How to replace the coolant reservoir on Buick LaCrosse?

In order to replace the coolant recovery reservoir, you will first have to move the Coolant Reservoir hose clamp to a place not obstructing the radiator overflow fitting and remove the Coolant Reservoir hose from the fitting. Remove the Coolant Reservoir hose support retainer from the electrical harness, and then take out the reservoir nuts from the shock tower studs along with the removal of the coolant recovery reservoir from the lower retainer and shock tower studs. Drain the recovery reservoir coolants into a clean container. For installation, you should mount the coolant recovery reservoir back onto the lower retainer and shock tower studs and install the nuts on the studs and tighten them to 3.3 nm (29 inch lbs.). Lubricate the reservoir hose with clean water and we will route it to the radiator overflow neck fitting, with the end of hose flush on the radiator filler neck and the clamp squarely between the neck and flared end of the fitting before we instal the the Coolant Reservoir hose to radiator overflow fitting. Connect the support retainer for the Coolant Reservoir hose to the electrical harness, align the Coolant Reservoir hose clamp to the radiator overflow fitting, and fill the position of the coolant recovery reservoir to the correct level.

How to Service and Repair the Coolant Reservoir on Buick Regal?

You need to remove the cross vehicle brace as your first step when replacing the coolant recovery reservoir. Move the Coolant Reservoir hose clamp to the radiator overflow fitting and disconnect the hose from this fitting. Start by taking off the nuts from the shock tower studs until you remove the coolant recovery reservoir from its position between the lower retainer and shock tower studs while coolant drains into a clean container. For fitting the coolant recovery reservoir attach it to the lower retainer and shock tower studs before tightening nuts on the studs to 3.3 nm (29 inch lbs.). The reservoir hose needs cleaning water lubrication alongside a proper routing to the radiator overflow neck fitting before fitting the Coolant Reservoir hose to the radiator filler neck area while placing it flush to the neck position and properly seating the clamp between the hose and radiating fitting. Replace the Coolant Reservoir hose clamp on the radiator overflow fitting and reinstall the cross vehicle brace afterwards you should fill the coolant recovery reservoir to its correct level.

OEM Buick Coolant Reservoir

Coolant Tank Reservoir

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57 Coolant Reservoirs found

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Buick Transmission Cooler Part Number: 89022552
$114.25 MSRP: $172.32
You Save: $58.07 (34%)
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Product Specifications
- Other Name: Tank; Tank Kit, Radiator
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Recovery Tank Part Number: 25760633
$109.64 MSRP: $163.15
You Save: $53.51 (33%)
Product Specifications
- Other Name: Container, Heater Coolant Tank; Coolant Reservoir; Reservoir; Tank, Engine Coolant Recovery
Fits the following Buick Models:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Reservoir Tank Part Number: 22598031
$33.60 MSRP: $50.00
You Save: $16.40 (33%)
Product Specifications
- Other Name: Tank, Engine Coolant Recovery; Coolant Reservoir; Recovery Tank
- Replaces: 22598030
Fits the following Buick Models:
- Skylark | 1992-1993 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.3 L GAS
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Buick Reservoir Part Number: 25924047
$25.38 MSRP: $39.75
You Save: $14.37 (37%)
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir
- Replaces: 15820109
Fits the following Buick Models:
- LaCrosse | 2005-2008 | CXS | 6 Cyl 3.6 L GAS
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Buick Reservoir Tank Part Number: 10170152
$36.05 MSRP: $53.65
You Save: $17.60 (33%)
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Recovery Tank; Reservoir; Steering
Fits the following Buick Models:
- Century | 1984-1993 | Custom, Estate Wagon, Limited, Special, T-Type | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Recovery Tank Part Number: 25660577
Product Specifications
- Other Name: Reservoir, Coolant Recovery; Coolant Reservoir; Reservoir, Engine Coolant Recovery
Fits the following Buick Models:
- Park Avenue | 1997-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Recovery Tank Part Number: 25725820
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir
- Replaces: 25703057, 25654622
Fits the following Buick Models:
- LeSabre | 2000-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Reservoir Tank Part Number: 25924048
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Reservoir
- Replaces: 10336881, 15219341, 15913154, 10349231, 10353392, 15820110
Fits the following Buick Models:
- LaCrosse | 2005-2009 | CX, CXL, CXS | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
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Buick Recovery Tank Part Number: 25636828
Product Specifications
- Other Name: Reservoir, Coolant Recovery; Coolant Reservoir; Reservoir, Engine Coolant Recovery
Fits the following Buick Models:
- LeSabre | 1992-1999 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-1996 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Recovery Tank Part Number: 10318741
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Reservoir
- Replaces: 10423219, 10288690
Fits the following Buick Models:
- Century | 1999-2000 | Custom, Limited | 6 Cyl 3.1 L GAS
- Regal | 1999-2000 | GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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Buick Reservoir Tank Part Number: 25780737
Product Specifications
- Other Name: Reservoir, Coolant Recovery; Coolant Reservoir; Reservoir; Reservoir, Engine Coolant Recovery
- Replaces: 15884833, 15144777, 15762761
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Reservoir Tank Part Number: 25525470
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Recovery Tank; Recovery Tank Cap
Fits the following Buick Models:
- Regal | 1984-1987 | Base, GNX, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Recovery Tank Part Number: 10285916
$65.93 MSRP: $98.10
You Save: $32.17 (33%)
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Reservoir
- Replaces: 10253823, 10259659
Fits the following Buick Models:
- Regal | 1994-1996 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
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Buick Reservoir Tank Part Number: 22539047
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Recovery Tank; Reservoir
Fits the following Buick Models:
- Skyhawk | 1985-1986 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Skylark | 1985-1988 | Custom, Limited | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
- Somerset | 1986-1987 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Somerset Regal | 1985 | Base, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Buick Recovery Tank Part Number: 10421156
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Reservoir
- Replaces: 10292341, 10404185
Fits the following Buick Models:
- Century | 1997-1998 | Custom, Limited | 6 Cyl 3.1 L GAS
- Regal | 1997-1998 | 25th Anniversary Edition, GS, LS | 6 Cyl 3.8 L GAS
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Buick Reservoir Part Number: 23120052
Product Specifications
- Other Name: Container, Heater Coolant Tank; Coolant Reservoir; Tank, Engine Coolant Recovery
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Reservoir Tank Part Number: 14038591
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Reservoir; Reservoir, Radiator Overflow
Fits the following Buick Models:
- Skylark | 1984-1985 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
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Buick Recovery Tank Part Number: 22072620
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir
- Replaces: 22086094
Fits the following Buick Models:
- Electra | 1989-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1989-1991 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Recovery Tank Part Number: 22505434
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir; Reservoir
Fits the following Buick Models:
- Riviera | 1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Recovery Tank Part Number: 25523627
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir
Fits the following Buick Models:
- Electra | 1985-1986 | Limited, Park Avenue, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL

