Toyota Tundra (2015 year). Manual — part 189
Last Modified: 9-16-2014
6.6 K
Doc ID: RM000001JNA00KX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE: BRAKE BOOSTER: COMPONENTS; 2015 MY Tundra [08/2014 - ]
COMPONENTS
ILLUSTRATION
BRAKE: BRAKE BOOSTER: COMPONENTS; 2015 MY Tundra [08/...
Last Modified: 9-16-2014
6.6 G
Doc ID: RM000001JNC00KX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE: BRAKE BOOSTER: ON-VEHICLE INSPECTION; 2015 MY Tundra [08/2014 - ]
ON-VEHICLE INSPECTION
1. INSPECT BRAKE BOOSTER
(a) OPERATING CHECK
(1) Depress the brake pedal several times with the engine off and check that there is no change in the
pedal reserve distance.
(2) Depress the brake pedal and start the engine. If the pedal goes down slightly, operation is normal.
(b) AIRTIGHTNESS CHECK
(1) Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
If the pedal goes down farthest the 1st time, but gradually
rises after the 2nd or 3rd time, the booster is airtight.
(2) Depress the brake pedal while the engine is running, and
stop the engine with the pedal depressed. If there is no
change in the pedal reserve travel after holding the pedal for
30 seconds, the booster is airtight.
2. CHECK BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Check the check valve.
(1) Slide the clip and disconnect the vacuum hose.
(2) Remove the check valve from the booster.
(3) Check that there is ventilation from the booster to the
engine, and no ventilation from the engine to the booster.
If the results are not as specified, replace the check valve
assembly.
BRAKE: BRAKE BOOSTER: ON-VEHICLE INSPECTION; 2015 MY...
Last Modified: 9-16-2014
6.6 A
Doc ID: RM000001JNB00LX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE: BRAKE BOOSTER: REMOVAL; 2015 MY Tundra [08/2014 - ]
REMOVAL
NOTICE:
Release the vacuum from the booster by depressing the brake pedal several times. then remove the brake
master cylinder sub-assembly from the brake booster assembly.
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the
battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal
notice before proceeding with work
.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the
SRS system.
3. DRAIN BRAKE FLUID
NOTICE:
Immediately wash off any brake fluid that comes into contact with any painted surfaces.
4. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY
(a) Remove the brake master cylinder
.
5. DISCONNECT VACUUM HOSE ASSEMBLY
(a) Slide the clip and disconnect the vacuum hose from the check valve.
6. DISCONNECT BRAKE BOOSTER CONNECTOR
(a) Disconnect the 2 brake booster connectors from the brake booster.
7. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY
(a) Remove the lower No. 1 instrument panel airbag assembly
.
8. REMOVE PUSH ROD PIN
(a) Remove the clip and push rod pin.
9. REMOVE BRAKE BOOSTER ASSEMBLY
BRAKE: BRAKE BOOSTER: REMOVAL; 2015 MY Tundra [08/2014 - ...
(a) Remove the 4 nuts, and then pull out the brake booster.
(b) Remove the brake booster gasket from the brake booster.
(c) Loosen the lock nut and then remove the clevis.
10. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY
BRAKE: BRAKE BOOSTER: REMOVAL; 2015 MY Tundra [08/2014 - ...
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