2001 Vauxhall Astra - Braking System #2

Astra 1.6 16v Problem
The Problem
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Rich Wright
Fixes: 4
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Braking System #2
Jan 17, 2014 (6 years ago)
Following on from:16273- I have removed, cleaned,refitted and bled the entire brake system and topped up to max. But pedal travel still excessive and every-time I bled the brakes air was still in the system. servo unit ok as brake pedal firms up when car stationery engine on or off. Could this be a problem with the master-cylinder? but how is air still getting into the system, any ideas.

Car: Vauxhall Astra
Variant: 1.6 16v
Year: 2001
Category: Steering, Suspension, Brakes, Wheels & Tyres
Recalls: Vauxhall Astra Recalls
More: Vauxhall Astra Problems
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whittingehame
Fixes: 12,195
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Jan 17, 2014 (6 years ago)
Could be master cyl , worn seals drawing air / slight leak ..
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bustedknuckles
Fixes: 1,458
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Jan 17, 2014 (6 years ago)
As suggested by wittinghame possibly master cylinder,you could try a pressure bleeder in case a seal in the cylinder has been flipped slightly with brake work.
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paulieone
Fixes: 1,666
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Jan 17, 2014 (6 years ago)
hit the brake pedal quickly.If you feel resisitance momentarily then the master cylinder is suspect
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Witty
Fixes: 733
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Jan 18, 2014 (6 years ago)
This may sound silly, but did you remove the callipers and accidentally refitted them on the wrong sides.
As if this has happened then you will have the bleed nipple at the bottom of the calliper then therefore you will not be able to remove the air from the system as the bleed nipples need to be at the top of the calliper to remove the air from the system.
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