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Mar 23, 2023 18:48:07 GMT
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Hi all. At weekend my daughters e class lost brake pedal firmness and the fluid level warning came on. I found a split in the hard line just above the union for the Flexi. The Flexi was iffy too so I ordered a new one along with a brake union repair kit. I have now fixed the end of the hard line and popped the new Flexi on. When I went to bleed the brakes the old fashioned way with someone in the car I just couldn't get any fluid. Just a tiny dribble. Broke open my joint again and checked above the repair but same. It's a 2012 plate with abs. I'm going to get a gunsons bleed kit tomorrow and try that . Think a bit of pressure might push it through hopefully. The reservoir is full btw. Anyone got any tips? Thanks in advance. Jed
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Mar 23, 2023 20:58:20 GMT
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Not sure about this particular car but don't some need plugging into diagnostics to tell the abs module you're bleeding the brakes? To cycle the fluid through? My mechanic was telling me about it, sure it was a Merc of around a similar age.
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Mar 23, 2023 21:27:05 GMT
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Ahh right. Hope that's not the case but will see after the eezibleed tomorrow thanks Jed
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Mar 23, 2023 22:05:34 GMT
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I’ve successfully bled ABS brakes on a fair variety of VAG products without difficulty. The only issue with them that can result in needing to engage bleeding mode on the ABS pump is if you have to change the master cylinder or if the level drops low enough to let air into the pump.
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1967 Triumph Vitesse convertible (old friend)
1996 Audi A6 2.5 TDI Avant (still durability testing)
1972 GT6 Mk3 (Restored after loong rest & getting the hang of being a car again)
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,713
Club RR Member Number: 34
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Brake bleeding helpDez
@dez
Club Retro Rides Member 34
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Mar 23, 2023 22:14:03 GMT
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Yes certain vehicles can be impossible to bleed up of they sense zero line pressure to one brake. You have to put them into ‘bled mode’, basically holding the abs valve open, to get them to bleed. Mercedes are one of the ones known for this, but you should be able to do it with a fairly basic cheap code reader.
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Thanks all. Will plug it in I have a basic reader thanks very much will feed back
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Just plugged in my basic code reader but no function to open any abs valves etc. No codes either. Eventually went to get a sealey bleed kit that uses spare tyre. Managed to get a solid pedal . Thanks all for your help
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Last Edit: Mar 24, 2023 14:59:42 GMT by tineca
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Ryannn
Posted a lot
Posts: 2,421
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The bogo cheap readers don’t touch ABS, I’ve had a couple and they’re all pretty much the same.
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