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HELP! with stuck rear brake disc retaining screw EF Fairmont 

 

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 Post subject: HELP! with stuck rear brake disc retaining screw EF Fairmont
Posted: Sat Feb 19, 2011 7:35 am 
Parts Gopher
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Posts: 74

Joined: 23rd May 2010

Ride: BA XR6 Turbo

Location: Auckland
New Zealand

Hi,

I've started the task of replacing my disc rotors this morning, starting with the rears. Cannot undo either of the brake disc retaining screws!!! Jammed solid.

Have tried - soaking in lubricating spray, hitting disc etc with big hammer, and heating disc blow torch. No joy. These things are solid. I've got no worries in the arms department - in fact I'm starting to deform the screw head on the screw, from wailing on it so hard.

A previous mechanic looks like they have punched each screw in two places near the edge (I will try to attach a pic but not sure how) - is this having a locking effect?

Supposed to be collecting my little daughter in a few hours to go to a party - car up on stands - HELP!

Thanks for any replies/tips.

 

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Previous cars:
XA GT351 sedan (manual)
XF/XE club race car (351 manual)
EL Falcon
EL Fairmont
AU XR6

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 Post subject: Re: HELP! with stuck rear brake disc retaining screw EF Fairmont
Posted: Sat Feb 19, 2011 9:27 am 
Getting Side Ways
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Age: 27

Posts: 1998

Joined: 31st Dec 2007

Gallery: 9 images

Ride: xc wag's, tnklane wag's

Location: Munruben
QLD, Australia

I'm assuming you've been using an impact driver, if not give that a go, as there generally always tight.
maybe you'll have to drill it out.

 

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 Post subject: Re: HELP! with stuck rear brake disc retaining screw EF Fairmont
Posted: Sat Feb 19, 2011 1:40 pm 
Parts Gopher
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Posts: 74

Joined: 23rd May 2010

Ride: BA XR6 Turbo

Location: Auckland
New Zealand

Didn't have an impact driver, but got them out anyway, after getting the following advice:
- heat the screw to cherry red with a blow torch
- then quench it immediately with cold water
- use a large bolt (or similar appropriately sized thing) as a drift, hold it with some vice grips, and smash the sh*t out of the screw head using the bolt/drift and a heavy hammer
- I was able to crack the screws after that, using a screwdriver that could adapt a small spanner for leverage.

All good!

 

_________________

Previous cars:
XA GT351 sedan (manual)
XF/XE club race car (351 manual)
EL Falcon
EL Fairmont
AU XR6

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