Exterior: Overview Lexus LS IV

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1. REMOVE COWL TOP VENTILATOR LOUVER RH (See «REMOVAL» )
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
3. REMOVE ENGINE ROOM SIDE COVER LH (See «REMOVAL» )
4. REMOVE ENGINE ROOM SIDE COVER RH (See «REMOVAL» )
5. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY (See «REMOVAL»(/lexus/ls/iv-2006-2012/remont/testing-diagnostics/#engine-control-system) )
6. REMOVE COOL AIR INTAKE DUCT SEAL (See «REMOVAL»(/lexus/ls/iv-2006-2012/remont/cooling-system-mechanical/#cooling) )
7. REMOVE RADIATOR GRILLE ASSEMBLY (See «REMOVAL» )
8. REMOVE FRONT FENDER WHEEL OPENING MOLDING LH (See «REMOVAL» )
9. REMOVE FRONT FENDER WHEEL OPENING MOLDING RH HINT: Use the procedure described for the LH side.
10. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH for 2WD: Remove the 3 screws and extension pad. for AWD: Remove the 6 screws and extension pad.
11. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH HINT: Use the procedure described for the LH side.
12. REMOVE FRONT FENDER LINER LH Using a screwdriver, turn the 2 pin hold clips 90° and remove the 2 pin hold clips. Partially remove the fender liner. HINT: It is not necessary to fully remove the fender liner. Partially remove it so that the bumper assembly can be removed later.
13. REMOVE FRONT FENDER LINER RH HINT: Use the procedure described for the LH side.
14. REMOVE FRONT BUMPER COVER Put protective tape around the front bumper. Remove the 8 screws. Detach the clip and remove the bumper seal bracket. HINT: Use the same procedure for the RH and LH sides. Detach the 6 claws and disconnect the front bumper as shown in the illustration. HINT: Use the same procedure for the RH and LH sides. Disconnect the 2 fog light connectors and remove the front bumper. w/ Intuitive Parking Assist System: Disconnect the No. 4 engine room main wire connector and remove the front bumper.
15. REMOVE FRONT BUMPER ENERGY ABSORBER Remove the energy absorber.
16. REMOVE FRONT BUMPER REINFORCEMENT Disconnect the cooler thermistor connector. w/ Air Suspension: Remove the height control cleaner from the reinforcement. w/ Headlight Cleaner System: Detach the headlight cleaner hose clamps. Remove the 6 bolts and reinforcement.
17. REMOVE FRONT BUMPER LOWER ABSORBER Remove the lower absorber.
18. REMOVE FRONT SUSPENSION LOWER CROSSMEMBER Remove the 3 clips. Remove the 4 bolts and lower crossmember.
19. REMOVE RADIATOR SUPPORT OPENING COVER Remove the 2 clips and radiator support opening cover.
20. REMOVE FRONT BUMPER SIDE RETAINER LH Remove the screw. Detach the claws and remove the retainer.
21. REMOVE FRONT BUMPER SIDE RETAINER RH HINT: Use the procedure described for the LH side.
22. REMOVE FRONT BUMPER BAR REINFORCEMENT LH Remove the 2 screws and bumper bar reinforcement.
23. REMOVE FRONT BUMPER BAR REINFORCEMENT RH HINT: Use the procedure described for the LH side.

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1. REMOVE FRONT BUMPER LOWER COVER Using a screwdriver, detach the 2 claws and remove the bumper lower cover. HINT: Tape the screwdriver tip before use. Detach the claw on the inner side first.
2. REMOVE LOWER RADIATOR GRILLE LH Detach the 16 claws and remove the lower radiator grille.
3. REMOVE LOWER RADIATOR GRILLE RH HINT: Use the procedure described for the LH side.
4. REMOVE FRONT BUMPER EXTENSION MOUNTING BRACKET Remove the 2 screws and mounting bracket.
5. REMOVE FOG LIGHT ASSEMBLY LH (See «REMOVAL» )
6. REMOVE FOG LIGHT ASSEMBLY RH HINT: Use the procedure described for the LH side.
7. REMOVE NO. 4 ENGINE ROOM WIRE (w/ Intuitive Parking Assist System) (See «REMOVAL» )
8. REMOVE NO. 1 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) (See «REMOVAL» )
9. REMOVE NO. 2 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) (See «REMOVAL» )
10. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) (See «REMOVAL» )
11. REMOVE NO. 2 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) (See «REMOVAL» )
12. REMOVE FRONT BUMPER PAD LH (for AWD) Remove the bumper pad from the front bumper.
13. REMOVE FRONT BUMPER PAD RH (for AWD) HINT: Use the procedure described for the LH side.

