Question about Ford F-150

7 Answers

Power clutch f 150 ford no clutch canot shift. newer installed.

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  • 5 more comments 
  • rimoan Mar 04, 2009

    i have a 90 f150 truck.
    the power clutch will not allow for shifting.
    how do you bleed.
    ther is no bleeding vavle.

  • rimoan Mar 04, 2009

    you didnt state how to bleed.

    90 ford f 150

  • rimoan Mar 04, 2009

    how do you bleed a 90 ford f 150 power clutch.

  • rimoan Mar 04, 2009

    it is struck in place.

  • rimoan Mar 05, 2009

    do anyone know how to bleed a power clutch for a 1990 f150 ford truck?
    please list the steps to take.

  • rimoan Mar 05, 2009

    this booster do not have a bleeder screw.

    this is the power type.

    it goe from the cylinder direct to the clutch housing.

  • rimoan Mar 05, 2009

    the yeay is 1990 model

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7 Answers

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  • Ford Master
  • 783 Answers

It depends on the type of slave cylinder you have concentric or external.The proceedure is different for both.
Concentric:
Bleed Procedure, Concentric Slave Cylinder

4.9L, 5.0L and 5.8L Gasoline Engines
Under normal conditions, disconnecting the clutch coupling will not introduce air into the system. However, if there appears to be air in the system (spongy pedal, or insufficient bearing travel) the system must be bled. The following procedure is used with the hydraulic system installed on the vehicle. The largest portion of bleeding is carried out by gravity.
1. Clean dirt and grease from the cap.

2. Remove cap and diaphragm and fill reservoir to the top with approved brake fluid only. Brake fluid must be certified to DOT 3 specification.
NOTE:
To keep brake fluid from entering the clutch housing, route a suitable rubber tube of appropriate inside diameter from the bleed screw to a container.

3. Loosen bleed screw (located in the slave cylinder body) next to the inlet connection.

4. Fluid will now begin to move from the master cylinder down the tube to the slave cylinder.


NOTE:
The reservoir must be kept full at all times to ensure no additional introduction of air into the system.

5. It will be noticeable at this point, that bubbles will appear at the bleed screw outlet. This means that air is being expelled. When the slave is full, a steady flow of fluid will come from the slave outlet. Tighten bleed screw. NOTE: Maintain brake fluid level at the step in the reservoir at all times.

6. Depress the clutch pedal to the floor and hold for 1-2 seconds. Release pedal as rapidly as possible. Pedal must be released completely. Pause for 1-2 seconds. Repeat ten times.

7. Check fluid level in reservoir. The fluid should be level with the step when the diaphragm is removed.

8. Repeat Steps 6 and 7 five times. Replace reservoir diaphragm and cap.

9. Hold pedal to floor, crack open bleed screw to allow any additional air to escape. If bleed screw is opened too far, fluid will spray out. Close screw then release pedal.

10. Check fluid level. The hydraulic system should now be fully bled and should release the clutch.

External:
Bleed Procedure for External Slave Cylinder

7.3L Diesel and 7.5L Gas or 4.9L and 5.0L with T-18 (Four Speed) Transmission
1. Clean reservoir cap and slave cylinder in area of the tube connection.

2. Remove slave cylinder from the transmission bell housing.

3. Use a 3/32-inch diameter punch to drive out the pin that holds the tube. Remove the tube from the slave cylinder and place the tube end into a container for waste fluid. The tube will still be connected to the master cylinder, so keep the reservoir cap tight to minimize fluid loss.

4. Hold slave cylinder so that connector port is at highest point, by tipping the cylinder to approximately 30 degrees. Fill with approved Dot 3 brake fluid through connector port. It may be necessary to "rock" slave cylinder around or push gently on the pushrod to expel all the air. Pushing on pushrod too hard will cause fluid to spray out of the connector hole. Cleanliness is very important. Be sure not to let any moisture or foreign matter enter the slave with the brake fluid.

5. When all the air has been expelled from the slave cylinder and no more bubbles come out of the port hole, reinstall the slave cylinder back on the vehicle.


NOTE:
Some fluid will be expelled from the connector port, as the pushrod is compressed attaching it to the transmission and lever.

