02 Defender 90 Rear Discs & Pads Change

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Not too sure about the coil springs on the fitting kit. My rear brake pads (2006 model) are held in with split pins and spring clips that look like this http://www.paddockspares.com/stc8574-brake-pad-retaining-kit-for-stc9188-stc9189.html Worth checking to make sure they're suitable before you buy. Of course, they're only pocket money prices so it's not a disaster, but it is a nuisance discovering you've got the wrong part when the car is in pieces.
When I did mine I used new bolts to attach the discs to the hubs and the calliper to the axle. They're under quite a bit of stress so worth renewing with the relevant part-numbered item. The old discs were quite a tight fit on the hubs and needed a bit of hammering to get them off. If you do so, try and hit the disc rather than the hub as it's easy to 'bruise' the hub casting with the hammer.
 
Use bi-hex sockets. You need 13mm for the brake caliper retaining bolts and 14mm for the hub to disc retaining bolts. A thin sliver of copper grease on the hub lip will ease removal if you ever need to do it again.

If memory serves me correct, a 2002 vehicle will have a staked nut on the hub (the 52mm one) and it's done up really tight so you'll need a proper socket rather than a box spanner. Bin the staked nuts an replace them with ordinary hub nuts and lock washers.

One last thing. I would replace the hub seals if I were you. Take this opportunity to degrease and re-grease the hub bearings and fit new seals once the discs are off.
 
Just having a look at my parts book.
Calliper to axle bolts are FTC3375 Sometimes a 1/2" AF imperial socket is a tighter fit on them than a 12 mm and thus less likely to strip the splines off.
Disc to hub bolts are FTC1368
I see my parts book indicates the coil spring retainers for the 110 and the flat spring and split pin version for the 90. The 110 rear brakes are different to accommodate the extra weight. So I expect you'll want SFP000150 or STC1276 depending on whether you're before or after the changeover point. The SFP000150 fits models after VIN1A64448 if that's any help.
I feel like I've just had a James Martin moment!
 
If you don't fancy draining and refilling the brake fluid, I find there's just enough flexibility in the metal pipes to allow you to lift the calliper out of the way to get the hubs and discs off.
 
Not really but i suppose its an excuse to fit the braided lines ibe had on my shelf for 4 months and renew the fluid!

The job has now become a weekend adventure though lol

Thanks for the very helpful info!
 
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