P38A Brake bleeding

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oakey

oakey

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Mull of Kintyre
1997 V8 auto
Just changed abs accumulator and about to bleed brakes.
Anyone know what size the caliper nipples are? Tried 3/8, 7/16 and 1/2 and then 9, 10, 11 and 12mm
Seems to be 11 but not convinced. They are a bit rusty
 
oakey said:
1997 V8 auto
Just changed abs accumulator and about to bleed brakes.
Anyone know what size the caliper nipples are? Tried 3/8, 7/16 and 1/2 and then 9, 10, 11 and 12mm
Seems to be 11 but not convinced. They are a bit rusty
Click to expand...
should be 11mm but often corrode smaller a 1/4 drive hex socket is useful to slacken them to begin with
 
My spanner, a pretty good one but not a "snap on" rounded the nipple.
Soaked them all in brake fluid. Is it such a heinous crime to spray them with penetrating fluid?
 
Spanners rarely work on crusty old stuff, I use either mole grips or a deep 3/8 drive socket, often hammering a 10mm on in place of 11mm, little movements back n forth, don't try to do it it in one turn.
Same tip applies to brake pipes but you need to cut the pipe from the union first.
 
If the bleeders are rusted beyond redemption then you will always struggle. But if they are sound NEVER use anything other that a single hex spanner on them. Double hex spanners are the devils work on tight or rusted bleed screws.
 
oakey said:
1997 V8 auto
Just changed abs accumulator and about to bleed brakes.
Anyone know what size the caliper nipples are? Tried 3/8, 7/16 and 1/2 and then 9, 10, 11 and 12mm
Seems to be 11 but not convinced. They are a bit rusty
Click to expand...
Hi mate, I have just replaced the discs and pads on my 90. What I have found over my many years experience is to buy new nipples - they are only a couple of quid and readyly available. Just takes some of the worry out of the job
 
It's good to see others recommending new nipples. You need to get some grips on them & throw them away. Replace with stainless if you can as copper is to soft. Or just buy a load of copper nipples.

For bleeding, get the pressure kit, the one you attach to the spare wheel. It makes bleeding so simple a 6 year old could do it. You just go from wheel to wheel, open the valve & watch the bubbles fly out.
 
Rick-the-Pick said:
It's good to see others recommending new nipples. You need to get some grips on them & throw them away. Replace with stainless if you can as copper is to soft. Or just buy a load of copper nipples.

For bleeding, get the pressure kit, the one you attach to the spare wheel. It makes bleeding so simple a 6 year old could do it. You just go from wheel to wheel, open the valve & watch the bubbles fly out.
Click to expand...

I have never ever in more than fifty years working on vehicles seen a copper bleed screw. :D:D
 
mutsnutz said:
thought id be proactive and just print the brake section off at work well that clearly didn't work the printer only tried to print the full lot ohh ****e now I have to try and get 1000 pages through security in the morning :eek::eek::eek::eek::eek:
Click to expand...

Stealing tax-payers paper! Just complain loudly about bl**dy government bureaucracy and form filling as you push the wheelbarrow of paper past. At least you have it all ready for next time.
 
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