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Cooling System

Cooling system problems, such as leaks and insufficient cooling due to fouling of the system, are the primary cause of vehicle breakdowns. To prevent these problems Wynn’s recommends radiator treatments.

Wynn's Radiator Stop Leak is a sealing product to stop small leaks in the cooling system, with anti-corrosive properties.

  • Stops and prevents leakages in the radiator, cooling and heating system.
  • Stops head gasket leaks.
  • Will not harm rubber hoses, gaskets or other system components.
  • Is compatible with all antifreezes and coolants, also with OAT coolants (Organic Acid Technology).
  • Is formulated to avoid clogging of radiator waterways and temperature sensors.
  • Enhanced protection against rust and corrosion.

APPLICATIONS

Recommended for all "water" cooled systems of petrol, LPG and diesel engines when minor leaks are noted.
Can also be used as preventive agent.

DIRECTIONS

Warm up the engine with heater control in HOT position.
Shake bottle well and add contents to the cooling system via the expansion tank if part of the system circuit (2 hoses: out and return) or directly into the radiator if a single hose overflow tank is fitted.
Top up the system with coolant if required.
Run engine for approximately 5 minutes to circulate and stop leaks.
Contents treat a cooling system from 5 to 12 litres.
If the coolant is dirty, flush system with Wynn’s Radiator Flush and refill with new coolant before treatment with Radiator Stop Leak.

PACKAGING

PN 55863 – 12x325 ml – NL/FR/DA/IT
PN 55866 – 12x325 ml – ES/PT
PN 55864 – 12x325 ml – EN
PN 55872 – 12x325 ml – PL/HU/RU/EL

DOWNLOADS

Technical Info Sheets

558XX RADIATOR STOP LEAK EN

MSDS

W55866 TAPA FUGAS RADIADOR E07.02 EN
W55864 RADIATOR STOP LEAK E07.02 EN
G55863 RADIATOR STOP-LEAK E07.02 EN
W55872 RADIATOR STOP-LEAK E07.02 EN
OTHER LANGUAGES

FEATURES

CONSUMER

Cooling system problems, such as leaks and insufficient cooling due to fouling of the system, are the primary cause of vehicle breakdown. To prevent these problems Wynn’s recommends radiator treatment.

 

Intro Image
Wynn's Radiator Flush is a concentrate to clean automotive cooling systems.

Read more: Radiator Flush

Intro Image
Wynn's Radiator Stop Leak is a sealing product to stop small leaks in the cooling system, with...

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