2005 LEXUS ES300 Repair Manual

3211W-03
F41694
F41695
F41696
C80826
32-4
- BRAKEBRAKE FLUID
2438 Author
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
BRAKE FLUID (From July, 2003)
BLEEDING
HINT:
If any work is done on the brake system or if air in the brake lines is suspected, bleed the air from the system.
NOTICE:
Wash off the brake fluied immediately if it comes into contact with a painted surface.
1. FILL RESERVOIR WITH BRAKE FLUID
Fluid: SAE J1703 or FMVSS No. 116 DOT3
2. BLEED MASTER CYLINDER
HINT:
If the master cylinder has been disassembled or if the reservoir
becomes empty, bleed the air from the master cylinder.
(a) Remove the air cleaner assembly with hose.
(b) Disconnect the brake lines from the master cylinder.
SST 09023-00101
(c) Slowly depress the brake pedal and hold it.
(d) Block off the outer holes with your fingers, and release the
brake pedal.
(e) Repeat (c) and (d) 3 or 4 times.
(f) Install the air cleaner assembly with hose.
3. BLEED BRAKE LINE
(a) Connect the vinyl tube to the brake caliper.
(b) Depress the brake pedal several times, then loosen the
bleeder plug with the pedal held down.
(c) At the point when fluid stops coming out, tighten the
bleeder plug, then release the brake pedal.
(d) Repeat (b) and (c) until all the air in the fluid has been bled
out.
(e) Tighten the bleeder plug certainly.
Torque: 8.3 NVm (85 kgfVcm, 73 in.Vlbf)

G23361DLC3
Hand-held Tester
C80826
- BRAKEBRAKE FLUID
32-5
2439 Author
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
(f) Repeat the above procedure to bleed the air out of the
brake line for each wheel.
4. BLEED BRAKE ACTUATOR ASSY (W/ VSC)
NOTICE:
After performing the usual air bleeding in the brake system,
if the height or feel of the brake pedal cannot be obtained,
perform air bleeding in the brake actuator assy with a
hand-held tester by following procedures below.
(a) Depress the brake pedal more than 20 times with the en-
gine off.
(b) Connect the hand-held tester to the DLC3, then turn the
ignition switch to the ON position.
NOTICE:
Do not start the engine.
(c) Select ºAIR BLEEDINGº on the hand-held tester.
HINT:
Please refer to the Hand-Held Tester Operator's Manual for fur-
ther details.
(d) Bleed the air out of the regular brake line in ºStep1: In-
creaseº on the hand-held tester display.
NOTICE:

Perform the air bleeding by following the steps dis-
played on the hand-held tester.

Make sure that the brake fluid in the master cylinder
reservoir tank does not become empty.
(1) Connect the vinyl tube to either one of the bleeder
plugs.
(2) Depress the brake pedal several times, then loosen
the bleeder plug of one of the above wheels with the
pedal depressed.
(3) When fluid stops coming out, tighten the bleeder
plug, then release the brake pedal.
(4) Repeat (2) and (3) until all air in the fluid is complete-
ly bled out.
(5) Tighten the bleeder plug certainly.
Torque: 8.3 NVm (85 kgfVcm, 73 in.Vlbf)
(6) Repeat the above procedure to bleed the air out of
the brake line for each wheel.
(e) Bleed the air out of the suction line in ºStep2: Inhalationº
on the hand-held tester display.
NOTICE:

Perform the air bleeding by following the steps dis-
played on the hand-held tester.

Make sure that the brake fluid in the master cylinder
reservoir tank does not become empty.

32-6
- BRAKEBRAKE FLUID
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
(1) Connect the vinyl tube to the bleeder plug at the
right front wheel or the right rear wheel and loosen
the bleeder plug.
(2) Operate the brake actuator assy using the hand-
held tester to bleed the air.
NOTICE:

The operation stops automatically in 4 seconds.

At this time, be sure to release the brake pedal.
(3) Check that the operation has stopped, by referring
to the hand-held tester display.
(4) Repeat (2) and (3) until all the air in the fluid is com-
pletely bled out.
(5) Tighten the bleeder plug certainly.
Torque: 8.3 NVm (85 kgfVcm, 73 in.Vlbf)
(6) For the rest of the wheels, bleed the air in the same
way as stated in the above procedure.
(f) Bleed the air out of the pressure reduction line in ºStep3:
Decreaseº on the hand-held tester display.
NOTICE:

Perform air bleeding by following the steps displayed
on the hand-held tester.

