Coolant leaks are a serious fault in UAE conditions where the ambient temperature regularly exceeds 45 degrees Celsius. A cooling system that is losing coolant will eventually cause engine overheating, which in UAE summer can lead to head gasket failure within minutes. This guide covers the cost of diagnosing and repairing coolant leaks in the UAE in 2026.
Coolant Leak Diagnosis Cost UAE
Before repair, the mechanic must identify where the leak originates. Methods include visual inspection, pressure testing the cooling system, and UV dye. Diagnosis costs: AED 100 to AED 250 at most UAE garages. Some garages include diagnosis free if you proceed with the repair.
Coolant Hose Leak Repair Cost UAE 2026
The most common coolant leak source in UAE is a cracked or perished coolant hose. UAE heat causes rubber hoses to harden and crack faster than in cooler climates, typically at 5 to 8 years. Coolant hose replacement: AED 50 to AED 200 per hose for parts, plus AED 80 to AED 150 labour. The radiator inlet and outlet hoses, heater hoses, and bypass hoses are the most common failure points. A full hose replacement set for common UAE vehicles: AED 200 to AED 600 all-in.
Radiator Coolant Leak Repair Cost UAE 2026
A leaking radiator can sometimes be sealed with a stop-leak additive (AED 30 to AED 80) as a temporary measure, but this is not a permanent fix and can clog coolant passages. Radiator replacement is the correct repair: AED 300 to AED 800 for aftermarket radiators on common UAE makes (Toyota, Nissan, Honda, Hyundai, Kia), AED 500 to AED 1500 for European makes. OEM radiators: AED 600 to AED 2500. Labour: AED 150 to AED 400. Total all-in: AED 450 to AED 1900 depending on vehicle.
Water Pump Coolant Leak Cost UAE 2026
The water pump circulates coolant through the engine and often has a weep hole that drips coolant when the internal seal begins to fail. Water pump replacement: AED 150 to AED 400 for aftermarket units, plus AED 200 to AED 400 labour. On engines where the timing belt drives the water pump, both are typically replaced together to save labour costs. Total: AED 500 to AED 1500 when replacing with timing belt.
Head Gasket Coolant Leak Cost UAE 2026
A blown head gasket causes coolant to leak internally (into the combustion chamber or engine oil) rather than externally. Signs include white smoke from the exhaust, milky oil on the dipstick, and coolant loss with no visible external leak. Head gasket repair is the most expensive coolant leak repair: AED 1500 to AED 5000 depending on vehicle and engine complexity. In UAE summer heat, driving with an overheating engine even briefly can cause a head gasket to fail. Prevention by maintaining correct coolant level is far cheaper than the repair.