Vacuum Brake Booster: Service and Repair

REMOVAL





Grease points

Removal Service Point
Brake Booster Removal <2.0L - Engine (Turbo) and 2.4L - Engine>

Remove Brake Booster:

Slide the engine forward and remove the brake booster from the body.

INSTALLATION
Installation Service Points
>A< Vacuum Hose Connection

Install Vacuum Hose:

1. Install the vacuum hose to the brake booster nipple as shown in the figure. Secure the hose with the hose clip.

Caution:
1. The check valve and the pipe part of the brake booster must not contact each other.
2. Connect so that the marking faces upwards.

2. Install the other end of the vacuum hose fully onto its port on the engine. Secure the hose using the hose clip.

>B< Clearance Adjustment Between Brake Booster Push Rod And Primary Piston





1. Attach the special tool to the master cylinder.
2. Place the shaft of the special tool gently against the piston of the master cylinder.
3. Turn the wing bolt to secure the shaft.





4. Use a hand vacuum pump to apply -66.7 kPa (9.7 psi) of negative pressure to the brake booster.
5. Turn the special tool upside down and attach it so that it is offset from the center of the brake booster.





6. Slide the special tool toward the center of the brake booster. Verify that the projection of the shaft comes into contact with the end of the pushrod of the brake booster as shown in drawing A.
If the state is as shown in drawings B and C on the left, adjust the pushrod length with the following steps to achieve the state shown in A.
B: If the pushrod contacts any portion of the shaft other than its projection, shorten the pushrod.
C: If the pushrod does not contact the shaft, lengthen the pushrod.