Make sure that the brake fluid in the master cylinder
reservoir tank does not become empty.
(1) Connect a vinyl tube to either one of the bleeder
plugs.
(2) Loosen the bleeder plug.
(3) Using the hand-held tester, operate the brake ac-
tuator assy using hand-held tester, completely de-
press the brake pedal and keep it.
NOTICE:

The operation stops automatically in 4 seconds.
When performing this procedure continuously, an in-
terval of at least 20 seconds is required.

When the operation is completed, the brake pedal
slightly goes down. This is a normal phenomenon
caused when the solenoid opens.

During this procedure, the pedal seems heavy, but
completely depress it so that the brake fluid comes
out from the bleeder plug.

Be sure to keep depressing the brake pedal. Never
depress and release the pedal repeatedly.
(4) Tighten the bleeder plug, then release the brake
pedal.
(5) Repeat (2) to (4) until all the air in the fluid is com-
pletely bled out.
(6) Tighten the bleeder plug certainly.
Torque: 8.3 NVm (85 kgfVcm, 73 in.Vlbf)
(7) Repeat the above procedure to bleed the air out of
the brake line for each wheel.

C80826
F41007
- BRAKEBRAKE FLUID
32-7
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
(g) Bleed the air out of the regular brake line again in ºStep4:
Increaseº on the hand-held tester display.
NOTICE:

Perform air bleeding by following the steps displayed
on the hand-held tester.

Make sure that the brake fluid in the master cylinder
reservoir tank does not become empty.
(1) Connect the vinyl tube to either one of the bleeder
plug.
(2) Depress the brake pedal several times, then loosen
the bleeder plug of one of the above wheels with the
pedal depressed.
(3) When fluid stops coming out, tighten the bleeder
plug, then release the brake pedal.
(4) Repeat (2) and (3) until all the air in the fluid is com-
pletely bled out.
(5) Tighten the bleeder plug certainty.
Torque: 8.3 NVm (85 kgfVcm, 73 in.Vlbf)
(6) Repeat the above procedure to bleed the air out of
the brake line for each wheel.
5. CHECK FLUID LEVEL IN RESERVOIR
(a) Check the fluid level and add fluid if necessary.
Fluid: SAE J1703 or FMVSS No. 116 DOT3

320DV-02
F41697
Stop Lamp
Switch
Push Rod
Pedal Height
32-8
- BRAKEBRAKE PEDAL SUPPORT ASSY
2442 Author
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
BRAKE PEDAL SUPPORT ASSY
ADJUSTMENT
1. CHECK AND ADJUST BRAKE PEDAL HEIGHT
(a) Inspect brake pedal height.
Pedal height from asphalt sheet:
144.1 - 154.1 mm (5.673 - 6.067 in.)
(b) Adjust brake pedal height.
(1) Remove the instrument panel finish panel sub-
assy lower and instrument panel insert sub-assy
lower LH.
(2) Disconnect the connector from the stop lamp
switch.
(3) Loosen the stop lamp switch lock nut and remove
the stop lamp switch.
(4) Loosen the clevis lock nut.
(5) Adjust the pedal height by turning the pedal push
rod.
(6) Tighten the push rod lock nut.
Torque: 26 NVm (265 kgfVcm, 19 ftVlbf)
(7) Install the stop lamp switch.
(8) Connect the connector to the stop lamp switch.
(9) Push the brake pedal in 5 - 10 mm (0.20 - 0.39 in.),
turn the stop lamp switch to lock the nut in the posi-
tion where the stop lamp goes off.
(10) After installation, push the brake pedal in 5 - 10 mm
(0.20 - 0.39 in.), check that stop lamp lights up.
(11) Install the instrument panel insert sub-assy lower
LH and instrument panel finish panel sub-assy low-
er.

