How to Bleed a Clutch in a 1991 Ford Ranger

by Dan Ferrell
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The hydraulic clutch system in your 1991 Ford Ranger is very similar to its brake system in operation. In this case, the clutch pedal is used to release and engage the clutch. And just like the brake system, you need to bleed the clutch system after replacing one of its main components or whenever you detect air inside. Fortunately, the clutch mechanism provides a way for you to bleed the air at home using a few simple tools.

Step 1

Locate the clutch master cylinder reservoir. Follow the pushrod connected to the upper part of the clutch pedal underneath the dashboard of your Ranger. The pushrod connects to the master cylinder, which goes through the firewall, right in front of the pedal. From the engine bay, the master cylinder has an upper line that goes directly to the cylinder reservoir. The bottom line goes through the transmission bell housing to connect with the salve cylinder. Above this line, at the bell housing, you will see the clutch system bleeder screw.

Step 2

Clean the cylinder reservoir of grease and dirt with a shop rag. Remove the cap and diaphragm underneath. Top the reservoir with new C6AZ-19542-AA or C6AZ-19542-BA brake fluid.

Step 3

Install 1-foot vinyl tubing over the small valve on top of the clutch bleeder screw. The tubing should fit snugly over the valve.

Step 4

Insert the other end of the vinyl tubing into a clear plastic container.

Step 5

Loosen the bleeder screw with an open-end wrench and watch the fluid go through the vinyl tubing. When you see a continuous stream of brake fluid going through the vinyl tubing, tighten the bleeder screw. During this step, ask an assistant to keep the fluid in the cylinder reservoir up to the “Full” level by adding C6AZ-19542-AA or C6AZ-19542-BA brake fluid when necessary.

Step 6

Ask your assistant to depress the clutch pedal to the floor for 2 seconds and release the pedal as quickly as possible. Wait for 2 seconds and repeat this step again 10 times.

Step 7

Check the fluid level in the reservoir and add if necessary.

Step 8

Repeat steps 6 and 7 five times.

Step 9

Replace the diaphragm and tighten the reservoir cap.

Step 10

Ask your assistant to depress the clutch pedal to the floor and hold it in that position.

Step 11

Loosen the clutch bleeder screw just enough to let out any trapped air. Tighten the bleeder screw and remove the clear vinyl tubing.

Step 12

Start the engine, make sure the clutch works properly and turn off the engine.

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