STP Radiator Sealer - 300ml
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Product Information
Full details
This guide is for vehicle owners and mechanics needing a quick and effective solution for radiator leaks. STP Radiator Sealer provides a permanent seal, preventing further leaks and corrosion. However, it's crucial to clean the cooling system beforehand, especially in older vehicles, for optimal results. This product is suitable for all radiator types, antifreeze, and rubber hoses, offering a simple and reliable repair solution.
All features
| Model Part Number | 96300EN |
|---|---|
| Brand | STP |
Extended Product Information
FAQs
How much STP Radiator Sealer do I use?
Use the entire contents of the bottle. One bottle treats cooling systems up to 14 liters.
Can I use STP Radiator Sealer in any vehicle?
Yes, it is suitable for all types of radiators and compatible with all types of antifreeze.
Is it safe for rubber hoses?
Yes, STP Radiator Sealer is safe for rubber hoses.
How long does it take to seal a leak?
Allow approximately 10 minutes of engine running time, or drive a short distance, to allow the seal to harden.
Do I need to flush my radiator before using it?
For best results, especially in older vehicles, clean the system with STP Radiator Flush before adding STP Radiator Sealer.
What happens if I use too much?
Using excessive amounts is not recommended and could potentially lead to blockages within the cooling system. Always follow the product instructions.
Where can I buy STP Radiator Sealer?
STP Radiator Sealer is available at most auto parts stores and online retailers.
Troubleshooting
Leak persists after application.
Ensure the engine was warmed up before application. In cases of severe leaks, the sealer may not be effective. Consider professional radiator repair or replacement.
Coolant system becomes blocked.
In rare cases, if too much sealer is used or the system is heavily corroded, blockages can occur. Flush the system and follow product instructions carefully.
Engine overheating.
Check the coolant level and ensure the radiator cap is properly sealed. If the problem persists, the sealer may have caused a blockage. Seek professional help.
Pros and Cons
Pros
- Quickly seals radiator leaks.
- Prevents rust and corrosion.
- Compatible with all antifreeze types.
- Safe for rubber hoses and metal parts.
- Easy to use with clear instructions.
Cons
- Requires the engine to be warmed up before application.
- May not be effective if the leak is too severe.
- For best results, requires prior system cleaning.
- Not a preventative measure; addresses existing leaks.
Setup, Compatibility & Care
Setup:
- Warm up the engine until the coolant is warm (not hot).
- Shake the bottle of STP Radiator Sealer well.
- Pour the entire contents into the radiator.
- Run the engine for approximately 10 minutes or drive a short distance.
Compatibility:
- STP Radiator Sealer is compatible with all types of radiators.
- It is also compatible with all types of antifreeze.
- Safe for use with rubber hoses, metal parts, and gaskets.
Care:
- For best results, especially in older vehicles, clean the cooling system with STP Radiator Flush before adding the sealer.
- Avoid contact with skin and eyes. If contact occurs, rinse thoroughly with water.
- Store in a cool, dry place away from direct sunlight.