Lexus NX: Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
- Use the same procedure for the RH and LH sides.
- The following procedure is for the LH side.
PROCEDURE
1. REMOVE CYLINDER BOOT
| (a) Using a screwdriver with its wrapped with protective tape, remove the piston seal from the disc brake cylinder assembly. HINT: Tape the screwdriver tip before use. NOTICE: Be careful not to damage the rear disc brake piston and rear disc brake cylinder assembly. |
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2. REMOVE REAR DISC BRAKE PISTON
| (a) Place a piece of cloth between the rear disc brake piston and rear disc brake cylinder assembly. |
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(b) Apply compressed air to remove the rear disc brake piston from the rear disc brake cylinder assembly.
CAUTION:
Do not place your fingers in front of the piston when using compressed air.
NOTICE:
Be careful not to spatter the brake fluid.
3. REMOVE PISTON SEAL
| (a) Using a screwdriver with its tip wrapped with protective tape, remove the piston seal from the rear disc brake cylinder assembly. HINT: Tape the screwdriver tip before use. NOTICE: Be careful not to damage the inner surface of the cylinder or piston seal groove. |
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4. REMOVE REAR DISC BRAKE BLEEDER PLUG CAP
5. REMOVE REAR DISC BRAKE BLEEDER PLUG
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Inspection
INSPECTION PROCEDURE 1. CHECK BRAKE CYLINDER AND PISTON (a) Check the cylinder bore and piston for rust or scoring. If necessary, replace the disc brake cylinder and piston. 2. CHECK PAD LINING THICKN
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
PROCEDURE 1. TEMPORARILY INSTALL REAR DISC BRAKE BLEEDER PL
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE: When the brake pedal is first depressed after rep
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Memory *B w/ Pre-collision System *C for Triple Beam Headlight - - *1 FORWARD RECOGNITION CAMERA *2 OUTER MIRROR CONTROL ECU ASSEMBLY RH *3 OUTER MIRROR CONTROL ECU ASSEMBLY LH *4 ECM *5 BRAKE BOOSTER WITH MASTER CYLINDE
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION DTC B1794 is stored when a malfunction is detected in the occupant detection ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B1794 Open in Occupant Classification ECU Battery Positive Line One of the following conditions is met:
Occupant detection ECU
