1. Contents
Click a Section Tab

2. Engine Overall
Engine Proper
Valve Mechanism
Lubrication System
Intake and Exhaust System
Charging
Engine Control System

3. 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)

4. 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

5. 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

6. 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

7. 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
rpm]
rpm)
6,200
Maximum Torque
rpm]
rpm)
4,700

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. 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

15. 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

16. 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

17. Service Point (Lubrication System)
Oil Filter
Replace engine oil and oil filter
Removal
SST:
3. After the draining, remove drain pipe by moving side-to-side, and remove O-ring.
4. Remove oil filter cap using SST ( ).
O-ring
3. Remove drain pipe and O-ring
4. Remove oil filter cap

18. 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

19. Service Point (Lubrication System)
Oil Filter
Replace engine oil and oil filter
Installation
O-ring (new)
Drain Bolt
SST:
2. Install filter cap using SST ( ). [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

20. 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

21. 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

22. 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

23. 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

24. Service Point (Charging System)
Alternator Pulley
Using a SST, when remove or install the alternator pulley
SST
(2 parts)
Remove
Shaft
Pulley
SST

25. Service Point (Charging System)
Alternator Pulley
Alternator pulley cap is non-reusable part
Alternator Pulley Cap
(Non-reusable Part)

26. 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

27. 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

28. 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

29. 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

30. 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

31. 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)