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[TheBoy]

MV6. Again.

Today, stripped it down. Cable appears free (although shealth is split NSR - the bit that allows the shealth to contract, near rear suspension arm). Mechanism free (but stripped, cleaned, regreased with LM), shoes look fine (but roughed them up a bit with wire brush to break off the glazed surface), drum section looks fine (but cleaned up with a wire brush in a drill).

Reassembled the usual way, adjusted each side until dragging hard, then released one notch on adjuster. Then adjusted cable to give about 5 clicks max.


Still utterly useless.  Will hold the car on a slope, but won't slow the car down when moving, so doubt it will pass an MOT.

Ideas?

[sticka_v8_init]

MV6. Again.

Today, stripped it down. Cable appears free (although shealth is split NSR - the bit that allows the shealth to contract, near rear suspension arm). Mechanism free (but stripped, cleaned, regreased with LM), shoes look fine (but roughed them up a bit with wire brush to break off the glazed surface), drum section looks fine (but cleaned up with a wire brush in a drill).

Reassembled the usual way, adjusted each side until dragging hard, then released one notch on adjuster. Then adjusted cable to give about 5 clicks max.

Still utterly useless.  Will hold the car on a slope, but won't slow the car down when moving, so doubt it will pass an MOT.

Ideas?

This sounds familiar. My nearside initially failed MOT 'cos it just wouldn't shift the shoes. Couldn't understand it. Did same as youself (especially the highlighted) but still no joy. Could see the cable tighten but not move the shoes. Out of frustration, went to breakers and removed mechanism, pins, springs, adjuster etc...all but the shoes. Fitted and bugger me worked great   Out of the components in the assembly i could only assume it was the 2 piece assembly the cable links to.  Still can't figure it.........

[jonny2112]

When mine gave me problems it turned out to be a seized cable on the nearside. 

[TheBoy]

MV6. Again.

Today, stripped it down. Cable appears free (although shealth is split NSR - the bit that allows the shealth to contract, near rear suspension arm). Mechanism free (but stripped, cleaned, regreased with LM), shoes look fine (but roughed them up a bit with wire brush to break off the glazed surface), drum section looks fine (but cleaned up with a wire brush in a drill).

Reassembled the usual way, adjusted each side until dragging hard, then released one notch on adjuster. Then adjusted cable to give about 5 clicks max.

Still utterly useless.  Will hold the car on a slope, but won't slow the car down when moving, so doubt it will pass an MOT.

Ideas?

This sounds familiar. My nearside initially failed MOT 'cos it just wouldn't shift the shoes. Couldn't understand it. Did same as youself (especially the highlighted) but still no joy. Could see the cable tighten but not move the shoes. Out of frustration, went to breakers and removed mechanism, pins, springs, adjuster etc...all but the shoes. Fitted and bugger me worked great   Out of the components in the assembly i could only assume it was the 2 piece assembly the cable links to.  Still can't figure it.........

Had that mechanism seize before, thus took it apart and cleaned up. Although it was working anyway.

[sticka_v8_init]

Mine was working fine aswell. 2 pieces of bloody metal (with a peg) in my hand working as they should and cleaned/lubed to within an inch of their lives.. Its the only part i replaced that makes even 10% of sense. Springs - no! Adjuster - no! Bloody linkage - appears so.......

[Andy B]

..... but won't slow the car down when moving, so doubt it will pass an MOT.

Ideas?

It's a parking brake ........... designed to hold the car once it's already stopped. 

[dad1uk]

..... but won't slow the car down when moving, so doubt it will pass an MOT.

Ideas?

It's a parking brake ........... designed to hold the car once it's already stopped. 

As Andy says its designed to hold the car not stop it, I don't think mine would stop the car very quickly but it flew the MOT standards with room to spare.

[hotel21]

..... but won't slow the car down when moving, so doubt it will pass an MOT.

Ideas?

It's a parking brake ........... designed to hold the car once it's already stopped. 

As I recall, magic number is 16% braking efficiency and its measured on the rollers so no getting away with slope test or similar......

[JamesV6CDX]

What H21 said... how do I know? Because mine scraped through the test