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Robert
Robert, Peugeot Technician
Category: Peugeot
Satisfied Customers: 4368
Experience:  Fully qualified 19+yrs exp/self employed technician in the UK
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I have a 2008 308,vti manual with 62K on clock. I am losing

Customer Question

Hi. I have a 2008 308,vti manual with 62K on clock. I am losing coolant from expansion bottle after 30mins driving. Temp gauge settles at 90 degrees. Car drives ok.
Any thoughts.
Thanks,
Max.
Submitted: 8 months ago.
Category: Peugeot
Expert:  Robert replied 8 months ago.
Hi.there.. Does the expansion tank empty completely after the 30minutes of driving? Have you noticed any patches under the car at all or any steam from under the bonnet for that matter? Any previous repairs done?
Customer: replied 8 months ago.
Hi Robert.
The expansion bottle appears to completely run out of water and when I undo the filler cap slowly a little water comes back up into bottle. I have looked for any leaks in radiator/pipes/footwell/on drive etc. No signs, no steam, no white smoke from exhaust !!! Everyone says head gasket. no previous repairs done. Last serviced 12/2014 @52k miles.
Thanks,
Max.
Expert:  Robert replied 8 months ago.
Hi..thanks for your reply.. Could be a build up of pressure in the tank .so when released when cap is removed is allowing coolant to return back up into the tank..unless there is an actual blockage somewhere ie: radiator -..id certainly carry out a few tests or checks at least before condeming the headgasket - with regards ***** ***** in the coolant using block tester/dye kit system you need to check that to be sure..if the test dye colours fails then thats your problem right there.headgasket..also a pressure test on the system would be worth doing to see if the system holds pressure or not..that would rule out a leak for sure under cold or hot conditions when components expand under running temperature..jsut because you dont see any visable leak doesnt mean you dont have one that only occurs under hot engine conditions and escapes under steam rather...those 2 checks are vital..aswell as that is the system properly vented or air locks..even if the system hasnt been worked on becuase the system has emptied it could well be worth ruling that out first off before any tests are carried out as above..

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