Heavy-Duty Engine Repair – Fixes cracks and leaks in engine blocks, cylinder head gaskets, and water pump gaskets.
Permanently Seals Leaks – Professional-grade formula provides a long-lasting solution without clogging or damaging components.
Suitable for Multiple Engine Types – Works on steel, aluminium, and iron engines.
Quick and Easy Application – No need for costly repairs; simply pour and go.
Prevents Future Leaks – Strengthens the cooling system to reduce the risk of future issues.
Why Use Holts Wondarweld?
Professional-Grade Solution – Used by mechanics and DIYers for high-performance cooling system repairs.
No Clogging or Blockages – Designed to work effectively without harming your engine.
Cost-Effective Alternative to Repairs – Avoid expensive mechanic bills with this easy-to-use fix.
Perfect for Emergency Repairs – Keep a bottle on hand for quick and reliable fixes.
How to Use:
Drain the cooling system and flush with a Cooling System Flush to remove residue and contaminants.
Detach the top hose from the cylinder head outlet and remove the thermostat.
Use a funnel to pour Wondarweld directly into the cylinder head outlet. **Do not pour into oil.**
Reinstall the thermostat and reconnect the top hose.
Refill the system with clean water and run the engine for 15 minutes to allow the sealant to work.
Once the repair is complete, drain the system again, flush with clean water, and top up with high-quality coolant/antifreeze.
Do I Need to Remove the Thermostat?
Yes, the thermostat must be removed before applying Wondarweld, as the product is poured directly into the cylinder head outlet.
**Holts Wondarweld is a trusted, heavy-duty engine repair solution that ensures a long-lasting fix for leaks, helping you get back on the road with confidence.**
