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Engine Overall Engine Proper Valve Mechanism Lubrication System Intake and Exhaust System Charging Engine Control System
Engine Overall 2GR-FE Engine V6 (60-degree), 3.5-liter, 24-valve, DOHC engine w/Dual VVT-i, ACIS and ETCS-i [Engine feature] V type 60-degree, 6 cylinders, 3.5-liter, 24-valve, DOHC gasoline engine. Equipment : -Dual VVT-i (Variable Valve Timing-intelligent) -ACIS (Acoustic Control Induction System) -ETCS-i (Electronic Throttle Control System-intelligent)
Engine Overall Features MRE Type VVT Sensor Long-reach Type Spark Plug 3 Timing Chains [Feature of engine proper] - Element replacing type oil filter - MRE type VVT sensor - Valve mechanism with 3 timing chain - Long reach type spark plug Element Replacing Type Oil Filter
Engine Overall Features Rotary Solenoid Type ACIS Valve Camshaft Housing Dual VVT-i Hydraulic Lash Adjuster [Feature of engine proper] - Dual VVT-i (VVT-i for intake and exhaust camshafts) - Hydraulic lash adjuster - Rotary solenoid type ACIS valve - Camshaft housing
Engine Overall Features Air Intake Control System Stepless Controlled Double Electric Cooling Fan [Feature of engine proper] - Stepless controlled double electric cooling fan - Air intake control system
Engine Overall Specification Model ’06 CAMRY Engine 2GR-FE No. of Cylinders and Arrangement 6-Cylinder, V-type Valve Mechanism 24-Valve DOHC, Chain Drive, Dual VVT-i Displacement [cm3 (cu. in.)] 3,456 (210.9) Bore x Stroke [mm (in.)] 94.0 x 83.0 (3.70 x 3.27) Compression Ratio 10.8 Maximum Output [kW @ rpm] (HP @ rpm) 204 @ 6,200 Maximum Torque [N·m @ rpm] (ft·lbf @ rpm) 346 @ 4,700
Engine Proper Cylinder Head Camshaft housing to simply the cylinder head structure Camshaft bearing cap for IN and EX is one piece Cylinder Head Cover Cylinder Head Cover Gasket Camshaft Bearing Cap Camshaft Housing - Camshaft housing is used to simply the cylinder head structure. - Camshaft bearing cap for intake and exhaust is one piece. Cylinder Head Cylinder Head Gasket For IN and EX is one piece
Service Point (Engine Proper) Cylinder Head Camshaft and camshaft housing installation Step1 : Temporary tighten (Torque: 10N・m [102kgf・cm]) X : Tightening order 1 2 3 4 5 6 7 8 Installation for RH bank is same as LH bank. LH Bank
Service Point (Engine Proper) Cylinder Head Camshaft and camshaft housing installation Step2 : Tighten (Torque: 28N・m [286kgf・cm]) X : Tightening order 1 3 2 4 5 6 8 7 9 10 11 12 LH Bank
Service Point (Engine Proper) Cylinder Head Camshaft and camshaft housing installation Step3 : Tighten (Torque: 16N・m [163kgf・cm]) X : Tightening order 1 2 3 4 5 6 7 8 LH Bank
Valve Mechanism Hydraulic Lash Adjuster Maintaining a constant zero valve clearance through use of oil pressure and spring force Plunger Low Pressure Chamber Zero Valve Clearance Oil Passage Check Ball The hydraulic lash adjuster, which is located at the fulcrum of the roller rocker arm, consists of plunger, plunger spring, check ball and check ball spring. Oil in chamber is stored and it decrease the clearance. Check Ball Spring High Pressure Chamber Plunger Spring Oil Passage
Valve Mechanism Idle Sprocket The rubber is used to reduce chain noise The rubber is used for the idle sprocket to reduce chain noise. Idle Sprocket
Service Point (Valve Mechanism) Installation of Timing Chain When the idle sprocket is reused, align the chain plate with the mark where the plate had been in order to tighten the chain between the banks Idle Sprocket (Reuse) [Installation of Timing Chain] When the idle sprocket is reused, align the chain plate with the mark where the plate had been in order to tighten the chain between the banks. Mark
Lubrication System Oil Filter Element replacement type oil filter Oil Pan No.1 Element replacement type oil filter is used. Oil Filter Cap Front Oil Filter Drain Bolt
Service Point (Lubrication System) Oil Filter Replace oil filter Removal Remove filter element Valve Oil Flow O-ring Drain Pipe Drain Pipe Hose 1. Connect a hose to drain pipe (connecting a hose makes draining the oil easier). Note: Drain pipe is supplied with the oil filter element. 2. Remove drain bolt, and then insert the drain pipe and hose into the oil filter cap to drain the oil. Drain Bolt 1. Connect a hose to drain pipe 2. Remove drain bolt, and insert drain pipe to drain oil
Service Point (Lubrication System) Oil Filter Replace engine oil and oil filter Removal SST: 09228-06501 3. After the draining, remove drain pipe by moving side-to-side, and remove O-ring. 4. Remove oil filter cap using SST (09228-06501). O-ring 3. Remove drain pipe and O-ring 4. Remove oil filter cap
Service Point (Lubrication System) Oil Filter Replace engine oil and oil filter Removal / Installation Install filter element New O-ring 5. Remove filter element and O-ring from filter cap. [Installation] 1. Set new filter element and O-ring to filter cap. New 5. Remove filter element and O-ring from filter cap 1. Set new filter element and O-ring to filter cap
