENT )
- INSTALL TIMING BELT NO. 1 COVER (See REPLACEMENT )
- INSTALL CRANKSHAFT PULLEY (See REPLACEMENT
)
SST 09213-54015 (91651-60855), 09330-00021
- INSTALL GENERATOR BRACKET NO. 2 (See REPLACEMENT )
- INSTALL ENGINE MOUNTING STAY NO. 2 RH (See REPLACEMENT )
- INSTALL ENGINE MOVING CONTROL ROD (See REPLACEMENT )
- INSPECT VALVE CLEARANCE (See ADJUSTMENT )
- ADJUST VALVE CLEARANCE (See ADJUSTMENT
)
SST 09248-55040 (09248-05410, 09248-05420)
- INSTALL VANE PUMP V BELT (See REPLACEMENT )
- INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO. 1 (See REPLACEMENT )
- INSPECT DRIVE BELT DEFLECTION AND TENSION (See INSPECTION )
- INSTALL CYLINDER HEAD COVER SUB-ASSY (See ADJUSTMENT )
- INSTALL IGNITION COIL ASSY (See ADJUSTMENT )
- INSTALL INTAKE AIR SURGE TANK (See REPLACEMENT )
- INSTALL EMISSION CONTROL VALVE SET (See REPLACEMENT )
- INSTALL AIR CLEANER CAP SUB-ASSY (See REPLACEMENT )
- CHECK CONNECTION OF VACUUM HOSE (See REPLACEMENT )
- INSTALL V-BANK COVER SUB-ASSY (See REPLACEMENT )
- INSTALL FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS) (See REPLACEMENT )
- INSTALL FRONT WHEEL RH (See REPLACEMENT )
- ADD ENGINE COOLANT (See REPLACEMENT )
- CHECK FOR ENGINE COOLANT LEAKS (See INSPECTION )
- SYSTEM INITIALIZATION (See PRECAUTION )