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Old 11-21-2020, 12:25 AM
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Uncle ENzo Uncle ENzo is offline
 
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Default e39 528i help

So I am in the throws of fixing up a 2000 528i 5speed I picked up for 500$. Body and interior were mint so I thought why not? Thus far I have replaced the clutch and rebuilt the vanos and suspension. So when I got the car the brakes were hard as a rock and I discovered the booster didnt hold a lick of vacuum. With that I put in a used working unit. Now comes the issue. When I bench bled the master I got good flow from the rear circuit but not the front two but didnt put too much stock into it. I have a spare master that is just as old that acted the same. I put it all back together and cant for the life of me get the front to spew any fluid at all when trying to bleed. Im thinking I have two worn out masters but wanted to see if you guys had any advice.

Thanks!
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Old 11-21-2020, 01:07 AM
cmartin cmartin is offline
 
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No fluid when bench bleeding or when in the car? I havent seen one that didnt squirt fluid in the vise. If on the car its possible you have a bench or collapse line. Disco the line from the caliper to check for fluid there, similar upstream if there is a union.

btw, pretty sure a new master is $50, 10% of the car!
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Old 11-21-2020, 12:07 PM
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Originally Posted by cmartin View Post
No fluid when bench bleeding or when in the car? I havent seen one that didnt squirt fluid in the vise. If on the car its possible you have a bench or collapse line. Disco the line from the caliper to check for fluid there, similar upstream if there is a union.

btw, pretty sure a new master is $50, 10% of the car!
Actually on the bench. Got very little flow compared to others Iíve done in the past.
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Old 11-21-2020, 11:34 PM
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At this point I’ve narrowed it down to a clogged valve in the unserviceable abs pump.
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Old 11-23-2020, 10:13 AM
86911TLCAB 86911TLCAB is online now
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Not sure any help but my 99. 328is has full break system intact. If parts are the Same you can pull off what you need.
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Old 11-23-2020, 11:22 AM
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Not sure any help but my 99. 328is has full break system intact. If parts are the Same you can pull off what you need.
Wow, thank you so much. I picked up an ABS pump on eBay last night so ill see if its any good. If not, I am going to reach out!
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Old 11-23-2020, 01:04 PM
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Pls let me know soon. Am pushing to get this car out of here soonest. I can pull it off if you think you want it and anything else..
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Old 11-23-2020, 01:43 PM
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Originally Posted by 86911TLCAB View Post
Pls let me know soon. Am pushing to get this car out of here soonest. I can pull it off if you think you want it and anything else..
Thank you! Ill have the used unit by week's end. If you get a sec, take look at the part number on the top of the pump and see if it reads 265.225.005
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1990 Rusted to hell Toyo PU
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Old 11-23-2020, 01:45 PM
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Ok. Will let you know.
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Old 11-23-2020, 08:41 PM
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It is different
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