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1. INSTALL FRONT BUMPER PAD LH (for AWD) Clean the front bumper surface. Using a heat light, heat the front bumper surface. Standard STANDARD REFERENCE CHART Item Specified Condition Front bumper 20 to 30°C (68 to 86°F) NOTE: Do not heat the front bumper excessively. Remove the double-sided tape from the front bumper. Wipe off any tape adhesive residue with cleaner. Install a new bumper pad. Remove the peeling paper from the face of the bumper pad. HINT: After removing the peeling paper, keep the exposed adhesive free from foreign matter. Install the bumper pad to the front bumper.
2. INSTALL FRONT BUMPER PAD RH (for AWD) HINT: Use the procedure described for the LH side.
3. INSTALL NO. 1 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) Install the No. 1 ultrasonic sensor (See «INSTALLATION» ).
4. INSTALL NO. 1 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) Install the No. 1 ultrasonic sensor retainer (See «INSTALLATION» ).
5. INSTALL NO. 2 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) Install the No. 2 ultrasonic sensor (See «INSTALLATION» ).
6. INSTALL NO. 2 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) Install the No. 2 ultrasonic sensor retainer (See «INSTALLATION» ).
7. INSTALL NO. 4 ENGINE ROOM WIRE (w/ Intuitive Parking Assist System) (See «INSTALLATION» )
8. INSTALL FOG LIGHT ASSEMBLY LH (See «INSTALLATION» )
9. INSTALL FOG LIGHT ASSEMBLY RH HINT: Use the procedure described for the LH side.
10. INSTALL FRONT BUMPER EXTENSION MOUNTING BRACKET Install the mounting bracket with the 2 screws.
11. INSTALL LOWER RADIATOR GRILLE LH Attach the 16 claws to install the lower radiator grille.
12. INSTALL LOWER RADIATOR GRILLE RH HINT: Use the procedure described for the LH side.
13. INSTALL FRONT BUMPER LOWER COVER Attach the 2 claws to install the bumper lower cover. HINT: Attach the claw on the outer side first.

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1. INSTALL FRONT BUMPER BAR REINFORCEMENT LH Install the bumper bar reinforcement with the 2 screws.
2. INSTALL FRONT BUMPER BAR REINFORCEMENT RH HINT: Use the procedure described for the LH side.
3. INSTALL FRONT BUMPER SIDE RETAINER LH Attach the claws to install the retainer. Install the screw.
4. INSTALL FRONT BUMPER SIDE RETAINER RH HINT: Use the procedure described for the LH side.
5. INSTALL RADIATOR SUPPORT OPENING COVER Install the radiator support opening cover with the 2 clips.
6. INSTALL FRONT SUSPENSION LOWER CROSSMEMBER Install the lower crossmember with the 4 bolts and 3 clips. Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf)
7. INSTALL FRONT BUMPER LOWER ABSORBER Install the lower absorber.
8. INSTALL FRONT BUMPER REINFORCEMENT Install the reinforcement with the 6 bolts. Torque: 29 N*m (296 kgf*cm, 21 ft.*lbf) Connect the cooler thermistor connector. w/ Air Suspension: Install the height control cleaner to the reinforcement. w/ Headlight Cleaner System: Attach the headlight cleaner hose clamps.
9. INSTALL FRONT BUMPER ENERGY ABSORBER Install the energy absorber.
10. INSTALL FRONT BUMPER COVER Connect the 2 fog light connectors and install the front bumper. w/ Intuitive Parking Assist System: Connect the No. 4 engine room main wire connector and install the front bumper. Attach the 6 claws to the connect the front bumper, as shown in the illustration. HINT: Use the same procedure for the RH and LH sides. Install the bumper seal bracket and attach the clip. HINT: Use the same procedure for the RH and LH sides. Install the 8 screws.
11. INSTALL FRONT FENDER LINER LH Position the groove on the 2 pin hold clips vertically and insert the 2 clips to install them. NOTE: Make sure that the groove on the pin hold clip is positioned vertically.
12. INSTALL FRONT FENDER LINER RH HINT: Use the procedure described for the LH side.
13. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH for 2WD: Install the extension pad with the 3 screws. for AWD: Install the extension pad with the 6 screws.
14. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH HINT: Use the procedure described for the LH side.
15. INSTALL FRONT FENDER WHEEL OPENING MOLDING LH (See «INSTALLATION» )
16. INSTALL FRONT FENDER WHEEL OPENING MOLDING RH HINT: Use the procedure described for the LH side.
17. INSTALL RADIATOR GRILLE ASSEMBLY (See «INSTALLATION» )
18. INSTALL COOL AIR INTAKE DUCT SEAL (See «INSTALLATION»(/lexus/ls/iv-2006-2012/remont/cooling-system-mechanical/#cooling) )
19. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY (See «INSTALLATION»(/lexus/ls/iv-2006-2012/remont/testing-diagnostics/#engine-control-system) )
20. INSTALL ENGINE ROOM SIDE COVER LH (See «INSTALLATION» )
21. INSTALL ENGINE ROOM SIDE COVER RH (See «INSTALLATION» )
22. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
23. INSTALL COWL TOP VENTILATOR LOUVER RH (See «INSTALLATION» )
24. PERFORM INITIALIZATION Perform initialization (See «INITIALIZATION» ). NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
25. CHECK SRS WARNING LIGHT Check the SRS warning light (See «DIAGNOSIS SYSTEM»(/lexus/ls/iv-2006-2012/remont/airbag/#supplemental-restraint-system) ).

