where can antifreeze be going or leaking from, no puddles under the car, new overflow tank did not resolve the problem? is this a costly repair?
May 25, 2011 at 3:19 AM
missing antifreeze/coolant
2000 DAEWOO NUBIRA
ALICEBC
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CARADIODOC
- ✓ASE Certified Mechanic
- 34,321 POSTS
Kinda hard to tell over a computer but if you aren't finding any leakage near the engine, suspect a leaking head gasket. There are two tests that might confirm this. One involves drawing air from the radiator through a glass cylinder with two chambers partially filled with a special dark blue liquid. If combustion gases are present, the liquid will turn bright yellow.
The second test involves adding a small bottle of dye to the coolant. After driving a few miles, you search for the leak with a black light, including at the tail pipe. The dye will show up as a bright yellow stain.
The second test involves adding a small bottle of dye to the coolant. After driving a few miles, you search for the leak with a black light, including at the tail pipe. The dye will show up as a bright yellow stain.
May 25, 2011 at 4:13 AM
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.