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Mk2 1.6 Focus Overheating


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#1 gwengo

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Posted 29 November 2013 - 07:31 PM

Hi peeps!!

 

Got a distressing phone call from my wife this evening. She was driving along and her temperature gauge started rising over half way. She has a 2005 mk2 1.6 ford focus titanium, and it's been pretty much trouble free unit now. When I arrived the fans were going ballistic even with the engine off so I popped the bonnet, and noticed straight away that there was no coolant at all in the coolant bottle. I've filled the coolant bottle to get her home and the temp gauge was fine, but I did notice a smell of coolant whilst driving. When I got home and had the car in idle on the driveway, there was a distinct water trickling sound within the car. I looked in the footwell and water/coolant seemed to be dripping from somewhere behind the dash into the footwell, not loads, but enough to wet the carpets. I also looked under the car and noticed that there was a little pool of water, not directly under the engine, but set back a bit to where the exhaust pipe straightens out from the engine. Thats all I could see as it was getting dark.

 

To summarise:

 

• Overheating engine

• Loss of Coolant

• leak coming from behind the centre console on dash inside the car

• Pool of water under car

 

If anyone else has experience this problem, can you please advise. I'm gonna have a look at it tomorrow in the daylight, but if anyone can give me a heads up on what it could be, at least i have some ammunition to fire at the mechanics if I do need to take it to a garage.

 

Cheers all!!!

 

 



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#2 mick85

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Posted 29 November 2013 - 07:36 PM

Yes ur heater matrix is leakin look at pedals an tell me is pipes one piece or is there a join on them

#3 artscot79

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Posted 29 November 2013 - 07:41 PM

Ouch hopefully its an easy to get to pipe or else its a dash out job either the pipe or matrix itself is leaking the puddle will be from the aircon drain under the car ive done one heater matrix on a mk1 and i can see why it costs a lot of money to fix its a night mare to say the least dont be tempted to put leak fix into the coolant system they cause more issues than they fix

#4 mick85

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Posted 29 November 2013 - 07:54 PM

U can replace a matrix without removing the dash but u just have to break piece of plastic which u can glue back on an seal up be as good as new or u can remove complete dash which would take upto twelve 12 front doors have to be removed beleive me u do not want to remove the dash it's worst possible job u can do an prob end up breaking more stuff if u remove dash and I say if u a novice realistically u be look at over 20 hours to remove dash

#5 gwengo

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Posted 29 November 2013 - 09:14 PM

wow, cheers for the quick response and heads up guys. I'm gonna have a look tomorrow, and see what I can do, at least it gets me out of Christmas shopping :D. So correct me if I'm wrong, does the coolant circulate from around the engine, radiator and into the cabin?



#6 JonS

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Posted 29 November 2013 - 09:20 PM

I changed the heater matrix in our 2008 Mk2 about 2 years ago - freezing cold in a cramped garage, it was certainly quite an involved procedure.  I'd suggest getting a Haynes manual and following it carefully.  Bag up and label the screws, bolts etc. as you go.  Main points I recall:

 

- The dash did have to come out

- Managed to leave the steering column in place, although Haynes says you must remove it

- Clutch hydraulics have to be disconnected and the master cylinder unbolted

- Original pipes to matrix have to be sawn through to remove.  The new one comes with O rings and joints in the pipes.

- Didn't need to take the doors off - as long as you can open them enough to get the dash out.

 

I'd be interested to know more about the previous tip from Mick85 about breaking some plastic part which avoids removing the dash.  Just in case I have to do it again..........



#7 gwengo

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Posted 29 November 2013 - 09:30 PM

Cheers for the tips Jon, I am looking through the Haynes manual now :) currently reading up on how to drain the system. I might do this at the same time. It looks pretty cramped where the leak seems to be, around by the pedals, so I think I'll investigate further tomorrow before taking anything apart, and probably get a quote from a garage first.



#8 mick85

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Posted 29 November 2013 - 09:40 PM

Here how coolant system work consists of water pump thermostat radiator coolant sensor and heater matrix thermostat is closed when u start car to get get engine hot quicker to be fuel efficient an to heat inside faster when engine gets between 80 an 90 the thermostat open let's water circulate from rad stop engine overheat that's basic a basic run down an ur fan inside car blows at little heater matrix that's were ur hot air come from now I know there more to it then that it's just simple way explaining it

#9 gwengo

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Posted 29 November 2013 - 09:43 PM

Ah ok, cheers mick.



#10 mick85

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Posted 29 November 2013 - 10:05 PM

Seriously u can do them without removing dash so go ds footwell remove kick panel at centre console so u can see the the pipes then remove the metal plate in ur way then if car fitted wit a pre heater remove that also then remove as many screw u have access to on heater box so u u can partially move the matrix so there will be plastic blocking u pulling out matrix now be gentle pull up towards steering wheel wit both hands an break piece off then cut ur pipes and remove matrix now when u put back together an put screws In it will fit like jigsaw u can put sealer on if not clean break now remember this only a plastic box which u will never see once it back together now I know people might say I I don't wanna break piece plastic but believe me until u strip out full dash u would no it never truly goes back way it came out an chances are u break more things removing hole dash this a 2 hour job an beleive me u be easily 2 days in a workshop wit all tools beside u so In ur garden or own garage this is the way to go save urself so much heart ache

#11 gwengo

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Posted 29 November 2013 - 10:13 PM

superb, thanks for the reassurance mick. I'm definitely gonna have a go myself, even if it's just to inspect the area at fault. I take it when you have to cut the pipes, a new heater matrix will have new pipes included?



#12 mick85

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Posted 29 November 2013 - 11:41 PM

Yeah when u get new one it has joiner pipes now one piece of advice hardest part is gettin pipes to join there 2 I rings needed I would order 6 cause they can catch but I found drop brake fluid on them works a threat an they usually slide on easily if u do try it urself an any problems let me know I try help u out

#13 gwengo

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Posted 30 November 2013 - 12:11 AM

Cheers mate, much appreciated, I don't doubt at all that I will be hassling you tomorrow for some more info ;)

#14 mick85

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Posted 30 November 2013 - 12:42 AM

Ha no problem anything ya need we hear to help an try save u a few quid comin up to Christmas this stuff always at worst time I feel ur pain haha

#15 jeebowhite

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Posted 02 December 2013 - 05:06 PM

I am looking forward to your success on this one Paul!

 

Perhaps a guide with photos and blood is in order ;)

 

*nod nod, wink wink*



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