F41698
Pedal Free play
R00934
Pedal Reserve
Distance
- BRAKEBRAKE PEDAL SUPPORT ASSY
32-9
2443 Author
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
2. CHECK PEDAL FREE PLAY
(a) Stop the engine and depress the brake pedal several
times until there is no more vacuum left in the booster.
(b) Push in the pedal until the beginning of the resistance is
felt. Measure the distance, as shown.
Pedal free play: 1 - 6 mm (0.04 - 0.24 in.)
If incorrect, check the stop lamp switch clearance.
If the clearance is OK, then troubleshoot the brake system.
Stop lamp switch clearance:
0.5 - 2.5 mm (0.020 - 0.098 in.)
3. CHECK PEDAL RESERVE DISTANCE
(a) Release the parking brake pedal.
With engine running, depress the pedal and measure the
pedal reserve distance, as shown.
Pedal reserve distance from asphalt sheet at 490 N
(50 kgf, 110.2 lbf): More than 70 mm (2.76 in.)
If incorrect, troubleshoot the brake system.

320DW-02
F42132
Brake Pedal Support
Stop Lamp
Switch Assy
Lock Nut


Brake Pedal Bush


Brake Pedal Bush Stop Light Switch Cushion
Brake Pedal
Push Rod Pin Brake Pedal Return Spring
Clip
Brake Pedal Pad

Non-reusable part
NVm (kgfVcm, ftVlbf) : Specified torque
Lithium soap base glycol grease
26 (265, 19)
37 (375, 27)
13 (130, 9)
13 (130, 9)
20 (204, 15)
32-10
- BRAKEBRAKE PEDAL SUPPORT ASSY
2444 Author
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
COMPONENTS

320DX-02
- BRAKEBRAKE PEDAL SUPPORT ASSY
32-1 1
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2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
OVERHAUL
1. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY (SEE PAGE 71-1 1)
2. REMOVE INSTRUMENT PANEL REINFORCEMENT (SEE PAGE 71-1 1)
3. REMOVE BRAKE PEDAL RETURN SPRING
4. REMOVE PUSH ROD PIN
(a) Remove the clip and push rod pin.
5. REMOVE BRAKE PEDAL SUPPORT ASSY
(a) Disconnect the stop lamp switch connector.
(b) Remove the bolt, 4 nuts and brake pedal support assy.
6. REMOVE STOP LAMP SWITCH ASSY
(a) Loosen the lock nut and remove the stop lamp switch.
7. REMOVE BRAKE PEDAL SUB-ASSY
(a) Remove the nut, bolt and brake pedal sub-assy from brake pedal support assy.
8. REMOVE BRAKE PEDAL PAD
9. REMOVE BRAKE PEDAL BUSH
(a) Remove the 2 brake pedal bushes from brake pedal.
10. REMOVE STOP LAMP SWITCH CUSHION
11. INSTALL STOP LAMP SWITCH CUSHION
12. INSTALL BRAKE PEDAL BUSH
(a) Install the new 2 brake pedal bushes to brake pedal.
HINT:
Apply the lithium soap base glycol grease to the parts indicates by arrows (see page 32-10).
13. INSTALL BRAKE PEDAL PAD
14. INSTALL BRAKE PEDAL SUB-ASSY
(a) Install the brake pedal sub-assy with the bolt and nut.
Torque: 37 NVm (375 kgfVcm, 27 ftVlbf)
15. INSTALL STOP LAMP SWITCH ASSY
(a) Install the stop lamp switch with the lock nut.
Torque: 26 NVm (265 kgfVcm, 19 ftVlbf)
16. INSTALL BRAKE PEDAL SUPPORT ASSY
(a) Install the brake pedal support assy with the bolt and 4 nuts.
Torque:
Bolt: 20 NVm (204 kgfVcm, 15 ftVlbf)
Nut: 13 NVm (130 kgfVcm, 9 ftVlbf)
17. INSTALL PUSH ROD PIN
(a) Install the push rod pin and clip.
HINT:
Apply the lithium soap base glycol grease to the parts indicates by arrows (see page 32-10).
18. INSTALL BRAKE PEDAL RETURN SPRING
19. INSTALL INSTRUMENT PANEL REINFORCEMENT (SEE PAGE 71-1 1)
20. INSTALL INSTRUMENT PANEL SAFETY PAD SUB-ASSY (SEE PAGE 71-1 1)
21. CHECK AND ADJUST BRAKE PEDAL HEIGHT (SEE PAGE 32-8)
22. CHECK PEDAL FREE PLAY (SEE PAGE 32-8)
23. CHECK PEDAL RESERVE DISTANCE (SEE PAGE 32-8)