Expansion Tank for Maruti Suzuki Swift — Price, Symptoms & Replacement Guide
Category: Cooling | Failure Severity: High | Replacement Cost in India: ₹1,500–₹4,000
What is the Expansion Tank?
Stores excess coolant as it expands due to engine heat and returns it to the radiator when cooled.
How the Expansion Tank Works
As coolant heats up, it expands and flows into the expansion tank. When the engine cools, coolant is drawn back into the system.
Why the Expansion Tank is Important
Prevents coolant loss and maintains proper pressure in the cooling system.
Common Problems with the Expansion Tank
- Cracks in tank
- Coolant leakage
- Air entering system
Warning Symptoms of a Failing Expansion Tank
- Low coolant warning
- Engine overheating
- Visible coolant leaks
Common Causes of Expansion Tank Failure
- Heat stress
- Plastic degradation
- High pressure
Impact on Car Performance
Engine overheating and cooling inefficiency.
DIY Fix Guide — Step by Step
- Inspect for cracks
- Check coolant level
- Replace damaged tank
Maintenance Tips
- Check coolant regularly
- Inspect tank for leaks
- Use recommended coolant
Expansion Tank Replacement Cost in India
Expect to pay between ₹1,500 and ₹4,000 for genuine parts plus labour at an authorised Maruti Suzuki workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Expansion Tank Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Expansion Tank listings.
When to Replace the Expansion Tank
When cracks, leaks, or pressure issues are detected.