TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Hi im about to fit some Goodridge brake hoses to my corsa. Im unsure how to undo the unions (FRONT). Their is a small 10mm nut where the green metal brakepipe goes into the union then their appears to be a circular a large cylindrical thing with a flat on it then the other side of the bodywork mount their is a 17mm nut which is attached to the rubber brake hose which I want to change. Do I undo the 10mm top nut against the 17mm bottom nut, or do I need a special spanner to grip the cylindrical thing with flat on and then undo the 17mm nut?
Sorry this is probably very easy its just with everything corroded and a little stiff to undo I dont want to use my brute force to undo something I shouldnt...
Here's a quick sketch...
[Edited on 07-04-2004 by TOMAS]
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Skinner
Member
Registered: 14th Jul 03
Location: aberdeen drives:mk4 irmscher astra on 18's
User status: Offline
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hold the 17 mm nut and undo the 10mm bpipe end
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Yeah, the braided hose will replace everything below the 10mm. You can get special brake line spanners that grip much more of the bolt than usual ones, they are more like a 'C'. Halfrauds sell them for about £8 I think. Without it you risk stripping the 10mm bit, and even with it it can be a pain.
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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goto halfords they have a open ended spanner specially for the job 
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Skinner
Member
Registered: 14th Jul 03
Location: aberdeen drives:mk4 irmscher astra on 18's
User status: Offline
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what i do at work is slacken it of with vice grips the use a spanner 2 undo the rest
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Adam_B
Member
Registered: 13th Dec 00
Location: Lancashire
User status: Offline
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did the fronts easy enough last week but the rear ones are real bitch as they were all rusty 
well worth it tho 
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AdamF
Premium Member
Registered: 24th Apr 02
Location: Bexhill, East Sussex
User status: Offline
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get a brake pipe spanner form halfords and put it round 10mm nut then in on move hit the spanner to crack it off then undo with normal spanner
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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wd40 them before you do them let it soak in well
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red_12v
Member
Registered: 14th Mar 04
User status: Offline
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a good wire-brushing wouldnt go a-miss before spraying either.
but is best to use proper brake pipe spanner to undo ( quite cheap to buy and money well spent. )
if they still round off you can use mole-grips to undo them!
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Cheers guys but the thing is how does the old stuff come off once the 10mm is undone as it appears to be sandwitched between the bodywork mount. Their seems to be a clip which ive missed off the drawing which sits above the bodywork mount, its kind of like a square circlip with a lip on one side, do I undo the 10mm against the 17mm using proper spanner and then do I have to lever the clip out and the old hose will slide out through the bodywork mount. Sorry for the quizillion questions, thanks for all the help so far. Its embarissing being an authorised Goodridge dealer and not even knowing how to fit them  
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Demo
Member
Registered: 27th Sep 01
Location: south wales Drives: astra sri ecoflex
User status: Offline
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crows foot spanner to undo the bugger 
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Just been Machine Mart, £12.00 for a 3 spanner set 10mm - 17mm
I'll be getting down and dirrty soon
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Mav 3000
Member
Registered: 16th Aug 01
Location: Leicestershire
User status: Offline
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The clips can be gently hammered on and off and only go on one way. Its quite simple, but if it looks confusing give everything a clean, wd40 stubborn joints and take ya time.
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Fecking NIGHTMARE! I had a go at this lastnight! Front passenger went fine, rear passenger was hard as hell as it was soo fiddly! Ended up removing the backbox so that I could get a hammer in their to hit the clip back on!! But they did come undone pretty easy
Then the problem started, front drivers - Rounded the fecking union off trying to undo. As for the rear drivers their is NO room to work in their at all, no room for a hammer to hit the clips back on! So I godda go back out their in a bit and bleed up the system, stick the wheels back on and im taking it to a garage! Need whole new drivers front brakeline with union, then I want the mecahanic to fit the drivers side hoses and re-bleed the system!! Bummer 
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