Nissan Pick-ups and Pathfinder 1989-1995

Master Cylinders

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All models are equipped with a brake master cylinder. In addition, those models equipped with a manual transmission also utilize a separate clutch master cylinder. Both master cylinders are located above the brake booster unit at the driver's side firewall.

FLUID RECOMMENDATIONS





Use only Heavy Duty Brake fluid meeting DOT 3 or SAE J1703 specifications.
 

FLUID LEVEL CHECK



See Figures 1, 2 and 3

The clutch master cylinder uses the same fluid as the brake system, and should be checked at the same time as the brake master cylinder.

The fluid in the brake and/or clutch master cylinders should be checked every 6 months or 6000 miles (9600 km). Check the fluid level on the side of the reservoir. If fluid is required, clean the area around the cap (to prevent the entry of dirt), then unscrew and remove the filler cap and gasket from the master cylinder. Fill the reservoir to the MAX line on the reservoir. Install the filler cap, making sure the gasket is properly seated in the cap.

It is normal for the fluid level in the brake master cylinder to fall as the disc brake pads wear. However, if the master cylinder requires filling frequently, you should check the system for leaks in the hoses, master cylinder, or wheel cylinders. Brake fluid dissolves paint. It also absorbs moisture from the air; never leave a container of fluid or either master cylinder uncovered any longer than necessary.



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Fig. Fig. 1: Check the master cylinder fluid levels here



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Fig. Fig. 2: Adding brake fluid to the brake master cylinder reservoir-use a funnel to avoid spills



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Fig. Fig. 3: Adding brake fluid to the clutch master cylinder reservoir-use a funnel to avoid spills

 
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