Brake systems - diagonal split with PDWA valve 1974-75 : Somerford Mini ...

Note: This system is applicable to left hand drive models 1974-75 and right hand drive (Japan) 1974-75 models.

Brake Pipes
Pre-Assembled Copper Brake Pipe Kits
At time of writing (2005), copper brake pipe kits are not available for this early type of diagonally split system. While kits are available for the later type of diagonally split system detailed in the next section of this catalogue, most pipe lengths and fittings differ significantly, precluding their use on the early system. Please choose the individual pipes you require from the list below.

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
1	-	BRAKE PIPE KIT, copper, car set	1	Not available - please choose individual pipes.

Pre-Assembled Brake Pipes
Pre-assembled individual brake pipes can be supplied. If you order one of the part numbers below, you will receive a brake pipe assembly made from Cunifer, a superior material which bends to shape easily, doen't work harden and subsequently split and does not corrode. If desired, however, we will supply pipes in original Bundy material or copper - for either of these, please contact us. See 'Connectors and Valves' for an explanation of PDWA.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
2	GPP30TT	BRAKE PIPE, master cylinder primary to PDWA valve	1	LHD. To 7/16 UNC port on valve.
	GPP10AT	BRAKE PIPE, master cylinder primary to PDWA valve	1	RHD, Japan. To 7/16 UNC port on valve.
3	GPP32AA	BRAKE PIPE, master cylinder secondary to PDWA valve	1	LHD. To 3/8 UNF port on valve.
	GPP10AA	BRAKE PIPE, master cylinder secondary to PDWA valve	1	RHD, Japan. To 3/8 UNF port on valve.
4	GPP16AT	BRAKE PIPE, PDWA valve to RH front hose	1	To 7/16 UNC port on valve.
5	GPP30AA	BRAKE PIPE, PDWA valve to connector	1	To 3/8 UNF banjo on valve.
6	GPP18AA	BRAKE PIPE, connector to LH front hose	1
7	GPP10AA	BRAKE PIPE, bridging between front wheel cylinders	2	Drum braked models.
8	GPP96AC	BRAKE PIPE, PDWA valve to RH rear hose	1	Saloon models. To 3/8 UNF banjo bolt on valve.
	GPP102AC	BRAKE PIPE, PDWA valve to RH rear hose	1	Clubman Estate, Van and Pick Up. To 3/8 UNF banjo bolt on valve.
9	GPP116CT	BRAKE PIPE, PDWA valve to LH rear hose	1	Saloon models. To 7/16 UNC port on valve.
	GPP120CT	BRAKE PIPE, PDWA valve to LH rear hose	1	Clubman Estate, Van and Pick Up. To 7/16 UNC port on valve.
10	GPP10AC	BRAKE PIPE, rear hose to rear wheel cylinder	2

Brake Pipe Components
If you have flaring and pipe bending tools to hand, individual components to make up your own brake pipes are also available:
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
11	CNF316	BRAKE PIPE, superior cunifer material, per metre	A/R	Will require cutting and flaring to fit.
	HCP316	BRAKE PIPE, copper material, per metre	A/R	Will require cutting and flaring to fit.
12	TM606031	TUBE NUT, steel, pipe union, 3/8 UNF, male	A/R	Fitting code 'A' in brake pipe part numbers.
	HU1	TUBE NUT, brass, pipe union, 3/8 UNF, male	A/R	Fitting code 'A' in brake pipe part numbers.
	BHA4706	TUBE NUT, steel, pipe union, 7/16 UNC, male	A/R	Fitting code 'T' in brake pipe part numbers.
	HU7	TUBE NUT, brass, pipe union, 7/16 UNC, male	A/R	Fitting code 'T' in brake pipe part numbers.
13	TN606031	TUBE NUT, steel, pipe union, 3/8 UNF, female	A/R	Fitting code 'C' in brake pipe part numbers.
	HU1A	TUBE NUT, brass, pipe union, 3/8 UNF, female	A/R	Fitting code 'C' in brake pipe part numbers.

