Gurgling sound from coolant expansion tank - 2 litre

[leecrease]

Hi, My 2000 2l petrol bongo has just made a gurgling sound from the coolant expansion tank, can anyone advise if this is anything to worry about. The bongo has just completed a Trip to France 1500 miles round trip, temp fine no loss of oil or water. Day after returning did a 12 mile trip before sound started, it sounded like water getting sucked down plughole and lasted for approximate 10 secs, definitely from coolant expansion. No loss of coolant and not overheated. I have a low coolant alarm fitted. I waited for engine to cool down. 4 hrs later opened the cap. The water gurgled again, even though engine cold. How can all of a sudden air get sucked into coolant reservoir. Any advice appreciated.

[mister munkey]

Ahh - just clicked.

You also have this issue. http://www.igmaynard.co.uk/bongo/forum/ ... =3&t=43953

The two combined point toward a head gasket problem.


Do you have a local trusted spannerman that can take a look/give it a sniffer test without having to drive it too far?

[leecrease]

The squeal on hard acceleration has been there since I've owned bongo, approximate 6 months. Temp fine no loss of coolant or oil no smoke. Garage looked at it and didn't know what it was

[Northern Bongolow]

sounds like water pump in my opinion.bearings.gets warm and leaks,but water level doesnt drop as it sucks in air.there are 2 water drains on the side body of the water pump,when warm check for coolant weeping.the coolant system must be bled asap,if its not already to late as chris points out.

[leecrease]

Thanks for your replies I will book into garage immediately