Vacuum Power Brake Booster for 1996-00 Toyota 4Runner SR5 Sport V6 3.4L

NOTICE:

- Please double confirm the compatibility as well as the OEM number before purchasing.

- Instruction is not included. Professional installation is Needed for this part.

- Contact us please for whatever we can help.

FEATURES:

1) All parts are hand inspected off the line before packaging and once again by our team before shipment.
2) According to the original factory specifications.
3) Perfect match for the original car.
4) Stable characteristics, high reliability.

5) Aftermarket Products with Premium Quality

Warranty：

2 Year Warranty

Manufacturer Part Numbers:

446103D700 R2518306, 532727

Fitments

1996 - 2000 Toyota 4Runner

Package ：

1x Brake Booster

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Vacuum booster is mainly hydraulic vacuum booster.
The hydraulic vacuum booster is powered by the hydraulic pressure generated by the master cylinder.
So it can be installed anywhere between the master cylinder and the wheel cylinder.

Working principle:
A vacuum booster works by drawing in air as the engine is working, creating a vacuum on one side of the booster,
The differential pressure relative to the normal air pressure on the other side is used to enhance the braking thrust.

Symptoms of a Failing Power Brake Booster:
When vacuum booster is damaged, it should be replaced as a whole.
Stiff brake pedal that is extremely hard to push
Longer stopping distance
Engine stalls when brakes are applied

Prior to replacing your Power Brake Booster:
Ensure the Vacuum Hose is properly connected and not loose
Check the Vacuum Hose for a blockage or leak
Inspect the Check Valve for cracks, looseness or damage

Testing your Power Brake Booster:
With the engine off, pump the brakes 5-6 times
Turn the engine on while pushing down lightly on the brake pedal
If your brake booster is working, the pedal will sink down about ”
If your brake booster is not working, nothing will happen or the brake pedal will push back against your foot