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Topic: Poor heat (Read 2065 times) |
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macroy
Full Member
White 24v Ultima Cosworth Estate
 
Posts: 207
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Hi,having a problem with my heater,it is not giving out much heat.I have checked the inlet and outlet pipes to the matrix and these are both really hot,could I have an airlock or is it something more serious.Any help please.Thanks,Roy. 
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Simmo
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Re: Poor heat
« Reply #1 on: Dec 8th, 2006, 2:46pm » |
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Is the fan working ?. Have you done a re-set if you have Climate control? details are Here.
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #2 on: Dec 8th, 2006, 3:36pm » |
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The fan is working and have done a re-set but still the same,no fault codes ,showing 00,thanks Roy.
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Poor heat
« Reply #3 on: Dec 8th, 2006, 3:44pm » |
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Have a read of, and try The Johnnycab cure 
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #4 on: Dec 8th, 2006, 4:19pm » |
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Thanks Simmo,gone dark now but will give it a try tomorrow,Roy.
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #5 on: Dec 9th, 2006, 2:29pm » |
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Tried as suggested and did another re-set but just the same is there anything else you may know of? thanks,Roy.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Poor heat
« Reply #6 on: Dec 9th, 2006, 4:25pm » |
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hi there
1. blocked matrix.
2. air lock.
3. air flap(s) broken. think a member had one broken on his car (dj?)
when you flushed the system, was it running clear? did you get all the air out of the system?
hth
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #7 on: Dec 9th, 2006, 4:35pm » |
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Hi,yes the water was running clear but I have just put another post on due to the fact that when I was doing a c c re-set, number 53 appeared on the passenger side before I selected 50 and I was wondering if this was a fault code for the outside temp sensor and if this would interfere with the heat output from the heater,any thoughts on this? thanks,Roy.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Poor heat
« Reply #8 on: Dec 9th, 2006, 4:39pm » |
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hi there
not sure.  i would have though [HI] would have overridden the outside temp sensor.
hth
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Poor heat
« Reply #9 on: Dec 9th, 2006, 4:40pm » |
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hi there
did the error code go away after the reset? or just stay there even after a couple of resets?
hth
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #10 on: Dec 9th, 2006, 5:22pm » |
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Hi,It showed 53,I then pressed the blue button which then showed 50,I then pressed recirculation to give the 00 and pressed ac and recirc together and then everything was normal no sign of the 53 very confusing to me.
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Poor heat
« Reply #11 on: Dec 9th, 2006, 7:24pm » |
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Have you checked/replaced the pollen filters? Here as if they are blocked up they might be impeding the air flow thus preventing the fan from forcing enough air over the matrix.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Poor heat
« Reply #12 on: Dec 10th, 2006, 12:56am » |
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It does sound like the matrix is restricted.
Hot coolant can still go in & out, but the veins may be almost blocked....so little heat. 
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #13 on: Dec 10th, 2006, 12:02pm » |
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Hi and thanks for the help.I have just ordered some filters from Jetex so will fit these when they arrive but am now getting resigned to the fact that the matrix is restricted as Jonnycab suggests,I have read all previous posts on the subject and a new matrix seems to be the only cure. 
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solarpanel
Full Member
I love YaBB 1G - SP1!
Posts: 551
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Re: Poor heat
« Reply #14 on: Dec 11th, 2006, 9:30pm » |
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been having probs with the heater in mine aswell,have tried "the jonnycab" twice with no luck,so took off the hoses at back of engine and put hosepipe to the matrix back flushed one way then the other way [twice]reconnected the pipes, took both of the small pipes from header tank off,hooked the pipe from rad to bonnet catch held the other one up aswell started to fill with coolant then started the engine while still filling with coolant,after 5 mins with the coolant level at min switched off engine put both pipes back on,restarted engine,checked level fitted cap, road test and so far super heater.
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macroy
Full Member
White 24v Ultima Cosworth Estate
Posts: 207
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Re: Poor heat
« Reply #15 on: Dec 12th, 2006, 1:55pm » |
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Thanks,I have tried backflushing already but I will try it again the way that you did it and see how it goes.
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Poor heat
« Reply #16 on: Dec 13th, 2006, 1:32am » |
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I tried backflushing & forward flushing & eventually got some heat out....but it only lasted a few days
Some people have tried putting various household lime scale removers etc in the matrix & leaving it over night.....but as far as I know, it has never worked long term.
And because the matrix is made of aluminium, then any cleaner that is too strong may cause a leak
Replace the matrix....it takes a couple of days....but at least you will know that you've done the job properly & saved yourself a s**t load of cash, & it will last for as long as you keep the car.
But do it now, before it gets too cold.....I did mine in February this year....it was freezing & I could hardly feel my fingers while doing it. 
I remember someone else on this site doing it at the same time & their quote was..."I pray for endless summers"
But if you've got a heated garage, then you're laughing
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Dave2302
Senior Member
2006 Mercedes S55 AMG, Retired Barefoot Waterskier
Posts: 1119
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Re: Poor heat
« Reply #17 on: Dec 13th, 2006, 9:57am » |
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Hi,
Yeah, I did all the other s**t, all to no avail. Fact is set on HI these systems will override everything and pump out air that is so hot you almost can't hold your hand over the duct for more than a minute when the matrix is new.
I replaced my matrix, (about £100 from FMD). A good day and a half's work, and it is now lovely, so hot I keep turning it down !!
Regards
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Dave "The 'ol Bear" ex Footer !
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: Poor heat
« Reply #18 on: Dec 13th, 2006, 10:15am » |
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Have a look at This
Hope this helps someone out.
Guy.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Poor heat
« Reply #19 on: Dec 13th, 2006, 10:31am » |
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hi there
spotted this on the g&s site. no sure if the scorpio is the same or not.
could someone who's replaced their confirm?
hth
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