Purpose and Specifications

LIQUI MOLY 2671 Engine Oil Additive, from the Oil-Loss-Stop line, is a premium 300 ml tin that regenerates rubber and plastic seals like shaft seals and valve stem seals to stop oil leaks and prevent stains under your car.

It counteracts oil dilution, reduces engine noise, and cuts oil consumption through piston rings and valve guides. Add one can to up to 5 liters of motor oil anytime; sealing effect starts after 600-800 km of driving.

• Practical benefits: Stops leaks, quiets engine, saves oil, safe for turbochargers and catalytic converters
• Volume: 300 ml tin, treats up to 5 liters of oil
• Shelf life: Several years unopened; reapply every 30,000 km for lasting protection
• Operating temps: Works in engines from cold starts to high-heat conditions up to 150°C

When to Use / Replace?

Use LIQUI MOLY 2671 when you spot oil spots under your car, hear extra engine noise, or notice rising oil use from worn seals. Ideal for high-mileage cars over 100,000 km showing leak signs.

Run engine warm after adding; full seal in 600-800 km. Reapply every 30,000 km or yearly to maintain seals and prevent future leaks. Not for motorbikes with wet clutches.

FAQ

Q: How soon does it stop leaks? A: Sealing begins after 600-800 km; drive normally until warm after adding.

Q: Can I use it in any engine? A: Yes for cars with standard oil; safe for gasoline, diesel, turbos, and cats. Skip wet-clutch bikes.

Q: How often to add? A: Every 30,000 km prevents issues; one 300 ml tin per 5 liters oil.