MiMi Auto Parts
EXPANSION TANK, Cooltec

EXPANSION TANK

Brand: Cooltec

SKU: 686107

Category: COOLING, WATER BOTTLE

R379,50 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

Add to Cart

Fitment: Fits selected Chevrolet models. Confirm exact fitment before ordering.

Product Description

The Cooltec Expansion Tank is a vital component in your Chevrolet's cooling system, designed to safely manage the expansion and contraction of coolant as your engine heats up and cools down. This tank, also known as a cooling water bottle, stores excess coolant and helps maintain the correct pressure within the cooling system, preventing overheating or coolant loss.

This specific expansion tank is suitable for selected Chevrolet models, including the Aveo from 2007 onwards. Always verify compatibility by checking your vehicle's model, year, engine size, and engine code before ordering, as fitment can vary even within the same model range.

Common symptoms indicating a faulty or failing expansion tank include visible coolant leaks, low coolant levels despite regular top-ups, overheating engine, warning lights on the dashboard, coolant odours inside or around the vehicle, and visible cracks or deformities on the tank itself. Any of these issues should be addressed promptly to prevent engine damage.

If you notice any of the above symptoms or see physical damage to your expansion tank, it is important to replace it as soon as possible. A compromised expansion tank can lead to loss of coolant pressure, overheating, and potential engine failure.

Order your Cooltec Expansion Tank from MiMi Auto Parts for reliable service and nationwide delivery throughout South Africa. Our knowledgeable team is ready to assist you in finding the right part for your Chevrolet, ensuring a smooth and safe repair process.

Common signs this part may need replacement

  • Coolant leaks around the expansion tank
  • Frequent need to top up coolant
  • Engine overheating
  • Dashboard coolant warning light illuminated
  • Visible cracks or swelling on the tank
  • Coolant odour inside or near the vehicle
  • Steam or coolant spray from the tank area
  • Unusual gurgling noises from the cooling system

Typical replacement guidance

Replace the expansion tank if you notice leaks, cracks, or signs of deterioration, or if your vehicle is experiencing persistent coolant loss or overheating. Regular inspection during routine maintenance can help catch issues early and prevent more serious cooling system failures.

Why timely replacement matters

Timely replacement of a faulty expansion tank prevents coolant loss and maintains proper cooling system pressure. This helps protect your engine from overheating and costly damage.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • CHEVROLET AVEO / KALOS Saloon (T200) 2003 – 2008 1.4 (L14(85CUL4)) – 69 kW / 94 HP
  • CHEVROLET AVEO / KALOS Saloon (T200) 2003 – 2008 1.6 (L44(96CUL4)) – 77 kW / 105 HP
  • CHEVROLET AVEO / KALOS Saloon (T250, T255) 2005 – 2026 1.2 LPG (LMU) – 62 kW / 84 HP
  • CHEVROLET AVEO / KALOS Saloon (T250, T255) 2005 – 2026 1.4 (L14(85CUL4)) – 69 kW / 94 HP
  • CHEVROLET AVEO Hatchback (T200) 2003 – 2008 1.5 (A15SMS|LV8(91CUL4)) – 62 kW / 84 HP
  • CHEVROLET AVEO Hatchback (T200) 2003 – 2008 1.6 (L44(96CUL4)) – 77 kW / 105 HP
  • CHEVROLET AVEO Saloon (T200) 2003 – 2006 1.5 (LV8(91CUL4)) – 63 kW / 86 HP
  • CHEVROLET AVEO Saloon (T250, T255) 2005 – 2026 1.4 (LDT) – 74 kW / 101 HP
  • CHEVROLET AVEO Saloon (T250, T255) 2005 – 2026 1.5 (F15S3|LX6) – 62 kW / 84 HP
  • CHEVROLET AVEO Saloon (T250, T255) 2005 – 2026 1.6 (LXT) – 75 kW / 102 HP
  • CHEVROLET AVEO Saloon (T250, T255) 2005 – 2026 1.6 (LXV) – 76 kW / 103 HP

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

Related Parts