Forumite Members › General Topics › Motoring › Motoring Problems › Anti Freeze
- This topic has 17 replies, 6 voices, and was last updated 7 years, 11 months ago by
Bob Williams.
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March 21, 2018 at 9:40 pm #17972
My car has always had a minor water leak, November 2017 I had it checked and it was said to be the switch (I think it’s something that tells the car how the rads doing?) It was replaced.
Yesterday I noticed the temp went above the norm. I checked the water this morning and it had lost just over a litre. (I don’t think the leak has been found/fixed.)
Any way I topped it with half water and half anti freeze.
Could I have just topped it with Anti Freeze, guessing it would need topping every 4-5 months, meaning if I topped it with just anti freeze, eventually it would be nothing but anti freeze.
Would that be good or bad.
Cheers
JohnMarch 21, 2018 at 9:47 pm #17973Hi John,
That’s assuming the leak is in the radiator – it could be anywhere in the cooling system to include the cylinder head gasket which if that goes ….. !! £££££££. It does seem to be a slow leak but a leak none the less – one trick would be to drop some Radweld into the radiator and top up with water and allow it to do its business. Worked for me many many times when money was tight many years ago. Worth a try – don’t know if Radweld is still made but there must be similar stuff on the market – radiators still leak!
If not a rad or a hose leak, need to check around the water pump area, heater pipes and generally anywhere the water circulates around to.
Radweld will not cure leaking hoses but might be OK for a leaking water pump for a while. I think once you have put Radweld in, top up with WATER and, from memory, you may have to drain the system later on. Then once cured re-fill correctly.
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March 21, 2018 at 9:56 pm #17974Thanks Dave
Why didn’t I think of that (rad weld) worth a go. I will wait till it needs topping though. then there will be space for it.
If it needs emptying that’s behond my capabilities or and hoses. My back was killing me just undoing the screw on the bottle.
I now have Holts Radweld on order.
Edit:
Emptying and refilling is a bleed in nuisance
Cheers
JohnMarch 22, 2018 at 4:17 pm #17993JB, if you check everywhere and find no leak under the bonnet, feel at the carpet directly beneath the dash. If it’s wet, it might be a leak from the Heater Matrix. If it’s dry, after you have driven somewhere, leave the engine running and stand behind the car, get someone to rev it slightly. Any white smoke? Might be a cylinder head problem: leaking gasket or valve. Check your engine oil: any water/oil emulsion? Defo leaking head gasket, maybe valve(s). Not trying to frighten you, might be something simple and quick.
What make & model is your car JB?
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I'm out.March 22, 2018 at 5:01 pm #17996I wonder if one of the rad caps is just very slightly weeping when things get hot? The tiny traces of steam might not be noticed unless there is a very good nose in the area at the time. However, Bob, has a few very much more likely suggestions to try first. If you do need to check the caps only do it when the engine is cold…
March 22, 2018 at 7:20 pm #17999Bob it’s a Peugeot 206 (53-2003)
It has leaked for a long time.
Last year the carpet passengers side was soaking, I had a new matrix (Eurofit), the carpet isn’t wet.
Since then it has still leaked November 2017 I went to Eurofit with the leak and they said it was the switch?
I had a new switch, still it leaks. I have only re checked yesterday and noticed it had lost a litre in the tank.
I don’t check it weakly as it must be a slow leak.
Richard in you saying that, I only seem to notice the engine warming above no rm after being idle for a while andreversing up a hill. Once on the straight/flat going forward it seems normal.
It was the temp rising that prompted me to check the rad.
What caps?
Cheers
JohnMarch 22, 2018 at 7:40 pm #18000Radiator
March 22, 2018 at 9:31 pm #18001March 23, 2018 at 9:04 am #18009Yes John, that one. As long as it’s not cracked or damaged any other way and not cross-threaded it should be ok.
March 23, 2018 at 9:49 am #18013Cheers PM
It’s a lovely tight fit, I always make sure not to cross thread it.
Cheers
JohnMarch 23, 2018 at 11:06 am #18017There can be more than one cap, some have seals and at least one ‘might’ have a pressure relief valve to vent any over pressure. I assume that the system has an overflow catch tank the status of that can be overlooked as sometimes it looks like a washer bottle and is sometimes rather tucked away. The small pipe can fail and allow either pressure leaks or water droplets to escape.
