Nulon·
R40
Nulon Radiator Flush and Clean 300ml
Nulon Radiator Flush and Clean 300ml
Quantity
Regular price
$20.79 AUD
Regular price
Sale price
$20.79 AUD
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Overview
Nulon Radiator Flush and Clean is a non-acidic cooling system cleaner that removes insulating sludge, scale, and residue in a single 20-minute operation.
Recommended before any coolant change, radiator removal, or when switching coolant brands.
Specifications
Volume: 300ml
Formula: Non-acidic
Treatment Time: 20 minutes minimum, 1 hour maximum
Application Rate: 1 bottle per cooling system (cars and light commercials); 1 bottle per 6 litres for trucks and large engines
Formula: Non-acidic
Treatment Time: 20 minutes minimum, 1 hour maximum
Application Rate: 1 bottle per cooling system (cars and light commercials); 1 bottle per 6 litres for trucks and large engines
Features
- Cleans in 20 minutes — no multi-day soak required, no risk of forgetting to drain.
- Non-acidic formula — safe for all cooling system metals and seals.
- Neutralises harmful acids — removes built-up scale and corrosion products.
- Reduces overheating risk — restores heat transfer efficiency before new coolant is added.
- Compatible with all coolant types — suitable before any brand or type of replacement coolant.
Fitment / Notes
- Note: Exercise caution when removing radiator cap — release pressure slowly to avoid scalding.
- Turn heater on and add R40 to a warm radiator.
- Run engine for 20 minutes minimum (no longer than 1 hour).
- Stop engine and allow to cool. Drain system via bottom radiator hose or drain cock.
- Flush and rinse thoroughly. Refill with Nulon R45 Ultra Cool or appropriate coolant.
- Start engine, check for leaks, and top up as required.