1. DISPOSE OF BACK DOOR STAY ASSY LH

(a) Horizontally fix the stay in a vise with the piston-rod pulled out.
(b) Wearing safety glasses, gradually cut a part between A and B (shown in the illustration) using a metal saw to gradually release the gas.
Specification:

CAUTION: Be careful to cover the area that is being cut as there is a possibility that metal debris could be blown out by the gas (the gas is colorless, odorless and harmless).
ReplacementOn-vehicle inspection
1. INSPECT BRAKE BOOSTER
(a) Airtightness check.
Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
HINT:
If the pedal can be depressed (to the floor) the first time, but
cannot be depressed as far on the 2nd or 3rd time, the boost ...