Re: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

2020-04-07 Thread Derek Clews 
HI James,

Don’t know if this will help, but I ended up fitting a 102/93C Cambiare VE7096. 
fan switch in the standard housing for varying reasons.  Not least running out 
of time for re-mot’ing the car and having it in my hand!  That one has a 
slightly different range than most, but I find it works well as it takes the 
temp down a noticeable amount before switching off again compared to the often 
quoted 103/98C ones.  I also found that ebay suppliers frequently 
miss-represent the connectors and this one had two standard spades, which is 
easy to DIY replace getting rid of the old ford connector.  There seem to a 
number of different ones that fit the housing and thread, so there is a lot of 
choice.  I also went for the simple approach and just made a short jumper cable 
to add to the car kit if I wanted to manually switch it on in future if there 
was a switch failure.  But will probably never have one again!

Keep well

Derek





> On 7 Apr 2020, at 11:22, Dave English  wrote:
> 
> Hi James.
> 
> I know your car is a 1600 so I'm guessing it's XR2 based with vented discs. 
> My early build manual for the 2+2 says to use 17.5mm cylinders (OE number 
> 1630360). These would normally be fitted to non-XR2 Fiestas with rear brake 
> compensators.
> 
> The 2+2 manual also says to use the rear compensators with these cylinders. 
> As I started building mine before the manual came out and was working from 
> the Saloon manual, I never fitted the compensators but I still use the 17.5mm 
> cylinders.
> 
> So, if you've vented discs at the front, use 17.5mm cylinders at the back, 
> with or without the rear compensators.
> 
> As far as I'm aware Ferrodo are still fine, I usually get my brakes from 
> Halfords or Exhausts Unlimited and haven't had any problems.
> Discs - a quick look on E-bay came up with Mintex and QH discs for less than 
> £30 a pair and Burton Power do a pair for £36 + postage.
> 
> As for the switch problem, sorry, I can't help. I have a 24" 'Breaker' bar 
> and a single hex, double depth socket, so when I changed my switch, it didn't 
> resist for long!
> For it's replacement, look for a switch with a 103-98 degree range (or there 
> about). I fitted the (supposedly also correct) 95-88 one and it's too low 
> with an 88 degree thermostat.
> 
> Regards
> Dave English
> Q2-009
> 
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> basis, without warranty or the implication thereof. Neither the Quantum 
> Owners Club nor the individuals associated with the Quantum Owners Club or in 
> the preparation of the above information shall have any liability to any 
> person or entity with respect to liability, loss, or damage caused or alleged 
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RE: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

2020-04-06 Thread susanandmartin 
I finally managed to open the parts file I had (I wish Microsoft wouldn’t 
change things when I get a different computer!
My car is a saloon, and may not be the same as the 2+2 due to weight 
distribution.
It uses 15mm ones, which are Diesel Fiesta. Part number is off my list, which 
from the RH column suggests all Fiestas except XR2 are 17.5mm

Rear Brake Cylinder
84FB
2261
AC
1630359
Fiesta Diesel 1.6 part 15mm Dia (XR2 is 20mm- others 17.5)

I got another pair (a5mm diesel)  off ebay last year because mine seized up 
(lack of use!)
My car passed SVA with this set -up (It has the G valves near wheelarch)
My best suggestion is to pop a cylinder out of yours and measure it with 
Vernier to find diameter and buy the same. 
Hope that makes sense, Martin Scott

Sent from Mail for Windows 10

From: 'Jamest142' via Quantum Owners Group
Sent: 06 April 2020 13:42
To: Quantum Owners Group
Subject: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

Hiya folks

I am after some advise please?  I am looking to change the rear brake cylinders 
on Q2-002 as I have a very minor weep issue, I have read both the build 
manuals, and both state that these are not standard Fiesta parts.  The late 
build manual says 'change the rear wheel cylinders to the correct size, new 
ones are supplied in the kit', and the original build manual says '17.5mm for 
Vented Front discs, and 15mm for solid front discs, this is not the same on any 
other Fiesta'... 

Does anyone know of the correct parts please, and also are Ferrodo still the 
brake shoe brand of choice, or is there anything more suitable?  Also I may 
change the front discs / pads as I am not going anywhere fast (pun intended!), 
is there anything to look out for on these in terms of brand etc?

Finally - the fan control switch has failed, I have a new one to fit, but no 
amount of socket work will shift it, and I am heading for causing damage - any 
recommendations for where and how to fit an new switch to the cooling system, 
or should i just fit a manual switch on the dashboard?

