Radiator Core Leak Detection & Chemical Flush
Engine Repair · Mirdif, Dubai
Mineral scale accumulation and external fin corrosion caused restricted coolant flow and localized hot spots..
Case 19 · Mirdif
2017 Nissan Pathfinder
- Response
- 25 min
- Completed in
- 2.0 Hours
- Location
- Mirdif
The vehicle & the brief.
2017 Nissan Pathfinder
Coolant discoloration, green residue buildup on radiator fins, minor temperature fluctuations
25 minutes
2.0 Hours
How this case was solved.
A step-by-step breakdown of what we found, what we tested, what we replaced, and what we measured at the end.
- 01
Problem
Mineral scale accumulation and external fin corrosion caused restricted coolant flow and localized hot spots.
- 02
Diagnosis
- 01Cooling system pressure decay test at 18 PSI
- 02Visual audit of radiator core fins and tanks
- 03Thermostat functionality check
- 03
Solution
Flushed cooling system with specialized chemical cleaner to dissolve mineral deposits, cleaned external debris from radiator fins, and refilled with fresh coolant.
- 04
Result
Cooling efficiency restored; temperature gauge remains perfectly stable under heavy load testing.
What we replaced.
Only OEM or dealership-equivalent parts are used. Every part below was installed onsite and is covered by our 12–24 month warranty.
Total parts
02
- 01Chemical Coolant Flush Solution
- 02OEM Long-Life Coolant
Frequently asked questions.
01What causes green residue buildup on car radiators?
Green residue is dried coolant leaking from microscopic cracks in the core or loose hose connections, often worsened by heat and vibration.
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