However, if the system has a history of leaking that could be a more obscure issue and I have no desire to float off on a raft of speculation.
March 23, 2018 at 6:42 pm #18047JB I’m not sure which switch is involved, did they show you which one? Could be the temperature sender unit, which passes info to the dash temperature guage, YouTube video:
If that was leaking over time and then was fixed, there must be another cause, a litre is a lot to lose. Did you check engine oil for water? Take a look at the dipstick and oil filler cap, if there is any stuff like mayonnaise, it’s a head problem. Any decent small garages near you? Ask friends and neighbours. I hate these Eurofit/Kwikfit type places, they are franchises and make money out of parts and whatever jobs they can dream up.
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I'm out.March 23, 2018 at 7:18 pm #18055Bob, too true they told me I needed new disks at about 28,000 miles a number of years ago, but 10 years later and by 96,500 miles I did. I had them done by my usual service garage.
March 23, 2018 at 7:41 pm #18056I have my car taken care of at a place nearby. Been going there for years on and off. Until mum got newer cars used to take hers there as well. Not the cheapest place but I’ve never had a reason to complain yet. If I had a major issue with them I could hobble there, it would ruin me for a few days and take about an hour but at least they know I can get there.
Tippon and maybe Mr Rice will possibly know the place, directly opposite the Grangetown train station entrance /exit.
March 23, 2018 at 8:41 pm #18057I know I often harp on about the place where I was workshop foreman for many years, but we prided ourselves on looking after the local motoring community as fairly as possible. A pit village until 1988, there was also a fairly well-to-do larger village 2 miles away, stretching into the A60 Nottingham road where the real money was. A surprising number of wealthy folk used to come to us: one in particular had been co-owner of an Estate Agency chain, sold out to his younger partner and retired. He had been running pre-owned BMW’s to that point and we carried out all his servicing and repairs. He decided to put some of his new wealth into a 735i, and went to a Nottingham main dealer to buy it. Got himself a good deal (estate agent, right?) and then shocked them by saying he wanted us to service and maintain it. They refused, so he walked out. They called him back and tried to talk down to him: big mistake. he walked again. In the end they settled for carrying out the first service and making us take genuine BMW parts. When I left (’95), he still had the car and the garage was still servicing it, but after the warranty ended it was pattern parts.
The same chap told me something interesting when the Poll Tax came out. He said that it meant that he could now buy his daughter a much better car, whilst guys like me were running what we could. Considering his wealth, there was nothing standoffish about him: he once went up to the chippy at lunchtime and sat eating fish’n’chips with us in our cabin. He was also a big tipper.
The garage was a real family affair: boss was a farmer and ex-biker mate, left the garage for me to run: up on his farm was a huge pair of garages, where the Recovery trucks lived. His twin sons ran the body shop, I trained his youngest son as a mechanic, and his daughter was the receptionist/secretary. Boss’s wife grew up across the road from me. The best part about starting there, was that after 2 years we put the place over the road out of business. As that was the place I started in after leaving the Army, and was run by an ex-German POW who was a Psycho, I was happy with that. We made no distinction between customers: I would not allow anyone to jump the work rota, no matter how much wealth or how big their house.
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I'm out.March 24, 2018 at 1:12 am #18066Tippon and maybe Mr Rice will possibly know the place, directly opposite the Grangetown train station entrance /exit.
I don’t know the place, but I just looked for it on Google Maps. It’s amazing how much some parts of Grangetown have changed, while others have stayed the same 🙂
March 24, 2018 at 7:43 pm #18206Thanks all
Richard I only know to one cap (if it’s in front of me) any others are behond my capabilities.
No Bob I don’t know wich switch for sure, it could have been temp sender (rings a bell) and the link (pic) looks about right. I have been known
to check the dip, the oil is that clear I struggle.I have ordered radweld and purchased a new cap when these arrive I can start my Process of elimination.
Cheers
JohnMarch 25, 2018 at 1:46 pm #18236I have ordered radweld and purchased a new cap when these arrive I can start my Process of elimination.
Eliminating stuff is half the battle JB. Hope you manage OK, stay well.
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I'm out. -
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