Quote:
Originally Posted by Eeber
Hi Guys-
Got an Isuzu C-240 (four cylinder diesel). When run at idle (600rpm) for 20 minutes or so,
the temperature holds steady at 140, the cooling system does NOT
pressurize, and it loses about a half gallon of coolant.
The bilge is dry and the engine starts and runs easy. Exhaust appears
to be clean water with no color or odor.
What to do?
Thanks-
Eeber
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If the coolant is not leaking, it's going out through the exhaust. The cheapest possibility is a blown head gasket. It gets more expensive from there.
If you just filled it and it only did this once, there could have been an air pocket. If you haven't messed with it and it just started loosing coolant, and keeps on loosing coolant, you're going to need a mechanic or a service manual, a good set of tools, and some serious mechanical ability.