Overheating problem

samuel · Post by **samuel** » Wed Jan 10, 2007 11:36 pm

This request is for non-member who is having awful problems with his overheating Bongo.

The Bongo is still overheating after all the following actions have been taken:

New cylinder head

Water pump works fine

thermostat has been tested and works fine

brand new radiator

Has anybody suffered a similar problem? Any help would be most apppreciated.

Ozric · Post by **Ozric** » Wed Jan 10, 2007 11:43 pm

I fitted my own rad and followed the instructions on filling in the members area. Not had a problem in almost a year. But didn't have a overheating problem in the first place, it only started when the rad went bang or rather splurt

Post by **Ian** » Wed Jan 10, 2007 11:46 pm

Samuel, I take it you have had the coolant system bled according to the proper procedures to avoid the airlock, and have consulted all the data at http://www.igmaynard.co.uk/bongo/forum/ ... php?t=6857

mikeonb4c · Post by **mikeonb4c** » Thu Jan 11, 2007 12:21 am

As above + does it happen more when in traffic than on the open road and/or is the scavenge pump cutting in properly when required (the fan you can see when you open the engine covers, beats me why it is so named)?

dandywarhol · Post by **dandywarhol** » Thu Jan 11, 2007 12:23 am

So it scavanges the hot air out of the engine bay so you don't cook in hot weather.........................

mikeonb4c · Post by **mikeonb4c** » Thu Jan 11, 2007 12:38 am

Ah so Engrishman

samuel · Post by **samuel** » Thu Jan 11, 2007 12:01 pm

Thanks for your replies guys.

I'll ask him if he has bled the system thoroughly as this seems top of the list at the moment.
Cheers.

Tim

Bumbly1 · Post by **Bumbly1** » Thu Jan 11, 2007 6:32 pm

You also dont mention if he has flushed the sytem through properly. It is the sludge in the system that causes the problem and if it is still there, no end of replacement parts will fix it, nor will bleeding. The goo gets stuck in the pipes, particularly the rear wee heater radiators and will foil the most adept bleeder

.

Peg leg Pete · Post by **Peg leg Pete** » Thu Jan 11, 2007 10:42 pm

Tom I agree with you, system needs to be completely free of gunge.

samuel · Post by **samuel** » Thu Jan 11, 2007 10:42 pm

Thanks Bumbly1

Will make sure that avenue has been checked as well.

Cheers

Tim

Chris P · Post by **Chris P** » Thu Jan 11, 2007 10:46 pm

Bumbly1 wrote:You also dont mention if he has flushed the sytem through properly. It is the sludge in the system that causes the problem and if it is still there, no end of replacement parts will fix it, nor will bleeding. The goo gets stuck in the pipes, particularly the rear wee heater radiators and will foil the most adept bleeder .

Yeah - I had a radiator replaced and it then showed most erratic overheating behaviour. I searched for past discussions of this, and told my garage to flush the system. They did (and then did the correct bleeding procedure) and it has been fine for the past six months.

Cheers

Chris