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1. REMOVE COWL TOP VENTILATOR LOUVER RH (See «REMOVAL» )
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
3. REMOVE REAR BUMPER PLATE LH Using a screwdriver, detach the 3 claws and remove the bumper plate. HINT: Tape the screwdriver tip before use.
4. REMOVE REAR BUMPER PLATE RH HINT: Use the same procedures described for the LH side.
5. REMOVE REAR BUMPER COVER Put protective tape around the rear bumper assembly. Using a clip remover, remove the 6 clips. Remove the 6 screws. Detach the clip and remove the bumper seal bracket. HINT: Use the same procedures for the RH side and LH side. Detach the 10 claws and disconnect the rear bumper as shown in the illustration. HINT: Use the same procedures for the RH side and LH side. Detach the 8 claws and remove the rear bumper as shown in the illustration. w/ Intuitive Parking Assist System: Disconnect the No. 3 floor wire connector.
6. REMOVE REAR BUMPER ENERGY ABSORBER Remove the energy absorber.
7. REMOVE REAR BUMPER BAR Remove the bumper bar from the energy absorber.
8. REMOVE REAR BUMPER ARM REINFORCEMENT LH Detach the 6 claws and remove the bumper arm reinforcement.
9. REMOVE REAR BUMPER ARM REINFORCEMENT RH HINT: Use the same procedures described for the LH side.
10. REMOVE REAR BUMPER NO. 1 REINFORCEMENT Remove the 8 bolts and reinforcement.
11. REMOVE REAR BUMPER SIDE SUPPORT LH Remove the 4 screws. Detach the clip and 2 claws to remove the side support.
12. REMOVE REAR BUMPER SIDE SUPPORT RH HINT: Use the same procedures described for the LH side.
13. REMOVE REAR BUMPER RETAINER UPPER LH Detach the 2 clips and remove the retainer.
14. REMOVE REAR BUMPER RETAINER UPPER RH Detach the wire clamp and 2 clips to remove the retainer.
15. REMOVE REAR BUMPER RETAINER LOWER LH Remove the 5 screws. Detach the 3 claws and remove the retainer.
16. REMOVE REAR BUMPER RETAINER LOWER RH HINT: Use the same procedures described for the LH side.