6. Gravity fill the master cylinder and tube as follows. Remove the reservoir cap and diaphragm. Fluid should flow out the open end of the tube into the waste container. Be sure to keep the reservoir full. When fluid is flowing out in a steady, uninterrupted flow and fluid is level with step in reservoir, reinstall the cap and diaphragm. Install end of tube into slave cylinder. Replace pin that holds tube to slave cylinder body.

7. System should now be bled and functioning properly. To verify proper system function, set parking brake and put vehicle in neutral. Start vehicle and shift into reverse gear. If gears grind, other components may be causing the concern. Check the slave cylinder pushrod travel as detailed in this section.

Alternate Method
1. Gravity bleed the system in place.

2. From under the vehicle, with the slave cylinder bleed port closed, push the external part of the release lever toward the front of the vehicle slowly, and release. Repeat this cycle several (10-15) times until you no longer hear bubbles in the master cylinder.
NOTE:
If the release lever cannot be moved toward the front of the vehicle, the master cylinder lever is incorrectly set. Replace lever (7A552). Refer to hydraulic master cylinder pushrod adjustment procedure.

Posted on Mar 05, 2009

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  • 164 Answers

What year is the ford?
Here is a location for help because without the year, I can't do much to help you.

This subscription will provide you with the latest revisions to service procedures, specifications and parts for Ford, Lincoln and Mercury vehicles.
It includes access to all TSBs from 1994 to present and an advanced multi-option search engine, which allows you to search by Vehicle Identification Number (VIN), symptom code or article number.

http://www.fordvehicles.com/help

Posted on Mar 05, 2009

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  • 75 Answers

F150 power clutch

Posted on Mar 04, 2009

  • Charles Stillwell
    Charles Stillwell Mar 04, 2009

    so it has a hydraulic clutch.there is a slave cylinder located in the bell housing there is a bnleeder valve just like a brake bleeder.fill clutch resevoir.pump clutch.hold to floor,open valve.repeat until you build clutch pressure.

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  • Master
  • 916 Answers

Can you move it at all or is it stuck in place? Does it feel like it may be caught?

Posted on Mar 04, 2009

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  • Master
  • 8,619 Answers

Hi!

When you replaced the clutch did you also replaced the slave cylinder and flushed the system? This could be due to low or contaminated fluid.
Check the engine for vacuum leaks.

Posted on Mar 04, 2009

  • 1 more comment 
  • Rylee Smith
    Rylee Smith Mar 04, 2009

    Also check for clutch safety switch near the upper end of the clutch pedal under dash area.



    Please ask for further clarifications.



    Thanks

    Rylee

  • Rylee Smith
    Rylee Smith Mar 04, 2009

    The easiest way is with 2 people. The bleeder screw is an 8mm. It is on the driver side of the tranny above where the line goes into the tranny. Use a clear hose attached to the tube. Have the second person pump the pedal a few times and on the last one keep the pedal fully depressed. When it is depressed open the bleeder valve with the wrench and allow the fluid to flow down the tube. You will need a jar or container for the fluid to drain into. Then tighten the screw and repeat the process of pumping and hold then unscrew etc... Do this till there is no more ail bubbles coming out of the tube.

    Be sure to keep the fluid reservoir full or it will **** in air. Make sure you never release the clutch pedal with the bleeder valve open. It make 10-15 times before all the air is out.

    Last thing is ordering a new slave cylinder.

  • Rylee Smith
    Rylee Smith Mar 04, 2009

    Make sure when you fill the master cylinder that you remove the rubber cup/gasket from inside. Sometimes we fill that up and that is why the clutch doesn't work.

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  • Ford Master
  • 19,396 Answers

If the clutch is newly installed this can be the clutch disk not well installed and slightly dislodged.

Contact back the mechanic that replaced the clutch and have the problem fixed.

Posted on Mar 04, 2009

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  • Master
  • 5,158 Answers

Does it move at all ?

Posted on Mar 04, 2009

  • Roberta Smith
    Roberta Smith Mar 04, 2009

    you bleed that the same as you do the brakes... there should be a bleeder screw/nut on the cylinder. if it does not function proper ensure that the rod going into the throwout bearing is positioned properly.

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