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baios
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Joined: Jul 29, 2011
Posts: 159
Location: LAMIA GREECE
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 Posted: Sat Jan 23, 2016 8:55 am Post subject: master cylinder |
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Hi please help me with my brakes!!! the symptoms are:
my brake pedal hits the floor and my m38 needs more pressure (that i do not have) to stop. Then if i go under my m38 and tight the nut which is in the brake rod then i have perfect brakes.....BUT if i go the other day and take it for a ride and push the brakes then again the same problem .....the brake pedal goes to floor!!!!!!!
i check the brake fluind no leak.....then the wheels no leak...... see the master cylinder for leaks under my m38 no leaks...............
do u think i have a bad master cylinder?  |
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wesk
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Joined: Apr 04, 2005
Posts: 16265
Location: Wisconsin
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baios
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Joined: Jul 29, 2011
Posts: 159
Location: LAMIA GREECE
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| Posted: Sat Jan 23, 2016 11:01 am Post subject: |
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| yes after i have adjust the nut the brake pedal is ok and the brakes performs well. After i make some rides for few days then when i return to make the other day another ride the brame pedal hits the floor and no brakes only little.if i go to adjust the nut again then yes i have brakes |
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wesk
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Posts: 16265
Location: Wisconsin
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baios
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Joined: Jul 29, 2011
Posts: 159
Location: LAMIA GREECE
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| Posted: Sat Jan 23, 2016 11:37 am Post subject: |
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| as u know the nut has also another locknut so each time i adjust the nut i also put the locknut near the adjusting nut so not to change the position!!!! |
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wesk
Site Administrator
Joined: Apr 04, 2005
Posts: 16265
Location: Wisconsin
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| Posted: Sat Jan 23, 2016 2:27 pm Post subject: |
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If the length of the rod did not change between adjustments and the nut did not loosen then you need to investigate another source for the change in rod engagement. Your tub may be loose and moving relative to the location of the master cylinder. The master cylinder may be loose and moving relative to the push rod. The brake pedal shaft and linkage may be moving relative to the push rod. Or you may have an internal piston or residual valve issue inside the master cylinder. Eliminate the easier items first.
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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baios
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Joined: Jul 29, 2011
Posts: 159
Location: LAMIA GREECE
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| Posted: Sun Jan 24, 2016 12:01 am Post subject: |
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| ok thanks i think it is sth wrong inside the master cylinder i will take out the master cylinder and inspect it |
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