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1. REMOVE REAR BUMPER PROTECTOR Remove the 2 protectors.
2. REMOVE REAR BUMPER PIECE LH Using a screwdriver, detach the 2 claws and remove the bumper piece. HINT: Tape the screwdriver tip before use. Detach the claw on the inner side first.
3. REMOVE REAR BUMPER PIECE RH HINT: Use the same procedures described for the LH side.
4. REMOVE REAR BUMPER SIDE RETAINER LH Remove the 2 bolts and retainer.
5. REMOVE REAR BUMPER SIDE RETAINER RH HINT: Use the same procedures described for the LH side.
6. REMOVE REAR BUMPER EXTENSION LH Remove the 4 bolts and bumper extension.
7. REMOVE REAR BUMPER EXTENSION RH HINT: Use the same procedures described for the LH side.
8. REMOVE NO. 3 LUGGAGE ROOM WIRE (w/ Intuitive Parking Assist System) (See «REMOVAL» )
9. REMOVE NO. 1 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) (See «REMOVAL» )
10. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) (See «REMOVAL» )

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1. INSTALL NO. 1 ULTRASONIC SENSOR (w/ Intuitive Parking Assist System) Install the No. 1 ultrasonic sensor (see «INSTALLATION» ).
2. INSTALL NO. 1 ULTRASONIC SENSOR RETAINER (w/ Intuitive Parking Assist System) Install the No. 1 ultrasonic sensor retainer (see «INSTALLATION» ).
3. INSTALL NO. 3 LUGGAGE ROOM WIRE (w/ Intuitive Parking Assist System) (See «INSTALLATION» )
4. INSTALL REAR BUMPER EXTENSION LH Install the bumper extension with the 4 bolts.
5. INSTALL REAR BUMPER EXTENSION RH HINT: Use the same procedures described for the LH side.
6. INSTALL REAR BUMPER SIDE RETAINER LH Install the retainer with the 2 bolts.
7. INSTALL REAR BUMPER SIDE RETAINER RH HINT: Use the same procedures described for the LH side.
8. INSTALL REAR BUMPER PIECE LH Attach the 2 claws to install the bumper piece. HINT: Attach the claw on the outer side first.
9. INSTALL REAR BUMPER PIECE RH HINT: Use the same procedures described for the LH side.
10. INSTALL REAR BUMPER PROTECTOR Install the 2 new bumper protectors.

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1. INSTALL REAR BUMPER RETAINER LOWER LH Attach the 3 claws to install the retainer. Install the 5 screws.
2. INSTALL REAR BUMPER RETAINER LOWER RH HINT: Use the same procedures described for the LH side.
3. INSTALL REAR BUMPER RETAINER UPPER LH Attach the 2 clips to install the retainer.
4. INSTALL REAR BUMPER RETAINER UPPER RH Attach the 2 clips to install the retainer. Attach the wire clamp.
5. INSTALL REAR BUMPER SIDE SUPPORT LH Attach the clip and 2 claws to install the side support. Install the 4 screws.
6. INSTALL REAR BUMPER SIDE SUPPORT RH HINT: Use the same procedures described for the LH side.
7. INSTALL REAR BUMPER NO. 1 REINFORCEMENT Install the reinforcement with the 8 screws. Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf)
8. INSTALL REAR BUMPER ARM REINFORCEMENT LH Attach the 6 claws to install the bumper arm reinforcement.
9. INSTALL REAR BUMPER ARM REINFORCEMENT RH HINT: Use the same procedures described for the LH side.
10. INSTALL REAR BUMPER BAR Install the bumper bar to the energy absorber.
11. INSTALL REAR BUMPER ENERGY ABSORBER Install the energy absorber.
12. INSTALL REAR BUMPER COVER w/ Intuitive Parking Assist System: Connect the No. 3 floor wire connectors. Attach the 8 claws to install the rear bumper. Attach the 10 claws to connect the rear bumper. HINT: Use the same procedures for the RH side and LH side. Install the bumper seal bracket and attach the clip. HINT: Use the same procedures for the RH side and LH side. Install the 6 screws and 6 clips.
13. INSTALL REAR BUMPER PLATE LH Attach the 3 claws to install the bumper plate. HINT: Attach the claw on the inner side first.
14. INSTALL REAR BUMPER PLATE RH HINT: Use the same procedures described for the LH side.
15. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
16. INSTALL COWL TOP VENTILATOR LOUVER RH (See «INSTALLATION» )
17. PERFORM INITIALIZATION Perform initialization (see «INITIALIZATION» ). NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
18. CHECK SRS WARNING LIGHT Check the SRS warning light (see «DIAGNOSIS SYSTEM»(/lexus/ls/iv-2006-2012/remont/airbag/#supplemental-restraint-system) ).

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See also:
• REMOVAL
• REMOVAL
• DIAGNOSIS SYSTEM