When adding fluid to the brake master cylinder, always use Delco Supreme fluid part no. 1052535 or equivalent DOT-3 brake fluid from a clean, sealed container.
See Figures 1, 2, 3 and 4
Once a month, the fluid level in the brake master cylinder should be checked.
- Park the car on a level surface.
- Clean off the master cylinder cover before removal.
- On early models without a filler cap, the cover simply snaps onto the master cylinder body. Use your thumbs to press up on the two tabs on the side of the cover to unsnap it. Later model master cylinders have a fill cap.
- Remove the cover or cap, being careful not to drop or tear the rubber diaphragm underneath. Be careful also not to drip any brake fluid on painted surfaces; the stuff