Purpose and Specifications

LIQUI MOLY 3339 Fluorescent Leak Finder is a water-soluble spray that pinpoints water leaks and wind noises fast under UV light. Perfect for checking sunroofs, doors, seals, and cooling systems after repairs to avoid comebacks.

Key Specs:

• Size: 50 ml plastic can – enough for multiple tests with 1:10 to 1:500 mix ratio
• Works at: Everyday temps from 0°C to 40°C
• Shelf life: 4 years unopened, use within 2 years after opening
• Net weight: 0.08 kg

Mix with water, spray on suspect areas, shine UV light – leaks glow bright for easy fixes. Cleans off with plain water, no residue.

When to Use / Replace?

Use after any door, roof, or glass repair, or when customers report wet interiors or whistling winds at highway speeds (over 100 km/h). Test cooling leaks too if radiator fluid drops. Reapply every 6-12 months for fleet checks or before rainy season. Replace bottle if fluid separates or smells off – typically lasts 50+ tests.

FAQ

Q: How long does one bottle last?
A: Handles up to 25 liters of water at 1:500 ratio – good for 20-50 vehicle tests depending on leak size.

Q: Safe for all cars?
A: Yes, rinses clean with water. Wear eye protection with UV light; avoid swallowing.

Q: Detects tiny leaks?
A: Spots drips as small as a few drops – ideal for hard-to-find wind noise or slow water entry.