2000 Honda Accord

Tiny
MSANTIAGO
  • 2000 HONDA ACCORD
  • 4 CYL
  • 4WD
  • MANUAL
  • 133,000 MILES

I changed my master cylinder and the slave cylinder and I still have a loose pedal and it wont shift. What can be wrong?

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Saturday, January 8th, 2011 AT 2:39 AM

16 Replies

Tiny
MSANTIAGO
  • MEMBER

I also bleeded both of the cylinder and still with a loose clutch, what can be wrong?

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Saturday, January 8th, 2011 AT 2:41 AM
Tiny
MHPAUTOS
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Do you have good pedal pressure?

Mark (mhpautos)

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Saturday, January 8th, 2011 AT 5:27 AM
Tiny
MSANTIAGO
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No I dont, the clutch pedal has no pressure at all.

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Saturday, January 8th, 2011 AT 2:51 PM
Tiny
MHPAUTOS
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You must still have air in the system, can you see air when you bleed the clutch?

Mark (mhpautos)

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Saturday, January 8th, 2011 AT 3:32 PM
Tiny
MSANTIAGO
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No, oil comes up but not alot just a tiny bit. Could it be that I have to adjust the clutch pedal?

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Saturday, January 8th, 2011 AT 3:43 PM
Tiny
KHLOW2008
  • EXPERT
  • 42,008 POSTS

You must have sufficient clearance between the pedal and master cylinder push rod. If there is insufficient clearance, the master cylinder piston would not return fully and prevent fluid from going into system to bleed the air out.

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Saturday, January 8th, 2011 AT 5:46 PM
Tiny
MSANTIAGO
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Whats clearance? I know its not pumping the air out, cause it has no strength, but do I just adjust it?

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Saturday, January 8th, 2011 AT 6:40 PM
Tiny
KHLOW2008
  • EXPERT
  • 42,008 POSTS

Perform the following and then bleed the system again.

CLUTCH PEDAL & CLUTCH PEDAL POSITION SWITCH ADJUSTMENT
NOTE:
The clutch is self-adjusting to compensate for wear.
If there is no clearance between the master cylinder piston and push rod, the release bearing is held against the diaphragm spring, which can result in clutch slippage or other clutch problems.

1. Loosen locknut (A), and back off the clutch switch (B) (or adjusting bolt) until it no longer touches the clutch pedal (C).

2. Loosen locknut (D), and turn the push rod (E) in or out to get the specified stroke (F) and height (G) at the clutch pedal.

? Clutch Pedal Stroke: 141-151 mm (5.6-5.9 in.)
? Clutch Pedal Height: 190 mm (7.5 in.)

3. Tighten locknut (D).

4. Turn the clutch switch (B) in until it contacts the clutch pedal (C).

5. Turn the clutch switch (B) in an additional 3/4 to 1 turn.

6. Tighten locknut (A).

7. Loosen locknut (H) and the clutch interlock switch (I).

8. Press the clutch pedal to the floor.

9. Release the clutch pedal 15-20 mm (0.59-0.79 in.) From the fully pressed position, and hold it there. Adjust the position of the clutch interlock switch (I) so that the engine will start with the clutch pedal in this position.

10. Tighten locknut (H).

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Saturday, January 8th, 2011 AT 6:57 PM
Tiny
MSANTIAGO
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Thanks ill let u know how it turns out!

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Saturday, January 8th, 2011 AT 7:06 PM
Tiny
KHLOW2008
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You're welcome.

Have a nice day.

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Saturday, January 8th, 2011 AT 7:21 PM
Tiny
MSANTIAGO
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Hey, it didn't work. The pedal still have no presure and when I pump it it brings oil and air at the same time, but the lines are fine, I don't see a leak? Don't understand whats going on!

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Saturday, January 8th, 2011 AT 9:29 PM
Tiny
MHPAUTOS
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I must still be drawing air in from a faulty master or slave, that is about all I can think it can be, if you have checked the pedal clearance.

Mark (mhpautos)

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Saturday, January 8th, 2011 AT 10:50 PM
Tiny
KHLOW2008
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  • 42,008 POSTS

If the master cylinder was not bench bled, it is not going to be easy to bleed it. Since air is still being pumped out, you would need to perform the bleeding again till no air is present. Try it with slow strokes of the pedal. Recheck the joints for leakages and if all fails, as mhpautos mentioned, it could be a faulty master cylinder.

New master cylinders are known to fail and if it was not bench bled, constant and prolonged pumping of the master cylinder can damage the seals.

Was bleeding procedures done correctly?

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Sunday, January 9th, 2011 AT 5:29 AM
Tiny
MSANTIAGO
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I changed the master and the slave again and nothing seems to work! I bleeded good and nothing works.

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Sunday, January 9th, 2011 AT 9:19 PM
Tiny
KHLOW2008
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  • 42,008 POSTS

Recheck the master cylinder push rod adjustment. The push rod should be free without any resistance when pedal is not depressed.

How was the bleeding process performed?

Get a vynl tube and plug it into the slave cylinder bleeder and lift up the tube with bleeder opened. Top up the fluid in master cylinder and allow the fluid to flow down. Wait 30 minutes before you start bleeding. Before bleedig the system, try pushing the pedal a few tiems with slow strokes to get air out.

Don't forget to put the end of vyny tube in a container to prevent fluid from spilling.

Seems when air is in system, either you allow sufficient fluid into the system or you would need to pressurise the system to get the air out.

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Sunday, January 9th, 2011 AT 10:41 PM
Tiny
MSANTIAGO
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Ok I will try to do this tomorrow!Let u know how it turns out. Thank you

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Sunday, January 9th, 2011 AT 11:37 PM

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