Depressing brake calipers?

[stewart08]

Just re-thread the hole that one of my FL caliper bolts go into on the hub assembly but it seems like the pads are compressed too much for the rotor to sit on flush so I can get my wheel back on and tackle the next issue, anyone know how to depress a brake caliper? Would it be a case of taking the cap off the brake fluid reservoir and letting the pressure out or a bit more technical?


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[bushman]

Crack open the bleed valve, this will allow expansion of the dirty brake fluid. Use a bleed kit, as you will need to bleed the brakes after.
If you just release the pressure by loosen the cap, old fluid will drain back into the line possibly causing problem in future.

[Snail Style]

Sorry mate, but if you have to ask that then you shouldn't be working on brakes. Your potentially creating a 1.5tonne missile which may injure yourself, but more importantly other innocent people.

The front brake pistons are pressed back, either using a proper spreading tool or through the use of a g-clamp. However as I said, if your not confident or unsure about working on a brake system, then don't.

[h100vw]

Just re-thread the hole that one of my FL caliper bolts go into on the hub assembly but it seems like the pads are compressed too much for the rotor to sit on flush so I can get my wheel back on and tackle the next issue, anyone know how to depress a brake caliper? Would it be a case of taking the cap off the brake fluid reservoir and letting the pressure out or a bit more technical?


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Front pistons just squeeze back in. Make sure the fluid doesn't over flow out of the reservoir.

Gavin

[guile]

Make sure the fluid doesn't over flow out of the reservoir.

ask me how i know...

[stewart08]

Thanks guys, had a look at my other caliper and they're set up right just needed some wiggling into place, didn't need to drain anything. Don't really have the tools or money to be getting anyone else to work on my car, plus I'd need to get it driving before I could take it to a mechanic


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[RubAVeeDubDub]

Depressed brake caliper? Tell him to call lifeline and see a psychologist!

No offence intended, but if you don't know the simple basics of changing brake pads, why are you touching them?!
I'm all for encouraging people to DIY and almost all work to my cars is DIY, but research, research and a bit more research BEFORE you start a repair/project is key. You are dealing with the device that stops your 1.5 tonne car from high speeds. Dont touch something you dont know about - especially if your life depends on it.

If you had done the most basic research on changing pads, you would've found out that the brake piston needs to be pushed back because the new brake pad is obviously thicker than the old pad (the reason you're changing it obviously). It is a pressurised and sealed system so you need to use a tool of somesort - an old trick is to use a g-clamp and the old brake pad.
Also, because the hydraulic braking system is sealed, you need to make sure the cap is removed off the reservoir and a rag around the reservoir as the fluid is vile to paintwork. Also you need to find out your brake inbedding procedure for that pad before it can be effective.

Next time, DO YOUR RESEARCH PLS. No one wants you to injure or kill yourself.

[Transporter]

No one wants you to injure or kill yourself.

What yourself!
There are others, some very smart people who have to use the roads as well. Why should they be killed or crippled just because someone was careless?

[stewart08]

Look there was no replacing of pads or anything of that matter, was tapping a threaded hole on the hub assembly for the caliper and it wasn't sat on right. Not letting myself drive a car on a road that isn't worthy of being on the road...
Making sure everything's working fine before I let it off the driveway or round the block even. I'm not an idiot, I do my research before I bother touching anything with my car that I don't understand, I know how dangerous any minor faults with driving capability can be and would prefer to not put myself or anyone else in harms way. Thanks for your advice, opinions etc


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[Guest001]

I'm not an idiot, I do my research before I bother touching anything with my car that I don't understand,

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If you had done as you say you wouldn't have had to ask the question.

As you had to ask you shouldnt have been doing it.

However probably better to ask than stuff it up completely

Why did you have to rethread the hole as those bolts would hardly ever be removed.

Not something I would do for safety reasons

[Guest001]

Crack open the bleed valve, this will allow expansion of the dirty brake fluid. Use a bleed kit, as you will need to bleed the brakes after.
If you just release the pressure by loosen the cap, old fluid will drain back into the line possibly causing problem in future.

Why do that and potentially create another problem of air in the line when a simple G cramp will push it back without other problems.

Have used that method for 40 years without trouble.

Never crack a line unless you absolutely have to.

[RolfGolf]

Never crack a line unless you absolutely have to.

I agree - stay clear of drugs like Hillbilly says!