RDX AWD L4-2.3L Turbo (2010)
7. Turn the ignition switch to LOCK (0), and wait 30 seconds. Press the brake pedal several times using normal pressure. When the pedal is first
pressed, it should be low. On consecutive applications, the pedal height should gradually rise.
-
If the pedal position does not vary go to step 9.
-
If the pedal position varies, replace the brake booster vacuum hose/check valve (intake manifold) assembly.
8. Remove the clamp from the brake booster vacuum hose.
9. Start the engine, and pinch off the booster vacuum hose between the 3-way joint and the electric vacuum pump.
10. Turn the ignition switch to LOCK (0), and wait 30 seconds. Press the brake pedal several times using normal pressure. When the pedal is first
pressed, it should be low. On consecutive applications, the pedal height should gradually rise.
-
If the pedal position does not rise, inspect the seal between the master cylinder and booster. If the seal is OK, replace the brake booster.
-
If the pedal position varies, inspect the vacuum hose between the 3-way joint and the electric vacuum pump check valve. If the hose is OK,
replace the vacuum hose/check valve (vacuum pump).
