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Author Subject: heater matrix bypass
richgti6

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Location: plymouth

Registered: 03 Jun 2007

Posts: 104

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Post #1
Can anybody offer me some advice please? my heater matrix is going and I cant really afford to get it changed so thought I would bypass it.

Is there anybody that has done this? if so, does anybody know the size of the pipe and where is best to join it and how? any pictures would be appreciated just so Im clear with what Im doing.

I'm a novice when it comes to cars.

Thanks for any help
Posted 7th May 2009 at 21:34
jonnie205

Seasoned Pro

Location: Bicester

Registered: 10 Apr 2005

Posts: 4,146

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Post #2
pull both heather matrix pipes off engine.
connect outlets on engine together using a piece of pipe or blank the outlets with hose blanks.
refil rad with coolant.
bleed system
Posted 7th May 2009 at 23:16
puglover Banned!

Location: Far out there

Registered: 08 Jun 2006

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Post #3
this is what ive done




was going to FAQ it but couldnt be assed

one end is 19mm one is 22mm

get a 180 degree 22mm bend from demon motorsport off ebay, then get a 22mm - 22mm hose joiner and another piece of straight reducer 22mm-19mm and cut it to length and join. Smile

Cost about
Posted 7th May 2009 at 23:26
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

Posts: 7,759

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Post #4
That's tidy Yes

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Posted 7th May 2009 at 23:34
adam b

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Registered: 24 Jan 2006

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Post #5
One end is 22mm is it? I've got a 19mm U-bend bit of pipe from Siliconhoses.com on mine, slightly chopped at one end. Thought it was a bit tight...LOL

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Posted 7th May 2009 at 23:47
monkeyman

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Post #6
If both ends were 22mm you could plumb in your own in car radiator.

Mmmm toasty

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Posted 8th May 2009 at 00:06
birk

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Location: Doncaster

Registered: 24 Oct 2005

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Post #7
You not having any heaters then puglover/adam-b ?

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Posted 8th May 2009 at 00:13
puglover Banned!

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Post #8
nope to much weight LOL

nah i figured my matrix was kerput as i was nearly dieing from coolant fumes when driving so figured instead of spending money on a matrix id bypass it rip the heater out, save some weight and buy heated screen.

will also allow me to run a cage bar across inside the dash as this is part of the Custom cages cage ill be fitting eventually and besides feeling cold is all in the mind. Unsure

I may come to regret this yet but ill save the heater in case i need it back. Apparantly it gets hot inside the car with no carpet anyway from the exhaust etc.
Posted 8th May 2009 at 00:27
birk

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Location: Doncaster

Registered: 24 Oct 2005

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Post #9
LOL crazy lad

Ive been thinking about taking mine out and having no dash, but i reckon when it comes to winter i'd regret it, i dont have a heated screen like you will.

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Posted 8th May 2009 at 16:42
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #10
hmm, why spend

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Posted 8th May 2009 at 16:55
black 6

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Post #11
welshpug! wrote:
hmm, why spend

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Posted 8th May 2009 at 19:07
puglover Banned!

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Post #12
welshpug! wrote:
hmm, why spend
Posted 8th May 2009 at 23:47
richgti6

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Location: plymouth

Registered: 03 Jun 2007

Posts: 104

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Post #13
Thanks guys. Might just buy a 10 pound heater for the cigarette lighter off ebay until I can afford to get it fixed properly!
Posted 11th May 2009 at 21:12
farmer

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Post #14
Cheers for the pic John, have now copied that setup on my car Smile

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Posted 21st May 2009 at 21:11
dr-evil

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Post #15
welshpug! wrote:
hmm, why spend

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Posted 21st May 2009 at 21:47
720puggti

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Location: West London

Registered: 18 Jan 2009

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Post #16
i think my heater matric is blocked too! but i don't think i'll bypass it although is that a nice set up you have puglover Smile i don't think i'd be able to survive without the heater. especially in the winter!