Hope you are all keeping safe, and best regards

James T
Q2-002
www.bostin.photography

 
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Club nor the individuals associated with the Quantum Owners Club or in the 
preparation of the above information shall have any liability to any person or 
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caused directly or indirectly by the instructions contained within this or 
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Club nor the individuals associated with the Quantum Owners Club or in the 
preparation of the above information shall have any liability to any person or 
entity with respect to liability, loss, or damage caused or alleged to be 
caused directly or indirectly by the instructions contained within this or 
related message(s).
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Re: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

2020-04-06 Thread kynastonp . 
Jim is correct ,the early saloons did not fit the rear limiting valves and 
quantum specified the smaller rear cylinders to balance out the brakes. Over 
time some cars were fitted with the larger cylinders when maintenance was done 
and this caused problems to owners. The factory sent out a warning notice to 
owners about this . They then modified the cars to take the limiting valve 
,marked the location on the body and included the instructions on how to modify 
the valve bracket .

Sent from Outlook Mobile<https://aka.ms/blhgte>

From: quantumowners@googlegroups.com  on behalf 
of Jim Hearne 
Sent: Monday, April 6, 2020 2:42:38 PM
To: quantumowners@googlegroups.com 
Subject: Re: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

The rear  brake cylinders are from Mk1 / Mk2 Fiesta

Possible sizes are:

Mk1 Fiesta:

15 mm
17.5 mm
19 mm

Mk2 Fiesta

15 mm
17.5 mm
20.6 mm

The bigger sizes are for the XR2
The actual size Quantum recommended changed and it was also different depending 
on if you fitted the rear bias / inertia valves to limit the rear brake 
pressure.
The problem is the rear of the 2+2 is a lot lighter than the rear of a Mk1 or 
Mk2 Fiesta and the rear wheels can lock under heavy braking which isn’t a good 
thing.
I seem to remember i was asked when i bought my kit what my car spec was and if 
i was using the rear bias valves and Quantum supplied the correct size.

If you’ve had no problems with the rear brakes then i would refit whatever size 
is on there.
If you take the drum off and pull the rubber back you should be able to measure 
the bore dia with some calipers without having the remove anything else.


If you have a gas torch or hot air gun then get the engine hot, drain some of 
the coolant off (carefully) and then heat the switch as much as you can.
This may free it off.
Otherwise, you will have to fit one in the top hose, you can buy adaptors from 
the kit car parts suppliers, a tube with a boss in to take a switch.

If you manage to get the switch out or fit a different one then make sure you 
replace the connector.
As soon as the connector or switch contacts overheat they damage the other 
half, replacing the switch with a overheated connector will just result in the 
connection overheating again and needing another new switch.
Ideally the fan should be switched via a relay.
Interestingly while sorting out a early Mk1 Fiesta loom for 003 i found there 
was a factory fitted relay on the fan, something they must have dropped later 
to save a few pennys.

Jim


From: 'Jamest142' via Quantum Owners Group
Sent: Monday, April 6, 2020 1:42 PM
To: Quantum Owners Group
Subject: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

Hiya folks

I am after some advise please?  I am looking to change the rear brake cylinders 
on Q2-002 as I have a very minor weep issue, I have read both the build 
manuals, and both state that these are not standard Fiesta parts.  The late 
build manual says 'change the rear wheel cylinders to the correct size, new 
ones are supplied in the kit', and the original build manual says '17.5mm for 
Vented Front discs, and 15mm for solid front discs, this is not the same on any 
other Fiesta'...

Does anyone know of the correct parts please, and also are Ferrodo still the 
brake shoe brand of choice, or is there anything more suitable?  Also I may 
change the front discs / pads as I am not going anywhere fast (pun intended!), 
is there anything to look out for on these in terms of brand etc?

Finally - the fan control switch has failed, I have a new one to fit, but no 
amount of socket work will shift it, and I am heading for causing damage - any 
recommendations for where and how to fit an new switch to the cooling system, 
or should i just fit a manual switch on the dashboard?

Hope you are all keeping safe, and best regards

James T
Q2-002
www.bostin.photography


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IMPORTANT NOTE: All information presented herewith is provided on an "As Is" 
basis, without warranty or the implication thereof. Neither the Quantum Owners 
Club nor the individuals associated with the Quantum Owners Club or in the 
preparation of the above information shall have any liability to any person or 
entity with respect to liability, loss, or damage caused or alleged to be 
caused directly or indirectly by the instructions contained within this or 
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Re: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

2020-04-06 Thread Jim Hearne 
Links to the brake cylinder details.

Mk1 
https://ford.catalogs-parts.com/#{client:1;page:part;lang:en;category:car;catalog:4;param:no;group:0;groupsubgroup:1517;subgroup:15136;subsubgroup:65638}
Mk2 
https://ford.catalogs-parts.com/#{client:1;page:part;lang:en;category:car;catalog:4;param:no;group:0;groupsubgroup:1517;subgroup:15136;subsubgroup:65639}

Jim


From: 'Jamest142' via Quantum Owners Group 
Sent: Monday, April 6, 2020 1:42 PM
To: Quantum Owners Group 
Subject: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

Hiya folks 

I am after some advise please?  I am looking to change the rear brake cylinders 
on Q2-002 as I have a very minor weep issue, I have read both the build 
manuals, and both state that these are not standard Fiesta parts.  The late 
build manual says 'change the rear wheel cylinders to the correct size, new 
ones are supplied in the kit', and the original build manual says '17.5mm for 
Vented Front discs, and 15mm for solid front discs, this is not the same on any 
other Fiesta'... 