Service Point (Lubrication System) Oil Filter Replace engine oil and oil filter Installation O-ring (new) Drain Bolt SST: 09228-06501 2. Install filter cap using SST (09228-06501). [Torque: 25N・m (255kgf・cm)] 3. Set the new O-ring and tighten the drain bolt. [Torque: 13N・m (127kgf・cm)] 2. Install filter cap using SST 3. Set the new O-ring and install drain plug
Service Point (Lubrication System) Oil Filter Replace engine oil and oil filter Installation No Leakage 4. Refill engine oil. 5. Run the engine and check there is no leakage between filter cap and oil pan. 4. Refill engine oil 5. Run the engine and check oil leakage
Intake and Exhaust System Intake Air Chamber Rotary solenoid type ACIS valve is adopted ACIS valve is unified by laser-welding Plastic Laser-welding Rotary Solenoid Type ACIS Valve
Reference (Intake and Exhaust System) ACIS Valve Rotary solenoid type ACIS valve is used Stator Valve Shaft Vacuum tank for ACIS valve is discontinued from 1GR-FE. Magnet Rotary Solenoid type Motor ACIS Valve
Charging System Alternator Pulley One-way clutch realizes a low tension V-ribbed belt One-way Clutch Alternator Shaft One-way clutch is used to the alternator pulley. It cancels alternator pulley inertia and helps to prevent slipping of the V-ribbed belt. This realizes a low tension V-ribbed belt that achieves reduced friction. Spring absorbs the engine torsional vibration. Bearing Spring Alternator Pulley Alternator
Service Point (Charging System) Alternator Pulley Using a SST, when remove or install the alternator pulley SST 09820-63020 (2 parts) Remove Shaft Pulley SST
Service Point (Charging System) Alternator Pulley Alternator pulley cap is non-reusable part Alternator Pulley Cap (Non-reusable Part)
Engine Control System LH Bank Dual VVT-i (Variable Valve Timing – intelligent) VVT-i is adopted for intake and exhaust camshafts Retard Intake Advance Retard Lock Pin Advance Vane When engine is stopped, the vanes are locked at following state to ensure startability. Intake: most retard state. Exhaust: most advance state. Exhaust Lock Pin LH Bank
At Idle, Light Load, Low Temp. and Starting Engine Control System Dual VVT-i Operation At Idle, Light Load, Low Temp. and Starting TDC Reduce blow back to the intake side Operation Range Engine Load [At Idle, Light Load, Low Temp. and Starting] Eliminating (decreasing) overlap to reduce blow back to the intake side. BDC Engine Speed - Effect - Stable combustion for fuel economy
Increase internal EGR, Eliminate pumping loss Engine Control System Dual VVT-i Operation At Medium Load Increase internal EGR, Eliminate pumping loss TDC Operation Range Engine Load [At Medium Load] Increase overlap to increase internal EGR and eliminate pumping loss. BDC Engine Speed - Effect - Improved emission control Better fuel economy
At Low/Middle speed Heavy Load Engine Control System Dual VVT-i Operation At Low/Middle speed Heavy Load TDC Operation Range Using the combustion pressure completely Engine Load Volumetric efficiency improvement [At Low/Middle speed and Heavy Load] Advance intake valve close timing for volumetric efficiency improvement (reduce blow back to the intake side). Retard exhaust valve open timing for using the combustion pressure completely. BDC Engine Speed - Effect - Improved torque/output
At High speed Heavy Load Engine Control System Dual VVT-i Operation At High speed Heavy Load TDC Operation Range volumetric efficiency improvement Reduce pumping loss Engine Load [At High speed and Heavy Load] Retard intake valve close timing for volumetric efficiency improvement by pulsation effect. Advance exhaust valve open timing for reduce pumping loss at exhaust cycle. BDC Engine Speed - Effect - Improved output
Service Point (Engine Control System) Dual VVT-i Following 14 DTCs are added by adoption of exhaust VVT-i DTC No. Detection Item P0013 Camshaft Position "B" Actuator Circuit (Bank 1) P0025 Camshaft Position "B" - Timing Over-Retarded (Bank 2) P0014 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1) P0365 Camshaft Position Sensor "B" Circuit (Bank 1) P0015 Camshaft Position "B" - Timing Over-Retarded (Bank 1) P0367 Camshaft Position Sensor "B" Circuit Low Input (Bank 1) P0017 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B) P0368 Camshaft Position Sensor "B" Circuit High Input (Bank 1) P0019 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor B) P0390 Camshaft Position Sensor "B" Circuit (Bank 2) P0023 Camshaft Position "B" Actuator Circuit (Bank 2) P0392 Camshaft Position Sensor "B" Circuit Low Input (Bank 2) P0024 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 2) P0393 Camshaft Position Sensor "B" Circuit High Input (Bank 2)