Knocking/thudding noise - frequency matches road speed

[marinabrian]

Originally Posted by Jim Jamieson

You need to disconnect the rear calliper. Use a good quality 13mm hex socket, not a multi sided one as the calliper retaining studs rust away. I’ve had to chisel them off before. Replace with new studs is a must

. Or use a 1/2" AF ring spanner, my favourite is a Britool 2RB4350 which has never failed to remove a caliper support bracket retaining bolt for me EVER, despite being bi-hex, it grips any corrosion wasted 13mm A/F bolt perfectly

Originally Posted by Jim Jamieson

With the calliper removed and handbrake adjuster slackened off inside the car, remove the torn screw securing the rear disc / drum. The rear shoe which will have come adrift will be catching on the drum so you need to wiggle it quite a bit.

Or when you have slackened the adjustment off, poke a screwdriver through the hole in the disc where the securing torx screw normally lives to push the web of the brake shoe onto the backplate, allowing the disc to be removed without an unnecessary fight.

Originally Posted by Jim Jamieson

With the drum off you can fabricate a stud with a nylon nut and washer to secure the brake shoe in place but remember it has to have some free play, hence the nylon nut as you don’t want it up too tight.
Once you have secured both shoes re assemble the drum, and re adjust handbrake using the correct procedure.
Good luck !

Remembering that the original shoe steady pins are spring loaded, I usually use a spring and a washer, if using a bolt to secure the shoes.

As an alternative to using bolts and nyloc nuts, you can use a different type of brake shoe steady pins, pushed through the backplate, and secured on the inside with cup washers, something similar to this.......



Just an alternate observation Jim, all or sometimes nothing else works, but I've yet to use the Irwin bolt extractors, or chisels on these yet

Brian

[BigAde]

Thanks all.. this is all out of my comfort zone, so I'll be speaking to my mechanic tomorrow to see when he can do it.

[marinabrian]

Originally Posted by BigAde

Thanks all.. this is all out of my comfort zone, so I'll be speaking to my mechanic tomorrow to see when he can do it.

Don't be put off Ade, it's not that difficult a job......honest

Brian

[BigAde]

Just a quick update to say that my mechanic has found that it was rotting backplates.
He's done a temporary repair, but ultimately need new backplates.
Notice DMGRS have them for £80 a pair (mechanic already fitted new shoes and fixing kit)… unfortunately Mat is now away and can't ship them until 3rd Jan which means I probably won't get them until w/c 7th Jan.