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 Posted: Tue Jul 18, 2017 11:12 am |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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Read through a few threads on this, but can’t find anything which is exactly the same as my daughter’s… her 206 said it was overheating a couple of years ago, got a new sensor fitted, all fine since.
Yesterday it said it was overheating again, and this time she had to top it up with quite a lot of water. Went OK for over an hour – then started off again today, got about another hour down the M4, and it happened again.
Sadly I’m not with her, and she doesn't understand cars, but over the phone, I got her to take the cap off the header tank, whereupon the level started to drop, to the point where she now needs to top it up again.
So I’m trying to work out the likely cause till she can get it home and to a garage… no obvious water on the ground; no mayo on the oil cap.
Thoughts, anyone?
Thanks 
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Posted: Tue Jul 18, 2017 4:47 pm |
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Joined: Apr 09, 2014
Posts: 205
Trade Rating: 0
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Hi there, when you said it was overheating again, did it have low water again?
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Posted: Tue Jul 18, 2017 7:31 pm |
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Joined: Jun 10, 2010
Posts: 36
Trade Rating: 0
Location: cwmbran
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I had this problem a few years back. I never found out the exact cause.
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Posted: Tue Jul 18, 2017 7:42 pm |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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| cainw1 wrote: |
| Hi there, when you said it was overheating again, did it have low water again? |
Trouble is, I’m relying on 2nd-hand accounts by a teenage girl… what happened, apparently, is the needle went up gradually; when it hits the red, the coolant overheating message comes up on the console.
First time, she foolishly pulled the cap off the header, and water naturally gushed out, so that MAY have been the cause of it seeming low in the header… 2nd time, she says she took the cap off very gradually as I explained to her, and the water slowly went down as she watched… but maybe that’s normal? So long since I worked on a car, I can’t remember how anything works 
Then she filled it up a bit more again, and drove nearly all the way from London to Gloucestershire without incident.
I mean, this happened a couple of years ago, and the garage just replaced the temp sensor, and it’s been OK ever since, but it doesn't get a lot of use as she’s away at Uni most of the time, and the car’s just sitting here.
Worth replacing the sensor again do you think? Is it easy to get at/cheap to buy?
Thanks for your help
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Posted: Tue Jul 18, 2017 7:42 pm |
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Joined: Jun 01, 2017
Posts: 20
Trade Rating: 0
Location: Leeds
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I had a problem with the wife's car going through water !!
It worked out to be the thin black hose from the expansion bottle to the radiator, it had a small crack in it on the bend.
Since I repaired it, no more constant filling up !!!
Might be worth checking that ??
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| 206 1.1 independence 54 plate, 3 door
(West Yorkshire) | |
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Posted: Tue Jul 18, 2017 7:44 pm |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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| cube wrote: |
I had a problem with the wife's car going through water !!
It worked out to be the thin black hose from the expansion bottle to the radiator, it had a small crack in it on the bend.
Since I repaired it, no more constant filling up !!!
Might be worth checking that ?? |
That's useful, thanks 
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Posted: Tue Jul 18, 2017 8:16 pm |
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Joined: Jun 10, 2010
Posts: 36
Trade Rating: 0
Location: cwmbran
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What engine is it?
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Posted: Tue Jul 18, 2017 8:20 pm |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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| xrblue wrote: |
| What engine is it? |
Sorry, it's the XSI model, so 1.6 16V petrol.
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Posted: Wed Jul 19, 2017 3:55 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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Sounds like it now has air in it.
Might be worth replacing the thermostat & also the coolant.
Thermostat should open at 89 deg C on the petrol 206.
If you have Peugeot Planet - go in to actuator test & make sure both the low & high speed cooling fan speeds are working.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Wed Jul 19, 2017 4:25 am |
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Joined: Jun 10, 2010
Posts: 36
Trade Rating: 0
Location: cwmbran
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On my 1.4 8v there are two points to bleed air from the cooling system. one on a pipe that goes into the bulk head that looks like a tyre valve... and another on the thermostat housing a hex bolt which is a bit tricky to see and get at. both work well.
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Posted: Wed Jul 19, 2017 11:42 am |
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Joined: Feb 08, 2010
Posts: 2369
Trade Rating: +15
Location: Gloucestershire, UK
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| MrBSI wrote: |
Sounds like it now has air in it.
Might be worth replacing the thermostat & also the coolant.
Thermostat should open at 89 deg C on the petrol 206.
If you have Peugeot Planet - go in to actuator test & make sure both the low & high speed cooling fan speeds are working. |
Also, have you checked the passenger footwell for dampness? There's a coolant pipe (in two parts) that runs behind the glovebox, and it's common for the seal between the two parts of this pipe to wear down and for coolant to end up in the cabin.
This and the fan relays (the issue to which MrBSI refers) are probably the two biggest failure points of the cooling system on the 206 that I've seen.
You mentioned Gloucestershire earlier, is that local for her/you?
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Posted: Wed Jul 19, 2017 1:57 pm |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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| VorTechS wrote: |
| MrBSI wrote: |
| Sounds like it now has air in it. Might be worth replacing the thermostat & also the coolant. Thermostat should open at 89 deg C on the petrol 206. If you have Peugeot Planet - go in to actuator test & make sure both the low & high speed cooling fan speeds are working. |
Also, have you checked the passenger footwell for dampness? There's a coolant pipe (in two parts) that runs behind the glovebox, and it's common for the seal between the two parts of this pipe to wear down and for coolant to end up in the cabin.
This and the fan relays (the issue to which MrBSI refers) are probably the two biggest failure points of the cooling system on the 206 that I've seen.
You mentioned Gloucestershire earlier, is that local for her/you? |
Thanks both – I live in Gloucestershire, and she’s home here from Uni most of the time at the moment, yes. But although I used to, I’m not really competent to “do things” to cars any more… shaky fingers, eyes not great close up etc. So I can’t really take things apart.
Haven't got the PP diag you mention – just a generic OBD2 thingy. I’ll certainly get her to check the carpets.
Would a competent garage (mine is) know about the relays which fail?
What’s the diag for hgf? Some kind of pressure test I guess?
Cheers
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Posted: Wed Jul 19, 2017 2:10 pm |
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Joined: Feb 08, 2010
Posts: 2369
Trade Rating: +15
Location: Gloucestershire, UK
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If you'd like me to take a look some time, I have PP and also live in Gloucestershire (Berkeley). Happy to lend a hand!
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Posted: Wed Jul 19, 2017 2:15 pm |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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| VorTechS wrote: |
| If you'd like me to take a look some time, I have PP and also live in Gloucestershire (Berkeley). Happy to lend a hand! |
Oooh, just down the road - we're in sunny Nailsworth
Yes I'd love to take you up on that... could you pm me your number please?
Thanks
Roger
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Posted: Thu Jul 20, 2017 1:25 pm |
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Joined: Aug 25, 2014
Posts: 40
Trade Rating: 0
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Just a quickie guys - I still haven't been to the car myself, but it seems to be losing about a litre of coolant a day, doing a 14-mile round trip commute. Carpets are dry.
That being the case, can we discount electronic problems etc?
One thing - she reports today that the cap on the header tank "won't tighten" - sounds like it's stripped. Might a sizeable volume of water boil out of it if it wasn't maintaining pressure for that reason?
Thanks
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