Nissan Stanza/200SX/240SX 1982-1992 Repair Guide

Brake and Clutch Master Cylinder



See Figure 1

When adding or changing the fluid in the systems, use a quality brake fluid of the DOT 3 specifications.

Never reuse old brake fluid.

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Fig. Fig. 1: Brake and clutch fluid master cylinders


See Figures 2, 3 and 4

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Fig. Fig. 2: Unscrew the cap from the top of the brake master cylinder

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Fig. Fig. 3: A filter helps keep contaminants from entering the brake hydraulic system

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Fig. Fig. 4: Add only clean brake fluid from a sealed container

The brake and clutch master cylinders are located under the hood, in the left rear section of the engine compartment. They are made of translucent plastic so that the levels may be checked (check fluid level periodically) without removing the tops. The fluid level in both reservoirs must be checked at least every 15,000 miles or 12 months. The fluid level should be maintained at the upper most mark on the side of the reservoir. Any sudden decrease in the level indicates a possible leak in the system and should be checked out immediately.

Some models may have two reservoirs for the brake master cylinder, while other models (those with an automatic transmission/transaxle) will not have a clutch master cylinder at all.

When making additions of brake fluid, use only fresh, uncontaminated brake fluid meeting or exceeding DOT 3 standards. Be careful not to spill any brake fluid on painted surfaces, as it eats the paint. Do not allow the brake fluid container or the master cylinder reservoir to remain open any longer than necessary. Brake fluid absorbs moisture from the air, reducing its effectiveness and causing corrosion in the lines.