big overheating problem!

[aid175]

can anyone help,my bongo has been checked over in a garage for blockages and thermostat has been checked even radiator and all is ok yet my bongo still overheats.need help badly as it's driving me mad and costing me a fortune in the garage!

[neil/di]

Hi Aid has your bongo had the the coolant changed recently because if it has then the systm has to be bled correctly
neil

[Peg leg Pete]

Check out the F.a.q.s section, overheating threads Agree that you must make sure you bleed the coolant system

[francophile1947]

Definitely sounds like air in the system - did the garage pressure test the system and are you losing water?

[Big Rich]

Aid175 I have just had a new head fitted under warranty, but i fit cylinder heads on avr of 2 a month in my job, is it pressurerising the water ? find a local garage with a dye kit, this is filled with a blue dye and the bulb is squeezed on the top drawing up the air off the header tank ...if the blue dye changes to any shade of green the head is kaput!
this test is not fool proof but usually detects a change... i have a kit if you had been nearer i would have tested it you for free, but from the trouble you have had, start looking for a head, ebay usually have one on for around £275 ish, and it is very easy to fit, even if you just buy the head and take it to your local garage and ask them to fit it hope this helps Rich

[Big Rich]

Ps also make sure you have the front and REAR heaters on hot position when trying to bleed it through Rich

[aid175]

thanks guys.all info is really helpfull.i've had the head tested and it's fine.coolant tank was warm and so was pipes but the heater was blowing cold air and radiator was cold. had everything flushed through and no blocks.i dont think the garage knows how to bleed them properly.

[aid175]

p.s thanks big rich for offering to help.just shows there are still some good people out there lol.cheers!