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Author Topic: Seized Caliper and Oil change  (Read 3042 times)

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MV6Matt

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Re: Seized Caliper and Oil change
« Reply #15 on: 29 September 2011, 07:32:38 »

Sorry to ask this but do mean the brake pistons are not moving?
If you remove the caliper leaving the brake pipe untouched, get someone to push the foot brake... This should ease them out, even if you have to give them a hand :)

AA dude did this - stuck solid

Thanks for the advice though

 :y
Matthew
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MV6Matt

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Re: Seized Caliper and Oil change
« Reply #16 on: 29 September 2011, 07:33:57 »

....
If you remove the caliper leaving the brake pipe untouched, get someone to push the foot brake...  ....

Just make sure that you put something between the pads when the foot brake is operated otherwise you could easily push one or other of the pistons out of its bore resulting in a brake fluid shower!  :y It's probably best to do this one piston at a time ie use a G clamp to hold one piston in place while you try to ease the other out - then swap over the clamp.  ;)

Thanks Andy :y

Matthew
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"You only need two tools: WD40 and duct tape. If it doesn't move and it should, use WD40. If it moves and it shouldn't, use duct tape"
(thanks Ian)

Jimbob

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Re: Seized Caliper and Oil change
« Reply #17 on: 29 September 2011, 07:59:59 »

ive just had to free a very seized lower slider bolt on a calliper.

Probably not the recommended method, but worked for me..

removed pads, and replaced caliper bolts. coated slider in plus gas or similar
Hit caliper with lump hammer till slider out, then hit other side and push back in again
repeat,
then remove bolt from stuck slider end, and remove slider too,
clean up slider with wet and dry, regrease and reassemble.

Ill be honest, I was expecting an emergency replacement caliper run...but nothing broke and its better than ever now.

des.allen

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Re: Seized Caliper and Oil change
« Reply #18 on: 29 September 2011, 19:23:23 »

ive just had to free a very seized lower slider bolt on a calliper.

Probably not the recommended method, but worked for me..

removed pads, and replaced caliper bolts. coated slider in plus gas or similar
Hit caliper with lump hammer till slider out, then hit other side and push back in again
repeat,
then remove bolt from stuck slider end, and remove slider too,
clean up slider with wet and dry, regrease and reassemble.

Ill be honest, I was expecting an emergency replacement caliper run...but nothing broke and its better than ever now.
You just know the carrier will break if you dont have a spare, especially on a sunday when everywhere is closed
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MV6Matt

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Re: Seized Caliper and Oil change
« Reply #19 on: 29 September 2011, 19:42:54 »

ive just had to free a very seized lower slider bolt on a calliper.

Probably not the recommended method, but worked for me..

removed pads, and replaced caliper bolts. coated slider in plus gas or similar
Hit caliper with lump hammer till slider out, then hit other side and push back in again
repeat,
then remove bolt from stuck slider end, and remove slider too,
clean up slider with wet and dry, regrease and reassemble.

Ill be honest, I was expecting an emergency replacement caliper run...but nothing broke and its better than ever now.

Jimbob,
I'll keep that for emergencies!

Thanks mate!

Matthew
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(thanks Ian)

Jimbob

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Re: Seized Caliper and Oil change
« Reply #20 on: 29 September 2011, 19:48:07 »

Yes....I know I have a VX breakers....or Elite Pete within walking distance :y

razzo

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Re: Seized Caliper and Oil change
« Reply #21 on: 29 September 2011, 19:54:57 »

is the caliper still on the car Matt,
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MV6Matt

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Re: Seized Caliper and Oil change
« Reply #22 on: 29 September 2011, 20:05:44 »

is the caliper still on the car Matt,

Yup
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razzo

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Re: Seized Caliper and Oil change
« Reply #23 on: 29 September 2011, 20:19:09 »

might be an idea to clamp the flexi hose & try & remove the caliper, had a mot advisory on mine last year for the same thing, removed caliper & cleaned up as much as poss then blasted some air through the hole where the pipe fits. Found out the pistons had rusted around the edge where they meet the pads as water had got under the seal. Cleaned em up with a bit of wet n dry & soaked in brake fluid & passed the re test. i'm in East London if you need another pair of eyes
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MV6Matt

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Re: Seized Caliper and Oil change
« Reply #24 on: 29 September 2011, 20:24:02 »

might be an idea to clamp the flexi hose & try & remove the caliper, had a mot advisory on mine last year for the same thing, removed caliper & cleaned up as much as poss then blasted some air through the hole where the pipe fits. Found out the pistons had rusted around the edge where they meet the pads as water had got under the seal. Cleaned em up with a bit of wet n dry & soaked in brake fluid & passed the re test. i'm in East London if you need another pair of eyes

Thanks Razzo.
Where in east London Are you? (me too - is it you on the IOD?)

I need another pair of hands (being a numpty in the mechanic stakes) eyes are ok
If you're able to give me the benefit of your wisdom that would be most welcome
Matthew
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"You only need two tools: WD40 and duct tape. If it doesn't move and it should, use WD40. If it moves and it shouldn't, use duct tape"
(thanks Ian)
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