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Author Topic: bluebird brake master cylinder rebuild?  (Read 1363 times)
chuttla
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« on: June 25, 2012, 05:31:04 AM »

just wondering if any of you guys know if a rebuild kit is available for the standard girlock brake master cylinder?
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2001 WR426F
1984 bluebird TRX SR20DET
1963 vw baja project, for sale
Dattonut
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CA18det.


« Reply #1 on: June 25, 2012, 01:21:15 PM »

My local Brake & Clutch specialist had one on the shelf when he did mine about 4 years ago. The main problem was the internal return spring had corroded and broken which didn't let the m/c refill properly, letting the front calipers run out of fluid when I tried to bleed them. The kit didn't include that spring & he bought another m/c from the wreckers just for the spring. Moral: if you get a kit, inspect that spring. If it is rusty, it may fail when you bleed the brakes pushing the pedal all the way to the floor, compressing the spring fully - something it hasn't had to suffer for a very long time.
The kit was about $110, slightly discounted because of the old, dusty box it was in. If Nissan doesn't stock one, try a Girlock brake specialist.
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S3TRX CA18DET
chuttla
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« Reply #2 on: June 25, 2012, 05:30:37 PM »

cool thanks, i was thinking around $60 mark?, might just be worth getting a complete new unit.
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2001 WR426F
1984 bluebird TRX SR20DET
1963 vw baja project, for sale
MUC
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« Reply #3 on: June 26, 2012, 11:39:38 PM »

When you bleed brakes tape a 20mm thick block of wood to the under side of the brake peddal TO STOP THE PEDAL HITING THE FLOOR.

  The reason for this is we have old cars and a lot of the masters have been resleeved with rear hole enlarged. if you fail to do this the master strokes further than it does in it its braking cycle and the rear hole  travels past the last seal making fluid leak out the back of the master. This of course makes you panick and race down and buy another one or have yours repaired fro no reason.

A lot of cars even from new have to be blead at under full stoke to prevent real seal leaks.
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chuttla
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« Reply #4 on: June 27, 2012, 12:00:17 AM »

thats cool, i have an air bleeder.
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2001 WR426F
1984 bluebird TRX SR20DET
1963 vw baja project, for sale
MUC
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« Reply #5 on: June 27, 2012, 03:30:57 AM »

What air bleader do you have . i have a 500ml  bleader , white with red lid cant remenber what brand but since i changed the fluid in some rusty old fords it no longer works . cleaned orings etcstill no good . release valve keeps going p p p p p p pp p ppp  pp p p p
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chuttla
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« Reply #6 on: June 27, 2012, 05:05:33 PM »

sounds like the same one, used to get thrashed around the dealership, always made a point of flushing water through it at the end of the day. probably 5yrs old, still works last time i used it Wink
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2001 WR426F
1984 bluebird TRX SR20DET
1963 vw baja project, for sale
chuttla
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« Reply #7 on: July 05, 2012, 06:21:15 PM »

peps quoted me $160 for the seal kit, still need the warning light switch as mine was starting to leak though. im guessing another $20 for that, might just a get whole new assembly and be done with it.
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2001 WR426F
1984 bluebird TRX SR20DET
1963 vw baja project, for sale
Imago
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« Reply #8 on: July 07, 2012, 02:37:46 AM »

Dad paid 60 when he rebuilt my one. Apparantly last one of two left in NSW (or Aus?).
May as well just buy the kit regardless of cost. Bit of confidence and knowing your brakes are ideal...
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