How to remove and install a radiator and coolant reservoir on Hyundai Sonata?

Buy non-toxic coolant at auto parts stores and dispose of used coolant properly. To remove the radiator, disconnect the negative battery cable, remove engine shields and covers, disconnect fan motor wiring, and drain the cooling system. Detach radiator hoses and reservoir hose. If your vehicle has automatic transaxles, disconnect the transaxle oil cooler hoses. Remove the radiator top mounting brackets and remove the radiator and fan(s). Inspect the radiator for leaks, damage, and blockage. Clean the radiator with compressed air and a soft brush. To install, ensure rubber mounts are in place. Fill the cooling system with antifreeze and water. Start the engine, check for leaks, and add coolant if needed. Check the automatic transaxle fluid level. The coolant reservoir is attached to the fenderwell. Disconnect the hose, remove the reservoir, pour out remaining coolant, and inspect for damage. To reinstall, reverse the removal procedure and refill to the lower level line.

Genuine Hyundai Sonata Coolant Reservoir

Coolant Tank Reservoir

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17 Coolant Reservoirs found

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Hyundai Sonata Radiator Reservoir Assembly
Part Number: 25431-3K000
$32.92 MSRP: $45.85
You Save: $12.93 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Reservoir Assembly- Radiator; Reservoir
- Replaces: 25430-3K000
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2005-2010 Hyundai Sonata | High Grade, Middle Grade | DOHC - MPI | 4 Door Sedan, Sedan - 4Door 5P
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Hyundai Sonata Reservoir Tank Assembly
Part Number: 25430-C1100
$17.62 MSRP: $23.34
You Save: $5.72 (25%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Reservoir Assembly- Radiator; Expansion Tank, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2015-2019 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Reservoir Assembly- Radiator
Part Number: 25431-C1100
$17.62 MSRP: $23.34
You Save: $5.72 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2015-2019 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Reservoir Tank Assembly
Part Number: 25430-2T000
$19.18 MSRP: $25.40
You Save: $6.22 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank Assembly-Reservoir; Reservoir, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2014 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Radiator Tank
Part Number: 25430-38050
$31.18 MSRP: $41.98
You Save: $10.80 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank-Surge
- Replaced by: 25430-3C050
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1998-2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door, 4 Door Sedan
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Hyundai Sonata Radiator Reservoir And Hose Assembly
Part Number: 25305-34001
$3.89 MSRP: $5.15
You Save: $1.26 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir & Hose Assembly-Radiator; Reservoir, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1993-1998 Hyundai Sonata | High Grade, Middle Grade | 4 Door
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Hyundai Sonata Reservoir Tank Assembly
Part Number: 25430-L1500
$55.36 MSRP: $77.11
You Save: $21.75 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank Assy-Reservoir; Expansion Tank
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2020-2023 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Reservoir Tank Assembly
Part Number: 25430-3S000
$18.90 MSRP: $25.40
You Save: $6.50 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank Assembly-Reservoir; Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2014 Hyundai Sonata | DOHC - GDI | Sedan - 4Door 5P
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Hyundai Sonata Radiator Reservoir Assembly
Part Number: 25431-38050
$32.86 MSRP: $45.77
You Save: $12.91 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir Assembly- Radiator; Reservoir
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2001-2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door Sedan
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Hyundai Sonata Radiator Reservoir And Hose Assembly
Part Number: 25305-33000
$30.35 MSRP: $40.85
You Save: $10.50 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir & Hose Assembly-Radiator
- Replaced by: 25305-33200
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
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Hyundai Sonata Radiator Reservoir And Hose Assembly
Part Number: 25305-33200
$29.33 MSRP: $40.85
You Save: $11.52 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir & Hose Assembly-Radiator; Reservoir
- Replaces: 25305-33000, 25430-33112
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
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Hyundai Sonata Surge Tank
Part Number: 25430-33112
$30.35 MSRP: $40.85
You Save: $10.50 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank-Surge
- Replaced by: 25305-33200
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
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Hyundai Sonata Radiator Reservoir And Hose Assembly
Part Number: 25305-33300
$35.56 MSRP: $49.53
You Save: $13.97 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir & Hose Assembly-Radiator; Reservoir
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
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Hyundai Sonata Tank Assy-Reservoir
Part Number: 25430-L2000
$63.90 MSRP: $89.77
You Save: $25.87 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Expansion Tank
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2020-2023 Hyundai Sonata | DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Tank Assy-Reservoir
Part Number: 25430-L3000
$133.34 MSRP: $187.34
You Save: $54.00 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Expansion Tank, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2020-2022 Hyundai Sonata | DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Tank Assy-Reservoir
Part Number: 25430-L0500
$141.15 MSRP: $198.31
You Save: $57.16 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Expansion Tank, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2020-2022 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Reservoir Tank Assembly
Part Number: 25429-L0250
$41.53 MSRP: $57.84
You Save: $16.31 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Tank Assy-Reservoir; Expansion Tank, Reservoir Assembly
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2020-2022 Hyundai Sonata | DOHC - TCI/GDI | Sedan - 4Door 5P

Hyundai Sonata Coolant Reservoir

Hyundai Sonata Coolant Reservoir is a part known also as a coolant overflow tank, which plays an important role in a car's cooling system. Its key function is to store the extra coolant fluid in order to help in cooling of engines. There are two main types of Coolant Reservoirs used in Sonata vehicles: continental and non-continental that shall be divided into categories; pressurized and non pressurized. Generally, pressurized Coolant Reservoir has metal cap with pressure rating printed at the cap of it, but for non-pressurized type, there is a plastic cover. Both types are essential to avoid situations with coolant leakage, air pollution, and the corrosion of the working system to guarantee the engine's efficiency and durability. It is advised to checked routinely to look at any signs of crack, leakages, or any form of discoloration that will imply deterioration or contamination.

If you are looking for affordable high-quality OEM Hyundai Sonata Coolant Reservoir, then you have come to the prime place. Our website provides a large amount of genuine Hyundai Sonata Coolant Reservoir at unbeatable prices. All our parts come backed with the manufacturer's warranty.

Hyundai Sonata Coolant Reservoir Parts Questions & Experts Answers

Reservoir Tank Assembly
25430-2T000
Q: How to remove and install a radiator and coolant reservoir on Hyundai Sonata?
A: Buy non-toxic coolant at auto parts stores and dispose of used coolant properly. To remove the radiator, disconnect the negative battery cable, remove engine shields and covers, disconnect fan motor wiring, and drain the cooling system. Detach radiator hoses and reservoir hose. If your vehicle has automatic transaxles, disconnect the transaxle oil cooler hoses. Remove the radiator top mounting brackets and remove the radiator and fan(s). Inspect the radiator for leaks, damage, and blockage. Clean the radiator with compressed air and a soft brush. To install, ensure rubber mounts are in place. Fill the cooling system with antifreeze and water. Start the engine, check for leaks, and add coolant if needed. Check the automatic transaxle fluid level. The coolant reservoir is attached to the fenderwell. Disconnect the hose, remove the reservoir, pour out remaining coolant, and inspect for damage. To reinstall, reverse the removal procedure and refill to the lower level line.

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