Question about 2005 Peugeot 405

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Engine overheating I have a Peugeot 106 XL 1.4 5 door Auto, 1998. The water temp warning light kept coming on. I have a new radiator, checked the thermostat (by boiling it). I have left the thermostat out and the engine now runs (at tickover) without the light coming on, just the fans cutting in on demand. I am not in a position to drive it far. However, I have no heat in the heater and I am begining to doubt the water pump. I have tried to bleed the air out of the system at the bleed valve on the thermostate cover. As far as I can tell the water is flowing round the engine but how can I be sure?

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  • tony3200 Dec 27, 2008

    core plug has blown , full service history with a full service done 3 months ago , milage is low can you give me any reason as to whats happened , light brown thick solution came out of one place rather than leaking from every area of cylider ?

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Take one of you heater hoses off then start engine

Posted on Nov 19, 2008

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2 Answers

I have a T reg Peugeot 106, the temperature light keeps coming on even thou I've topped the oil up. Any info plz


Topping up the oil has very little bearing on engines overheating.

You need to remove the radiator cap and top up the cooling system with anti-freeze and water mixed to specifications. Note that I mention RADIATOR CAP and not the expansion reservoir cap. Remove the radiator cap with the engine COLD. Once you have filled the radiator, you need to run the engine until it gets to full operating temperature. Some of the water will overflow out until the thermostat opens, then the water level will rise and fall. When it has settled, bubbles have stopped, turn the engine off, top up one last time. Replace the radiator cap and then top up the reservoir tank.

There are videos online, Google 'burping cooling system', and look at the images tab. Here you go.

http://www.bing.com/videos/search?q=%27burping+cooling+system%27&FORM=HDRSC3
burping cooling system Bing video

Jun 02, 2016 | Peugeot Cars & Trucks

1 Answer

Peugeot 406 coolant temp warning light


1. Check the coolant level if you have not already.

2. The most likely cause is a stuck thermostat so that when the engine is getting up to operating temp the thermostat is not opening at all - or enough - for the coolant to flow freely between the radiator and the engine to cool the heated fluid. If you check the radiator after driving and find it is cold it is a sure sign that the heated coolant that is circulating through the engine at operating temp and higher is not getting to the radiator. The first thing I would do is to change the thermostat and re-check. At the same time completely flush the coolant and replace it with new fluid of the correct spec.

The radiator fans are not going to operate when the fluid in the radiator is cold because the hot fluid cannot flow through from the engine. The fans have a temperature sensor switch.

3. If that does not solve the problem I would suspect the water pump has corroded and needs to be replaced. However from the symptoms you have described I believe a new thermo will fix the problem.

4. Don't drive the car when it is overheating. This is a certain way to blow the head gasket and potentially crack or warp the cylinder head. (In a worst case you can crack the engine block.) It will be nice and expensive to repair if you blow a head gasket or damage the cylinder head.

Dec 22, 2012 | Peugeot 406 Cars & Trucks

1 Answer

My peugeot 206 temp gage gos into the red and warning light comes on


they either did not put new fans on or they did not connect them correclty its all in the fans the fans cool the water for the engine when it cycles through the engine it cools off there at the radiator and it takes longer to heat up cause allways in any car when you turn on the ac it will turn high or secondary speed on fan so it cools the water even more so check fan if they replaced it motor might be bad or again check connections

Jan 05, 2012 | Peugeot 405 Cars & Trucks

1 Answer

My engine auto diagnosis warning light has come on on my peugeot 106..is this serious or will i be ok to drive it untill i can get it to a garage. nothing seems wrong with my cra apart from this light...


I would get it to a garage as soon as possible. Your going to have to take it to your peugeot mains dealer because most of the time they are the only ones with the EMS tester. Unless you know a garage that will be able to help you out.

Sep 06, 2010 | 1991 Peugeot 405

2 Answers

Not sure if i have a problem but the low coolant light came on, added coolant, went up to engine temp., bottom hose coming off of water pump is cold, is this normal?


it will be cold untill the thermostat gets to 195 degrees and that lets the coolant circulate thru out the engine and radiator

Jan 24, 2010 | 2003 GMC Yukon XL

1 Answer

Peugeot 106 1.0 litre, temperature warning light on dash comes on one or two minutes after starting engine, sometimes stays on or intermittently goes off and on whilst driving. Also the radiator cooling...


hi, if the collant level is ok and the car isnt over heating then check the heater works in the car and make sure it gives of heat when hot is selected if it dont then the chances are the thermostat has gone and needs replacing.

If on the other hand you have heat then the chances are its just a faulty temp sensot these are cheap to buy and easy to replace.

Let me know how you get on or if you need further assistance ok

Dec 28, 2009 | 1991 Peugeot 405

2 Answers

Peugeot 205 Temp warning light comes on in traffic. Fan runs and the engine is not overheating.


Peugeot engine's have an alamenium cylinder head's and are easily damaged by overheating and for this reason the sensor's for coolant temp. are sensitive and any small abnormality in temp. will cause a warning. If the light bothers you then put a summer thermosatat in it this will leave it running cooler but it's nothing to worry about.

Oct 14, 2009 | 1991 Peugeot 405

1 Answer

Oil and handbrake lights flashing peugeot 106 s2


Hi, If you solve engine idle speed fault this will stop warning lights.
Oil preasure falls when engine not at norm rpm because oil pump is not turning fast enough.
Put car on diagnostics to check for any fault codes

Aug 04, 2009 | Peugeot 405 Cars & Trucks

1 Answer

Coolant overheating


I'm not a peugeot guy butr the only item in the cooling system that would require a bearing or bushing is the pump...check shaft for side and end play. Only other possibility is that someone recently worked on it and accidentally caused a leak, or found one and used so much sealer that it plugged the radiator (some sealers have a fine powder that resembles what you described)

Apr 29, 2009 | Peugeot Liberte Cars & Trucks

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