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Brakes won't bleed

Tech Talk for Rover owners.

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DL
Posts: 299
Joined: Wed May 31, 2006 8:33 pm
Location: Bellarine, Brackistan

Brakes won't bleed

Post by DL »

Good evening gentlemen,

81 2 door project. Went to bleed the brakes so I could stop the thing outside the shed its been in for the last 6 months. Bled brakes on RRs before, but can't even get fluid flowing through open bleed nipples with this one. Brakes worked fine before project started.

Had master cylinder apart, seals and bore fine, but did both anyway. Still won't push fluid or air through lines. Can see fluid reservoir when pushing brake pedal (no bonnet on) and bubbles rise with pedal depression.

According to the manuals I've got the internals in the mc are post 86, so I assume the mc is same. It also has a brake pressure reducing valve, the workings of which I would love to know (PA?).

TIA, DL
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Posts: 1606
Joined: Sat Oct 26, 2002 7:20 pm
Location: Geelong

Contact:
Contact HSV Rangie

Post by HSV Rangie »

pressurise the M/C if there is no other issue.

or vac bleed from bleeder.

Michael.
Mitsubishi 2010 NT DID Pajero wagon, Factory rear diff lock, Dual batteries, ARB bar, winch, Mt ATZ 4 rib tyres.
1986 RR.
Custom suspension links etc.
HSV 215 engine.
4.3 diffs.
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Posts: 3278
Joined: Mon Mar 03, 2003 9:03 pm
Location: St Helena, Melbourne.

Post by Loanrangie »

Nipples are most likely blocked, see my post below under brakes failing for an easy how to on bleeding.
Saddle up tonto, its the not so loanrangie! . 98 TDI DISCO lightly modded with more to come.
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Posts: 46
Joined: Wed Dec 24, 2003 7:11 pm
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Contact 77Rangie

Post by 77Rangie »

The flexible brake hoses may have collapsed, all my front ones had and the rear was only just letting fluid through.
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DL
Posts: 299
Joined: Wed May 31, 2006 8:33 pm
Location: Bellarine, Brackistan

Post by DL »

Thanks guys,

Tried pressure method with half bike tube (ala Rangie.com), but didn't work. Tried more pressure, but put a little split in mc tank. Had spare.

Bled mc by loosening output tubes, etc and then could get left front 1 and 2 circuits going. Bled the lot after that, but still has some air somewhere. Brakes work but pedal not good yet. At least it's out of the shed.

Thanks, DL
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