why the coolant water dry when engine running?

2003 MITSUBISHI GALANT
200,000 MILES
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ROWLEY96
  • MEMBER
  • 12 POSTS
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 10:08 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 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 11:23 AM
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