Cooling System Stop Leak

Wynn's Cooling System Stop Leak is a product designed to stop small leaks in the radiator and 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

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

Directions

If the cooling system is excessively fouled, it is recommended to clean first with Wynn’s Cooling System Flush.
Check coolant level.
Start engine, bring to operating temperature with all heater controls in HOT position.
Shake the can well and pour the total contents into the cooling system via the radiator filler cap or via the expansion tank in case of a completely closed radiator with through-flow system.
Close the system and let the engine run for approx. 5 to 10 min. until the leak or leaks are sealed.
If necessary top up with cooling liquid.
A 325 ml can treats systems with capacity 5 -12 litres.

Packaging

PN 45641 – 24x325 ml – DE/IT/FR/NL/DA/NO/PT
PN 45644 – 24x325 ml – EN/ES//RU/SV/FI/HU/PL

Downloads

MSDS

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w45641 cooling system stop leak e07.02 da
w45641 cooling system stop leak e07.02 sv
w45641 cooling system stop leak e07.02 fi
w45641 cooling system stop leak e07.02 no
w45641 cooling system stop leak e07.02 hu
w45641 cooling system stop leak e07.02 es
w45641 cooling system stop leak e07.02 pt
w45641 cooling system stop leak e07.02 it
w45641 cooling system stop leak e07.02 pl
w45641 cooling system stop leak e07.02 ru
w45641 cooling system stop leak e07.02 el
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w45641 cooling system stop leak e07.02 hr
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w45641 cooling system stop leak e07.02 sr
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w45644 cooling system stop leak e07.02 en
w45641 cooling system stop leak e07.02 en
Other languages

Features

Professional

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.

Cooling System