Does anyone know of the correct parts please, and also are Ferrodo still the 
brake shoe brand of choice, or is there anything more suitable?  Also I may 
change the front discs / pads as I am not going anywhere fast (pun intended!), 
is there anything to look out for on these in terms of brand etc?

Finally - the fan control switch has failed, I have a new one to fit, but no 
amount of socket work will shift it, and I am heading for causing damage - any 
recommendations for where and how to fit an new switch to the cooling system, 
or should i just fit a manual switch on the dashboard?

Hope you are all keeping safe, and best regards

James T
Q2-002
www.bostin.photography


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basis, without warranty or the implication thereof. Neither the Quantum Owners 
Club nor the individuals associated with the Quantum Owners Club or in the 
preparation of the above information shall have any liability to any person or 
entity with respect to liability, loss, or damage caused or alleged to be 
caused directly or indirectly by the instructions contained within this or 
related message(s).
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IMPORTANT NOTE: All information presented herewith is provided on an "As Is" 
basis, without warranty or the implication thereof. Neither the Quantum Owners 
Club nor the individuals associated with the Quantum Owners Club or in the 
preparation of the above information shall have any liability to any person or 
entity with respect to liability, loss, or damage caused or alleged to be 
caused directly or indirectly by the instructions contained within this or 
related message(s).
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Re: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

2020-04-06 Thread Jim Hearne 
The rear  brake cylinders are from Mk1 / Mk2 Fiesta

Possible sizes are:

Mk1 Fiesta:

15 mm
17.5 mm
19 mm

Mk2 Fiesta

15 mm
17.5 mm
20.6 mm

The bigger sizes are for the XR2
The actual size Quantum recommended changed and it was also different depending 
on if you fitted the rear bias / inertia valves to limit the rear brake 
pressure.
The problem is the rear of the 2+2 is a lot lighter than the rear of a Mk1 or 
Mk2 Fiesta and the rear wheels can lock under heavy braking which isn’t a good 
thing.
I seem to remember i was asked when i bought my kit what my car spec was and if 
i was using the rear bias valves and Quantum supplied the correct size.

If you’ve had no problems with the rear brakes then i would refit whatever size 
is on there.
If you take the drum off and pull the rubber back you should be able to measure 
the bore dia with some calipers without having the remove anything else.


If you have a gas torch or hot air gun then get the engine hot, drain some of 
the coolant off (carefully) and then heat the switch as much as you can.
This may free it off.
Otherwise, you will have to fit one in the top hose, you can buy adaptors from 
the kit car parts suppliers, a tube with a boss in to take a switch.

If you manage to get the switch out or fit a different one then make sure you 
replace the connector.
As soon as the connector or switch contacts overheat they damage the other 
half, replacing the switch with a overheated connector will just result in the 
connection overheating again and needing another new switch.
Ideally the fan should be switched via a relay.
Interestingly while sorting out a early Mk1 Fiesta loom for 003 i found there 
was a factory fitted relay on the fan, something they must have dropped later 
to save a few pennys.

Jim


From: 'Jamest142' via Quantum Owners Group 
Sent: Monday, April 6, 2020 1:42 PM
To: Quantum Owners Group 
Subject: [Quantum Owners] Quantum 2+2 Brakes advise please (and fan switch!)

Hiya folks 

I am after some advise please?  I am looking to change the rear brake cylinders 
on Q2-002 as I have a very minor weep issue, I have read both the build 
manuals, and both state that these are not standard Fiesta parts.  The late 
build manual says 'change the rear wheel cylinders to the correct size, new 
ones are supplied in the kit', and the original build manual says '17.5mm for 
Vented Front discs, and 15mm for solid front discs, this is not the same on any 
other Fiesta'... 

Does anyone know of the correct parts please, and also are Ferrodo still the 
brake shoe brand of choice, or is there anything more suitable?  Also I may 
change the front discs / pads as I am not going anywhere fast (pun intended!), 
is there anything to look out for on these in terms of brand etc?

Finally - the fan control switch has failed, I have a new one to fit, but no 
amount of socket work will shift it, and I am heading for causing damage - any 
recommendations for where and how to fit an new switch to the cooling system, 
or should i just fit a manual switch on the dashboard?

Hope you are all keeping safe, and best regards

James T
Q2-002
www.bostin.photography


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IMPORTANT NOTE: All information presented herewith is provided on an "As Is" 
basis, without warranty or the implication thereof. Neither the Quantum Owners 
Club nor the individuals associated with the Quantum Owners Club or in the 
preparation of the above information shall have any liability to any person or 
entity with respect to liability, loss, or damage caused or alleged to be 
caused directly or indirectly by the instructions contained within this or 
related message(s).
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IMPORTANT NOTE: All information presented herewith is provided on an "As Is" 
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Club nor the individuals associated with the Quantum Owners Club or in the 
preparation o