What Are the Signs of a Blown Head Gasket in a Toyota Hilux Due to Overheating?

Home > Gari Forums > Toyota Forums > Toyota Hilux Forums > Toyota Hilux Overheating Engine Forums

What Are the Signs of a Blown Head Gasket in a Toyota Hilux Due to Overheating?

Severe overheating can lead to head gasket failure, causing white smoke and coolant loss. Have you o r anyone you know faced this issue, and what was the repair cost?

Zarnish asked on 11 Feb 2025 16:19:39 pm

1 Answer

21 views |

Car Mechanic Expert - on 11 Feb 2025 16:22:03 pm

A blown head gasket is a severe issue caused by extreme overheating.

🚨 Symptoms of a Blown Head Gasket:
✔️ White Smoke from Exhaust – Coolant leaking into the combustion chamber.
✔️ Milky Oil on Dipstick – Coolant mixed with engine oil.
✔️ Bubbles in Coolant Reservoir – Exhaust gases entering the cooling system.
✔️ Constant Overheating – Even after topping up coolant.

💰 Repair Cost in Pakistan: PKR 50,000 - 150,000, depending on damage.

📌 Solution: If you suspect a blown head gasket, do not drive—get it repaired immediately.