Replacing Backplate Handbrake

Replacing Backplate Handbrake

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Discussion

crypto

Original Poster:

238 posts

244 months

Monday 8th April
quotequote all
I need to replace the "backplate handbrake" on my Cerbera. The spacer tab/stop (just above where the handbrake cable goes thru) was broken off. Has anyone already replaced that and how.

This is how it looks like:
https://motaclan.com/product/backplate-handbrake-c...

Thanks, Peter

ridds

8,238 posts

247 months

Monday 8th April
quotequote all
Take everything in the way off.

  • Wheel
  • Caliper
  • Disc
  • Handbrake Mech
  • Driveshaft nut (noting which way it undoes) wink
  • Find a "massive fking breaker bar" and undo the 3 Hex Head Screws in the back of the hub
  • Hope the Driveshaft pops out the Wheel Bearing easily.
  • Replace Backplate
"Refitting is the reverse of removal" as Haynes say...

Make sure you reset your Handbrake adjuster on both sides once you've done it.
And pulled all the exhaust off to slacken off the Handbrake cable enough to allow the new back plate to fit.
And don't lose and of the Brake Shoe parts as they are an arse to find new...

Easy peasy. wink

ukkid35

6,256 posts

176 months

Tuesday 9th April
quotequote all
A highly respected Indy told me he did a handbrake test after making adjustments for a customer, resulting in the same failure

He was not best pleased by the additional labour that it took to repair

crypto

Original Poster:

238 posts

244 months

Tuesday 9th April
quotequote all
ridds said:
....

And don't lose and of the Brake Shoe parts as they are an arse to find new...
Motaclan seems to have them: (or did I miss something ?)
https://motaclan.com/product/brake-shoe-fitting-ki...
https://motaclan.com/product/brake-shoe-handbrake-...


Thanks, I will try my best at the weekend :-)



Supateg

762 posts

145 months

Wednesday 10th April
quotequote all
crypto said:
ridds said:
....

And don't lose and of the Brake Shoe parts as they are an arse to find new...
Motaclan seems to have them: (or did I miss something ?)
https://motaclan.com/product/brake-shoe-fitting-ki...
https://motaclan.com/product/brake-shoe-handbrake-...


Thanks, I will try my best at the weekend :-)
We’re all speaking from experience, when we do a job which could have been some time ago our advise is formed by what parts / services were available at the time. Ridds quite possibly did the job well before motaclan stocked tvr parts….its as simple as that..

Thanks for highlighting the shoe fitting kit is available…might put one on stock just incase..

ukkid35

6,256 posts

176 months

Wednesday 10th April
quotequote all
I do not recommend using a fitting kit where the main springs have a single coiled section



This version is much easier to fit


ridds

8,238 posts

247 months

Wednesday 10th April
quotequote all
Not those, the actual handbrake mech parts, the levers and spreader bar.

Supateg

762 posts

145 months

Thursday 11th April
quotequote all
ridds said:
Not those, the actual handbrake mech parts, the levers and spreader bar.
Ah, we’ve all got the wrong end of the spring then. getmecoat

In a positive note, we know the better type of spring to install to avoid interference issues…next time I’m in that area I’ll bear it mind to check.



crypto

Original Poster:

238 posts

244 months

Tuesday 16th April
quotequote all
Hmm, I'm having difficulties in accessing the 3 hex head screws as the half-shaft is in the way.
My hope was to push the driveshaft so far back to at least get access to the 3 hex screws.
I see 2 possibilities:
a) remove the half-shaft either on the diff or axle side and then slide the axle out
b) removing the top bolt on the upright (top of pic) and tilting the upright outwards and hopefully slide out the driveshaft

Or is there another trick I don't see to access the hex-head screws ?


ridds

8,238 posts

247 months

Tuesday 16th April
quotequote all
If you want to try and do it that way then maybe some of these would help.

https://www.lasertools.co.uk/Product/6711/Extra-Lo...

You may be better off just pulling the upright off.

crypto

Original Poster:

238 posts

244 months

Wednesday 12th June
quotequote all
Finally I got the backplate replaced, I wasn't able to loosen the 3 hex screws in the upright, So the entire thing had to come out. Below a few pictures so you see what you expect when got the same luck. Before you install the new backplate, make sure those bolts with the hammer-head (from the fitting kit) go in easily. I had to file out both holes a bit because they got stuck and one of the holes is not accessible from the other side if the backplate is mounted. The top bolt of the suspension arm allows to set camber angle. Anyone knows the correct value ? (I took it from the other side 1.5 degrees negative, a bit much in my opinion)





notaping

299 posts

74 months

Thursday 13th June
quotequote all
I've got it noted as:

Camber Degrees - Front and Rear : 0.5 - 1.25 negative
Toe In (Minutes) - Front and Rear : 10 - 20

Good job.