Toyota Pick-ups/Land Cruiser/4Runner 1970-1988

Master Cylinders

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All models utilize both a brake and a clutch master cylinder. Both 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, 3 and 4



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Fig. Fig. 1: Brake and clutch master cylinder locations-typical



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Fig. Fig. 2: Brake master cylinder assembly



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Fig. Fig. 3: Checking the brake master cylinder---note level indicator



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Fig. Fig. 4: Removing the brake master cylinder cap---do not remove the gasket

The fluid in the brake and/or clutch master cylinders should be checked every 6 months or 6,000 miles (9,600 km).

Check the fluid level on the side of the reservoir. If fluid is required, remove the filler cap and gasket from the master cylinder. Fill the reservoir to the full line in the reservoir. Install the filler cap, making sure the gasket is properly seated in the cap.

It is normal for the fluid level 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 or the master cylinder or the clutch cylinder uncovered any longer than necessary. The clutch master cylinder uses the same fluid as the brakes, and should be checked at the same time as the brake master cylinder.

 
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