I started what I thought would be a simple job this afternoon - removing the front discs to either clean them up or replace them. I have removed the hub assembly fine - caliper off, pin out, castle nut off. I have also removed the 5 bolts securing the disc to the hub.
But...the disc is stuck fast to the hub. No matter how much persuasion I use, I cannot separate them. Any tips? I don't have access to a press....
Separating front hub from disc
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Knightrider
Topic author - Posts: 81
- Joined: Wed May 28, 2025 7:03 pm
- Location: High Wycombe, UK

#2 Re: Separating front hub from disc
The disc should just be bolted to the hub...no press fit etc...probably just corrosion holding it together...but who knows what a previous owner has done.....welded it etc..hold the hub and give the disc a few serious whacks with a big mallet should seperate it...or a chisel where disc mates to hub....Steve
Steve
69 S2 2+2 (sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (sold) ..Realm C type replica, 1960 xk150fhc
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bitsobrits
- Posts: 563
- Joined: Tue Dec 27, 2011 2:09 am
- Location: Omaha, NE area

#3 Re: Separating front hub from disc
Some heat from a propane torch or similar applied to the mounting flange area would be helpful.
Steve
'65 S1 4.2 FHC (early)
'65 S1 4.2 FHC (early)
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Knightrider
Topic author - Posts: 81
- Joined: Wed May 28, 2025 7:03 pm
- Location: High Wycombe, UK

#4 Re: Separating front hub from disc
I've already tried the hitting it hard approach - have added some PBX and left it overnight. Will try again and apply some heat...
Simon
1966 Series 1 2+2
1966 Series 1 2+2
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