Brake Hoses
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
14	GBH170	BRAKE HOSE, rubber, front	2	Drum braked models.
	GBH249	BRAKE HOSE, rubber, front	2	Disc braked models.
15	GBH250	BRAKE HOSE, rubber, rear	2

We also stock stainless steel braided hoses - much more durable than the rubber originals, and giving a more positive feel to the brake pedal.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
16	BHS004	BRAKE HOSE SET, stainless steel braided, car set	1	Car set of four brake hoses; for drum or disc braked models.
17	BHS005	BRAKE HOSE SET, stainless steel braided, rear	1	Set of two braided rear brake hoses.
18	21A228	NUT, locking RH front hose to subframe	1
19	2K8686	NUT, locking LH front hose to subframe	1
20	WE600101	WASHER, shakeproof	2
21	3H2287	WASHER, sealing, front hose to front brake	2
22	NT606041	NUT, thin, rear hose to mounting	4
23	LWZ606	WASHER, shakeproof	6

For those converting their Mini to Metro-type four pot callipers and ventilated discs, we can supply an easy-to-fit and safe remedy to the problem of how to plumb in the dual line callipers when there's only one brake pipe to each front brake on a Mini. Our set of stainless steel braided hoses replace the standard front brake hoses and at the same time bridge the gap between the two ports on each calliper, removing the need to replicate the complicated dual line to each calliper set up of the Metro (or indeed the ERA Mini Turbo, which used similar callipers).

Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
24	BHS003	BRAKE HOSE SET, four pot calliper conversion	1

Connectors and Valves
Note that 'PDWA valve' means the 4 way valve with a warning switch attached to the dash crossmember (PDWA actually stands for pressure differential warning activator - in other words, it tells you when you've got a leak). Original brass PDWA valves went through a period of being very thin on the ground, and some owners as a result may have replaced theirs with a later non-Mini cast iron design. Note that switches are not interchangeable between brass and cast iron PDWA valves.
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
25	27H8456	ADAPTOR, master cylinder ports, 7/16 UNC to 3/8 UNF	1/2	Fitted to secondary port on LHD and both ports on RHD.
26	13H5905	PDWA VALVE, with switch, brass	1
	RTC2525	PDWA VALVE, with switch, cast iron	1	Non-standard replacement for original brass PDWA valves.
27	RTC685	SWITCH, PDWA valve	1	For brass PDWA valves.
	AAU1700A	SWITCH, PDWA valve	1	For cast iron PDWA valve.
28	BAU1704A	REPAIR KIT, PDWA valve	1	For brass PDWA valves.
	BAU1775	REPAIR KIT, PDWA valve	1	For cast iron PDWA valve.
29	SH604091	SCREW, PDWA valve to dash crossmember	1
30	LWZ204	WASHER, locking	1
31	21A2518	BANJO CONNECTOR, PDWA valve	1
32	7H7853	BOLT, banjo	1
33	3H550	WASHER, sealing, bolt to banjo	1
34	233220A	WASHER, sealing, banjo to PDWA valve	1
35	BCA4002	CONNECTOR, valve to LH hose pipes	1

Brake Light Switch
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
36	13H3735	SWITCH, brake light, mechanical	1
37	BMK1903A	NUT, locking mechanical brake light switch	1

Clips
Ill. No.	Part No.	Description	Qty. Rqd.	Remarks
38	CAC402	CLIP, double, pipes to dash	2
39	GHF1192	CLIP, single, pipe to dash cossmember	1
40	6K751	SLEEVE, rubber, front to rear brake pipes	A/R

Monday:	09.00am to 17.30pm
Tuesday:	09.00am to 17.30pm
Wednesday:	09.00am to 17.30pm
Thursday:	09.00am to 17.30pm
Friday:	09.00am to 17.30pm
Saturday:	09.00am to 12.00pm

Brake systems - diagonal split with PDWA valve 1974-75

CLIP-SINGLE-BRAKE PIPES TO BULKHEAD

CLIP-DOUBLE-BRAKE PIPES TO BULKHEAD

CONNECTOR-PDWA VALVE TO LH HOSE PIPES-DIAG.'74-'75 (3/8 unf)

BOLT-BANJO, PDWA VALVE DIAG. SPLIT BRAKES, '74-'75

BANJO CONNECTOR-PDWA VALVE-DIAGONAL SPLIT-'74-'75

ADAPTOR-MASTER CYLINDER PORTS-7/16''UNC TO 3/8''UNF

BRAKE PIPE-CUNIFER 120'' 1x3/8''UNF-1x7/16''UNF MALE UNIONS

BRAKE PIPE-CUNIFER 116'' -1x 3/8''UNF-1x7/16''UNF MALE UNION

BRAKE PIPE-CUNIFER 102'' -1x3/8''MALE1x3/8''FEMALE UNF UNION

BRAKE PIPE-CUNIFER 96''-1x3/8''UNF MALE 1x3/8'' FEMALE UNION

BRAKE PIPE-CUNIFER 10'' LONG-1x 3/8''UNF 1x7/16''UNF MALE UN

BRAKE PIPE-CUNIFER 30'' LONG-2x 7/16 UNF MALE UNIONS

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