CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during brake booster assembly removal/installation are shown below.
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Battery terminal is disconnected/reconnected | Memorize steering angle neutral point | LKA/LDA System | |
| Intelligent clearance sonar system | |||
| Pre-Crash Safety System | |||
| Lighting System (EXT)
|
|||
| Adaptive High Beam System | |||
| Parking Assist Monitor System (w/ Parallel Parking Assist Function) | |||
| Parking Assist Monitor System (w/o Parallel Parking Assist Function) | |||
| Panoramic View Monitor System | |||
| Drive the vehicle until stop and start control is permitted (approximately 15 to 60 minutes) | Stop and start system | ||
| Initialize back door lock | Power door lock control system | ||
| Reset back door close position | Power back door system |
CAUTION / NOTICE / HINT
Note
Make sure to release vacuum from the brake booster assembly before removing the brake master cylinder sub-assembly from the brake booster assembly.
PROCEDURE
PRECAUTION
Note
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
for HFC-134a (R134a): Click here
for HFO-1234yf (R1234yf): Click here
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
REMOVE FUEL PUMP ASSEMBLY (for 2GR-FKS)
REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY WITH WAY
REMOVE FRONT DOOR SCUFF PLATE RH
REMOVE COWL SIDE TRIM BOARD RH
REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY (for 8AR-FTS)
DISCONNECT CHECK VALVE TO BRAKE BOOSTER HOSE (for 8AR-FTS)
Slide the clip and disconnect the check valve to brake booster hose from the brake booster assembly.
DISCONNECT UNION TO CHECK VALVE HOSE (for 2GR-FKS)
Slide the clip and disconnect the union to check valve hose from the brake booster assembly.
SEPARATE ENGINE ROOM MAIN WIRE
for 8AR-FTS:
Disconnect the connector from the vacuum sensor assembly.
for 2GR-FKS:
Disconnect the connector from the vacuum warning switch assembly.
Disengage the 8 clamps to separate the engine room main wire.
SEPARATE BRAKE LINE
Using a union nut wrench, disconnect the front No. 6 brake tube and front No. 7 brake tube from the brake actuator assembly.
Note
Do not kink or damage the brake lines.
Do not allow any foreign matter such as dirt or dust to enter the brake line from the connecting parts.
Disengage the 2 clamps and remove the front No. 6 brake tube and front No. 7 brake tube.
Note
Do not damage the 2 clamps.
Do not kink or damage the brake lines.
SEPARATE SUCTION PIPE SUB-ASSEMBLY (w/o Sub-cool Accelerator)
for 8AR-FTS:
Disengage the clamp from the suction pipe sub-assembly.
Disengage the clamp to separate the suction pipe sub-assembly.
Note
Do not deform the refrigerant lines.
Do not damage the clamp.
for 2GR-FKS:
Disengage the clamp from the suction pipe sub-assembly.
Disengage the clamp to separate the suction pipe sub-assembly.
Note
Do not deform the refrigerant lines.
Do not damage the clamp.
Remove the bolt and rotate the hook connector.
Disconnect the suction pipe sub-assembly from the air conditioning unit assembly.
Remove the O-ring from the suction pipe sub-assembly.
Note
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
SEPARATE AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY (w/o Sub-cool Accelerator)
for 8AR-FTS:
Disengage the clamp to separate the air conditioner tube and accessory assembly from the piping clamp.
Note
Do not deform the refrigerant lines.
Do not damage the clamp.
Remove the bolt and separate the air conditioner tube and accessory assembly.
Note
Do not deform the refrigerant lines.
for 2GR-FKS:
Disconnect the connector from the air conditioner tube and accessory assembly.
Disengage the clamp.
Remove the bolt and separate the air conditioner tube and accessory assembly.
Note
Do not deform the refrigerant lines.
Disengage the clamp to separate the air conditioner tube and accessory assembly.
Note
Do not deform the refrigerant lines.
Do not damage the clamp.
Disconnect the air conditioner tube and accessory assembly from the air conditioning unit assembly.
Remove the O-ring from the air conditioner tube and accessory assembly.
Note
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
SEPARATE SUCTION HOSE SUB-ASSEMBLY (w/ Sub-cool Accelerator)
Separate the suction hose sub-assembly from the No. 2 air conditioner tube and accessory assembly.
Note
Do not deform the refrigerant lines.
Remove the 2 O-rings and piping clamp from the suction hose sub-assembly.
Note
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
SEPARATE AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY (w/ Sub-cool Accelerator)
Remove the piping clamp.
Remove the bolt and separate the air conditioner tube and accessory assembly.
Note
Do not deform the refrigerant lines.
Disconnect the air conditioner tube and accessory assembly from the No. 2 air conditioner tube and accessory assembly.
Remove the 2 O-rings from the air conditioner tube and accessory assembly.
Note
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
REMOVE NO. 2 AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY (w/ Sub-cool Accelerator)
Remove the bolt and separate the No. 2 air conditioner tube and accessory assembly.
Note
Do not deform the refrigerant lines.
Remove the bolt and rotate the hook connector.
Remove the No. 2 air conditioner tube and accessory assembly from the air conditioning unit assembly.
Note
Do not deform the refrigerant lines.
Remove the 2 O-rings from the No. 2 air conditioner tube and accessory assembly.
Note
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
REMOVE NO. 2 VENTILATION HOSE (for 2GR-FKS)
Slide the clip and disconnect the No. 2 ventilation hose to remove it from the cylinder head cover sub-assembly.
DISCONNECT FUEL TUBE SUB-ASSEMBLY (for 2GR-FKS)
REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY (for 2GR-FKS)
REMOVE NO. 1 DELIVERY PIPE SPACER (for 2GR-FKS)
REMOVE INJECTOR VIBRATION INSULATOR (for 2GR-FKS)
SEPARATE ENGINE WIRE (for 2GR-FKS)
Disengage the 4 clamps and disconnect the 8 connectors.
|
Connector | |
Bolt |
Remove the 3 bolts to separate the engine wire.
REMOVE IGNITION COIL ASSEMBLY (for 2GR-FKS)
Remove the 3 bolts and 3 ignition coil assemblies.
REMOVE VVT SENSOR (for 2GR-FKS)
for Intake Side of Bank 1: Click here
REMOVE VVT SENSOR (for 2GR-FKS)
for Exhaust Side of Bank 1: Click here
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY (for 2GR-FKS)
REMOVE BRAKE PEDAL RETURN SPRING
LOOSEN LOCK NUT
| *1 | Lock Nut |
| *2 | Brake Master Cylinder Push Rod Clevis |
Loosen the lock nut of the brake master cylinder push rod clevis.
REMOVE PUSH ROD PIN
REMOVE BRAKE BOOSTER ASSEMBLY
Remove the 4 nuts and push the brake booster assembly toward the engine compartment.
Note
Do not apply excessive force to the refrigerant lines.
Remove the brake master cylinder push rod clevis and lock nut from the brake booster assembly.
Remove the brake booster assembly from the vehicle body.
Note
Do not apply excessive force to the refrigerant lines.
REMOVE BRAKE BOOSTER GASKET