Drums with holes in...unsafe?

Hi, I was poking around the the back and my screwdriver went straight through the rear of the drums on both sides. I heard some debris fall inside the drums. I drove it and the braking was the same except when I first pressed them there was some scraping sounds from the rear. In the second picture is that one of the shoes visible?? Can anyone tell me if it's dangerous like this or not AND how easy it would be for me to change both the drums myself? Can I just remove wheel, remove hub and then shoes etc, remove backing plate, replace backing plate and put everything back together?

Thanks in advance.

That is likely the brake drum that you can see.
The bit that is rusty is the back plate.
The brake shoes mount to the part that is flat, near the hub, the rusty bit is an overlap that is a sort of mud seal.

If the rust is confined to the outer rim, it won't be unsafe, but looking at it I'd probably get new backplates.

To change them, you have to take out the halfshafts and swap the wheel bearings, so it is a fairly big job, and costs more than you think, although you do get new wheel bearings.

Might be cheaper/easier to source a pair of halfshafts, backplates & bearings from a donor axle, or even to change the whole rear axle if yours is very rusty round the mountings, as you will need new brake pipes, likely cylinders, and the abs sensors never come out of the axle in one piece.

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facade wrote: That is likely the brake drum that you can see.
The bit that is rusty is the back plate.
The brake shoes mount to the part that is flat, near the hub, the rusty bit is an overlap that is a sort of mud seal.

If the rust is confined to the outer rim, it won't be unsafe, but looking at it I'd probably get new backplates.

To change them, you have to take out the halfshafts and swap the wheel bearings, so it is a fairly big job, and costs more than you think, although you do get new wheel bearings.

Might be cheaper/easier to source a pair of halfshafts, backplates & bearings from a donor axle, or even to change the whole rear axle if yours is very rusty round the mountings, as you will need new brake pipes, likely cylinders, and the abs sensors never come out of the axle in one piece.

Hmm i see thanks I was hoping I could do it myself without too much hassle like on a vw beetle!

If i took it to a garage roughly how much would I be looking at to change the backing plates, drums, bearings, brake pipes, 2 cylinders and sensor?

What if I bought this and took it to the garage for them to fit (although these don't have the bearings on right?)
:



Roughly how much would I be looking at for a complete replacement axle?

This is what mine looks like and I think it's alright really, just surface rust:

You need abs ones our yours is a 2004

Late 2003 onwards would be abs

j999pre wrote: You need abs ones our yours is a 2004

Late 2003 onwards would be abs

Oh right, so the shafts in the ebay link are not for ABS?

emu88 wrote: This is what mine looks like and I think it's alright really, just surface rust:

That is the other end of the car

If the casing is fine around the mountings, then just source a pair of halfshafts like the ones in the link, but for abs, then get a pair of wheel cylinders, and see what a garage will charge to change them over. Your old ones may be fine, but for the price get new ones, as the car will be stuck if the old ones are no use.

It is easy enough to do yourself, and tbh, if you are not handy with spanners, running old 4wds of any sort is a money pit, more so if you actually use them off road.