GD427 MK IV

GD427 MK IV
What my car should look like when finished - Stoneleigh 2015

Tuesday, 13 March 2018

Brake & Clutch Fluid Reservoirs

I decided to use 3x single reservoirs for the brake & clutch fluid.  I also decided that I wanted to run the flexible brakes hoses inside the bulkhead so that they weren't in the engine bay crossing the steering column.

The supplied brackets for the reservoirs were just plated steel so the first thing to do was create a new 1-piece stainless steel bracket that held all 3 reservoirs.  I measured them and then drew up a plan using Solidworks.  The reservoirs I used have a float with test switch built in, which is an IVA requirement (along with the stickers).  They came with just a hose connection, but since I wanted to use flexible hoses, I removed the connection, drilled and fitted aluminium -AN4 fittings with o rings which could then fit to bulkhead connectors to go to the master cylinders.

Where the front, rear and clutch fittings come up to in the engine bay, I marked where holes should go for 90 degree end flexible hoses.  I could then determine if it was all going to fit.

Once the bracket was made, I assembled the 3 reservoirs along with 90 degree fittings.  This then allowed me to work out where on the bulkhead these could be mounted.  I used masking tape and drew on a grid on the bulkhead and fitted the bracket with double sided tape.  This allowed me to stick the bracket to the bulkhead and close the bonnet.  From the front wheel well, I could look in with a torch and look at the marked grid to see where it could be moved.

Because of the fuel pressure regulator, and bonnet height it doesn't fit perfectly as desired.  I had to offset one of the holes in the bulkhead coming from the high pressure side of the master cylinder.

I then connected up the fluid level switch wires and should now just require the stickers.










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