Clutch master cylinder cover
Clutch master cylinder cover
Author
Discussion

RAS

Original Poster:

347 posts

274 months

Wednesday 9th January 2013
quotequote all
I am in the process of re-spraying the inner wings and wondered if there is a better way to fit and make the cover waterproof?

Over the years I have a build up of sealant, which looked a mess, missing screws, and old holes in cover and wings which need filling. Also is there supposed to be a waterproof rubber gasket that sits between the body and cover?

As its a service item surely there has to be a better way?

Any advice / suggestions would be appreciated.

Thanks

Edited by RAS on Wednesday 9th January 10:14

SSPPGG

2,120 posts

226 months

Wednesday 9th January 2013
quotequote all
i used 2 5mm nuts, bolted to the rubber expanding rawlplug things drilled into the wing. this means that youre not cutting threads direct into the fibreglass. (not the best pic, but you get the idea)

the seal is made from 3mm neoprene foam, stuck to the underside of the cover. and is watertight



RAS

Original Poster:

347 posts

274 months

Wednesday 9th January 2013
quotequote all
Thanks Steve, will give it a try.

Nice engine bay, is the brake master cylinder cover a one off?

PeteGriff

1,262 posts

181 months

Wednesday 9th January 2013
quotequote all
SSPPGG said:
i used 2 5mm nuts, bolted to the rubber expanding rawlplug things drilled into the wing. this means that youre not cutting threads direct into the fibreglass. (not the best pic, but you get the idea)

the seal is made from 3mm neoprene foam, stuck to the underside of the cover. and is watertight


I thoroughly agree with the neoprene foam as descibed above. I am using this type of foam to make cover seals throughout my car, in particular the headlamp covers on the wheelarches. We use it extensively in our specialist vehicle business, it is available in a wide selection of thicknesses and roll or sheet widths. Rgds, Pete

SSPPGG

2,120 posts

226 months

Wednesday 9th January 2013
quotequote all
RAS said:
is the brake master cylinder cover a one off?
yes, made it from fibreglass a couple of weeks ago. ive fitted a vented bonnet, and the brake reservoir is very visable, so thought id cover it . i had to enlarge the clutch cover also (it wasnt always that bulbous), as the clutch master was changed with the LS install, and the old cover wouldnt fit.

http://www.ebay.co.uk/itm/M5-Rubber-Nuts-Well-Nuts...

these are the rubber nuts i used, you can get them smaller also, but these worked for me

http://www.ebay.co.uk/itm/Ind-Adhesive-Foam-TAPE-V...

and this foam i think


Edited by SSPPGG on Wednesday 9th January 14:20


Edited by SSPPGG on Wednesday 9th January 14:22

Hedgehopper

1,542 posts

268 months

Wednesday 9th January 2013
quotequote all
This looks a really neat idea and something I will try to copy myself.

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

Barreti

6,687 posts

261 months

Wednesday 9th January 2013
quotequote all
I swore after changing my master cylinder that next time it needs doing I'm not pulling out the pedal box again but I'll cut the inspection hatch larger and do it from the engine bay
Why they made the inspection hatch so small I'll never know.

Nice work on those covers SSPPGG

Marty V8

578 posts

210 months

Saturday 19th January 2013
quotequote all
I built mine up just using a number of layers of fibreglass so that the cover didnt keep catching on the cap of the master cylinder. Its shown in this link to the refurb I carried out if its any help.

http://www.pistonheads.com/xforums/topic.asp?h=0&a...

RAS

Original Poster:

347 posts

274 months

Sunday 20th January 2013
quotequote all
Hi guys, thanks for the suggestions.

I've built up the outer lip from above with layers of fIberglass and reinforced the inside of the hatch. After much rasping and filling I now have something that looks ok, now painted. For the moment I'm using some beefy self tapers with washers to hold it in place, but will change them if the fibre glass starts to breakup. Also using a neoprene gasket, which works a treat. Now spraying the inner wings,