coolant needs to be topped up every few days........NO SIGN OF LEEKAGE.
Jan 22, 2013 at 7:24 PM
2005 Bmw 318i Coolant Needs Topped Every Days Sign Leekage
2005 BMW 318I
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Most likely suspect is a leaking head gasket. There's two ways to verify that. If coolant is being drawn into the combustion chamber, usually combustion gases will get pushed into the cooling system too. Your mechanic can do a test at the radiator with a glass cylinder with two chambers partially-filled with a special dark blue liquid. If the liquid turns bright yellow when he draws air through it from the radiator, that indicates a leaking head gasket.
You can also add a small bottle of dark purple dye to the coolant. After the level drops in the reservoir, you search with a black light, including at the tail pipe. The dye will show up as a bright yellow stain.
You can also add a small bottle of dark purple dye to the coolant. After the level drops in the reservoir, you search with a black light, including at the tail pipe. The dye will show up as a bright yellow stain.
Jan 23, 2013 at 4:05 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.