Inca Yellow

getting a 1979 MB GT back on the road

Figure 1

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Removing the rear brakes

December 7, 2008

Got the rear brake disassembled today to replace the brake cylinder. Unfortunately you need to take the whole lot off to do this. John Twist from University Motors does a good step-by-step of this, though repeating his steps on a wheel still attached to a car and whose parts are a tad rusty takes a bit more time.

Relax, take off your shoes.

The anti-rattle springs (in the centre of Fig 1) are first to come off - though be careful as even old ones can shoot off suddenly when loosened. The springs are held on by a pin with a cross-piece at the top which fits through the washer on the spring and locks when turned 90 degrees.

The bottom spring pulls off with a bit of effort, allowing the shoes to be pulled off the adjuster cylinder at the top and then off the brake cylinder at the bottom. The rest of the assembly then comes off (Fig 2) with the shoes giving access to the brake cylinder.

Getting the old cylinder off

The cylinder itself (Fig 4) is held on with a circlip to the rear of the disc (Fig 3), though a good few years of dirt, grime and rust held ours on just as firmly and getting the circlip back on was probably the hardest part of the operation!

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Videos

Pull up a chair and watch some cine.

Spares

Making the engine shiny, bit by bit.

What it's taken so far.

About Inca Yellow

A while back I inherited a 1979 MGB GT. It had been sat in a garage for nearly two decades and was in desperate need of a bit of attention. Knowing absolutely nothing about cars and even less about engines I, of course, decided to get it back on the road.

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© Adam Liptrot 2008

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