why the coolant water dry when engine running?

2003 MITSUBISHI GALANT

200,000 MILES

ROWLEY96

MEMBER
12 POSTS
FOLLOW

i just finish replace the 2nd hand head,valve,rocker arm and camshaft .then finish replace new 2 timing belt n new all oilseal. This is my 1st repair 4D68 diesel engine successes,but i dont know why the coolant water was dry slowly and boil when i running engine without radiator cap.how to repair?head,valve,rocker arm and camshaft .then finish replace new 2 timing belt n new all oilseal. This is my 1st repair 4D68 diesel engine successes,but i dont know why the coolant water was dry slowly and boil when i running engine without radiator cap.how to repair?

Sep 29, 2011 at 5:08 PM

JACOBANDNICKOLAS

CAR REPAIR CONTRIBUTOR
110,190 POSTS

First, you should be using coolant, not water. It has a much higher boiling point. Next, the water has to be going some where. Have you checked the engine oil and trans fluid for it mixing?

Sep 29, 2011 at 6:23 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.