They compress the brake fluid and push the brake shoes out against the brake drum stopping the vehicle.
The wheel cylinders are generally located inside the wheel drums on cars and trucks. They work the brake shoes.
There are 2 rubber seals on each end of the wheel cylinders and there leaking. REPLACE THE WHEEL CYLINDERS.
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Your 4.0 liter SOHC , V6 engine has ( 6 engine cylinders )
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I also have a 1980 Club car and the gentelman at the local golf shop said Pinto wheel cylinders would fit.
Wheel cylinders are in the rear drum brake between the shoes. The Engine's cylinders are in the engine block, under the cylinder head.
Brakes shoes are those parts that are located on the back of the brakes to help keep the drums and rotors in place. Some cars has wheel cylinders and others have brake shoes.
leaky wheel cylinders or calipers
Replace wheel cylinders
At the top of each of the wheel cylinders
there are bleeders on the wheel cylinders