Rear brake rotor trouble
#1 _sampearce_
Posted 15 November 2006 - 07:07 AM
I took the calipers in to be recoed and found that they were the same as XD falcon, however after going to 4 different brake shops, no one can tell me what the rotors are off( I assumed they would be the same as they fit the diff and calipers). So I thought maybe someone here might be abe to shed a little light on what sort of car they are from.
I need new rotors as I need to get HQ stud pattern drilled in them and the ones I have already have heap of holes and couldnt safely drill anymore.
The size of the rotors are: width- 292 height - 60 centre hole - 78
Also I was told that the calipers would need to be resleeved or more than likely they will leak and seize...is this correct.
#2 _CHOPPER_
Posted 15 November 2006 - 10:52 AM
#3 _sampearce_
Posted 15 November 2006 - 11:42 AM
Another option one brake place said was to use HQ rotors with a spacer behind. This seemed like the best option suggested so far.
#4
Posted 15 November 2006 - 11:55 AM
Pics please
I might be able to help identify
Is the disc solid or vented ?
Does it slip over the axle flange or come in from behind (axle out)
The caliper bodies are usually sleeved because they corrode in the rear seal area ....... its very common
#5
Posted 15 November 2006 - 12:26 PM
#6 _CHOPPER_
Posted 15 November 2006 - 02:02 PM
Neil, you should know better than that! A9X, HZ and WB had rear discs as an option. HQ's didn't have rear discs, but were available in the HQ - WB range. I thought of HZ rears when the diameter of 292 MM was mentioned, but as XD rear calipers were used, they would be way too thin.HQ didn't have rear rotors though...... anyway
#7 _sampearce_
Posted 15 November 2006 - 02:42 PM
The diff had EH/torry stud pattern when I bought it, and I had the axles changed to HQ-WB as thats what the wheels I have are, and I put HQ brakes on the front.
They are a vented disc, and slip over the end of the axle and bolt up with the wheel.
#8
Posted 15 November 2006 - 03:14 PM
Now there are 2 versions of the slip on in the ford range
They differ by the thickess of the flange which is important to get the thing centred in the caliper
Pics will certainly help
HZ-WB-A9X are already the right pattern and are solid discs........ so you wouldn't be asking this question if they were them
Where did you do that 60mm measurement ?
Did you include the disc thickness or just the hat ?
Oh and there were a small number (5) of NSW Police special HQ sedans that were rumoured to be rear disc but no-one seems to have ever actually seen them but paperwork exists to support their existance.
#9 _sampearce_
Posted 15 November 2006 - 04:16 PM
http://forum.ejehclu...p?TOPIC_ID=3440
They actually have 15 holes so thats why I didnt want to drill another 5 for HQ/chev pattern.
The hat and disc thickness is 60mm...the hat is 38mm
Is there any other option if I cant replace these rotors.
#10
Posted 15 November 2006 - 04:31 PM
WRX disc is the closest and its not that
I'll keep thinking
#11 _sampearce_
Posted 17 November 2006 - 07:50 AM
Anyway they had a set of 2nd hand rotors the same so I can now get them on the EH and continue with the rest of the brakes.
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