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Posted 22nd May 2009 at 00:52
mattgti6phase2

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Location: inside my 6 abusing the tarmac!!

Registered: 16 Jul 2010

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Post #17
puglover wrote:
this is what ive done




was going to FAQ it but couldnt be assed

one end is 19mm one is 22mm

get a 180 degree 22mm bend from demon motorsport off ebay, then get a 22mm - 22mm hose joiner and another piece of straight reducer 22mm-19mm and cut it to length and join. Smile

Cost about


Is this the OD of the piping??

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Posted 22nd Sep 2012 at 11:39
jbradders

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Location: Strood

Registered: 01 Dec 2008

Posts: 150

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Post #18
ID of the hoses
Posted 22nd Sep 2012 at 11:47
mattgti6phase2

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Post #19
Would one piece of 22mm ID hose do the job to as I'm guessing you'd be able to clamp the hose tight enough on the end which is 19mm?

________________________________________

Team Nile 6 Superman
Team: 40.2 MPG Smile
5 x a 306 owner!
currently abusing type r's in a town near you Wink
I truely live for the 306 ®
Build date: 29th October 1997 Wednesday's car
midweek madness Tee hee
Posted 22nd Sep 2012 at 13:04
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #20
You possibly could clamp it tight enough Matt, but to be honest for peace of mind I would get the correct size. Yes

Not worth the risk IMO of having a coolant leak and HG pop. Wink

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Posted 22nd Sep 2012 at 13:15
mattgti6phase2

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Location: inside my 6 abusing the tarmac!!

Registered: 16 Jul 2010

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Post #21
Very true. This is only a temp fix as my matrix has started to leak and completely fog up the inside of my car Sad so just gonna bypass for 2 weeks until my mate can help me rip the dash out.

So to clarify 1x22mm ID pipe 1x19mm ID pipe and 1x19mm ID - 22mm ID straight connector?

Also whilst this thread is still on topic, I'm completely removing the AC matrix and box for non AC as i have the AC delete set up. My question is will the fan switch still work with the existing fan speed switch or will i need the non AC switch which has speeds labelled 1-4??

________________________________________

Team Nile 6 Superman
Team: 40.2 MPG Smile
5 x a 306 owner!
currently abusing type r's in a town near you Wink
I truely live for the 306 ®
Build date: 29th October 1997 Wednesday's car
midweek madness Tee hee
Posted 22nd Sep 2012 at 13:32
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,784

Status: Offline

Post #22
mattgti6phase2 wrote:
So to clarify 1x22mm ID pipe 1x19mm ID pipe and 1x19mm ID - 22mm ID straight connector?


Yes This is correct.

mattgti6phase2 wrote:
Also whilst this thread is still on topic, I'm completely removing the AC matrix and box for non AC as i have the AC delete set up. My question is will the fan switch still work with the existing fan speed switch or will i need the non AC switch which has speeds labelled 1-4??


What is an "AC delete setup" ? Dunno

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 22nd Sep 2012 at 15:29
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,808

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Post #23
a 306 rallye Thumbs up

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 22nd Sep 2012 at 15:47
mattgti6phase2

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Registered: 16 Jul 2010

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Post #24
Also are all non AC matrix's the same across the 306 range? Or will I be presented with a million and one options from my local motor factors?

________________________________________

Team Nile 6 Superman
Team: 40.2 MPG Smile
5 x a 306 owner!
currently abusing type r's in a town near you Wink
I truely live for the 306 ®
Build date: 29th October 1997 Wednesday's car
midweek madness Tee hee
Posted 22nd Sep 2012 at 16:41
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,808

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Post #25
You do know youll need the heater box, all the controls, poss some wiring which is stuck to the dash, a heater blower motor, and to cut a new hole in the bulkhead, and block the old one.


Should just be the valeo type.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 22nd Sep 2012 at 18:32

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