Normal Operating Temp for Bongo Diesel

[Long]

Hi,

i change thermostat and bleed my bongo. I am testing it right now to make sure it is fixed and not over heating. I wanted to get idea of proper operating temp of engine and hoses, to make sure there is flow. it hasn't over heated since the thermostat change so hopes are good.

condition:
cool, breezy day

Idle (and been idling for 20 mins)-
engine head 83-85c
hose coming out of engine (driver side) 78c
top rad hose- 70-73c
bottom rad hose-55c
hose right before thermostat (passenger side)- 65c
hose going into engine after thermostat 77-80c

Hard drive flat Rev to 2.0-2.1k
engine head- 92-94c
hose coming out of engine (driver side) 85c
top rad hose- 75-78c
bottom rad hose-65-70c
hose right before thermostat- 72-75c
hose going into engine after thermostat 80-84c

I haven't done any testing in going uphill.

it is winter soon, so i don't expect any more 30c days

does the above run normally? what degree should i be worried about over heating? 100c? also based on the temps does it look like good flow of coolant.

again all advice is very much appreciated!

Thanks

[g8dhe]

See here and all the discussions on cooling as well with Steve's animated diagrams to help! http://igmaynard.co.uk/bongo/forum/view ... 31#p489631

[haydn callow]

All sounds pretty good to me!!

[Gasy]

Mine runs at low 80c head temp ( figures from my bolt on temp alarm ) normal driving
I've set my alarm to 96c
I've quite often had it rise to just over 100c on big hills with caravan on the back
Then it's time to put heating / aircon on front and back , I have also put a switch in so I can switch my engine scavenger fan on when I want, that really drops engine temp

[Long]

Thank so much for the reply.

my scavenger fan never comes on. i have never seen it spinning. currently i haven't had problems with overheating i will watch engine temp for the next few days.

[Gasy]

Scavenger fan won't come on automatic until v hot
It's easy to splice a manual switch into scavenger fan
Sensor is next to handbrake just link wires together to get fan working ( some use resistors inline )
I've teed a switch into the cable so I can manually switch it on when my engine temp alarm go,s off
It stops me panicking

[JoeC]

See http://igmaynard.co.uk/bongo/forum/view ... er#p674383 for more info on installing scavenger fan override switch.

[Gasy]

Here's a piccy of mine
The sensor is next to the handbrake
You can see where I have joined the switch wires in next to the red tape