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Buick Coolant Reservoir

Choose OEM Coolant Reservoir, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Coolant Reservoir. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Coolant Reservoir maintains constant level of coolant in the system and eliminates air or insulates the engines. Buick came into the picture in 1903, and it continues to provide that smooth sailing that people want, matching large cabins with sound-damping laminates, so that conversations can remain easy even when the highways are screaming. Even in 2022, when it showed off an electric version of the Wildcat, the brand toyed with the idea of leaving the comfort behind to become EV, demonstrating that it could be a tribute to the past but also herald the electric future. Drivers are watching such easy, considerate details as logical controls, easy-to-read displays, and suspensions that absorb broken pavement rather than transmitting jolts along the steering column. Strong construction quality ensures that panels are tight and rattles are infrequent and that reliability is old and therefore need not be screamed. Owners like that the brand has a balance between modern safety technology and user-friendly interfaces instead of hiding essential buttons under the screens. The Coolant Reservoir is an extruded plastic recovery tank that sits next to the radiator within the engine bay and allows excess coolant to expand into as the temperatures drop and contract into it under pressure, a simple loop that prevents the sneaking of air into passages, keeps fluids at the correct level and corrosion in check throughout the entire range of models. Due to the fact that Buick manufactures pressurized and vented systems, Coolant Reservoir provides corresponding caps and hose ports, thus exchanging it is relatively simple, and frequent inspections of cracks or leakages after years of heat cycling maintain the ability of drivers not to face sudden displays of steam on the freeway.

Buick Coolant Reservoir Parts and Q&A

Reservoir
25924047
Q: How to replace the coolant reservoir on Buick LaCrosse?
A:
In order to replace the coolant recovery reservoir, you will first have to move the Coolant Reservoir hose clamp to a place not obstructing the radiator overflow fitting and remove the Coolant Reservoir hose from the fitting. Remove the Coolant Reservoir hose support retainer from the electrical harness, and then take out the reservoir nuts from the shock tower studs along with the removal of the coolant recovery reservoir from the lower retainer and shock tower studs. Drain the recovery reservoir coolants into a clean container. For installation, you should mount the coolant recovery reservoir back onto the lower retainer and shock tower studs and install the nuts on the studs and tighten them to 3.3 nm (29 inch lbs.). Lubricate the reservoir hose with clean water and we will route it to the radiator overflow neck fitting, with the end of hose flush on the radiator filler neck and the clamp squarely between the neck and flared end of the fitting before we instal the the Coolant Reservoir hose to radiator overflow fitting. Connect the support retainer for the Coolant Reservoir hose to the electrical harness, align the Coolant Reservoir hose clamp to the radiator overflow fitting, and fill the position of the coolant recovery reservoir to the correct level.
Reservoir Tank
10333858
Q: How to Service and Repair the Coolant Reservoir on Buick Regal?
A:
You need to remove the cross vehicle brace as your first step when replacing the coolant recovery reservoir. Move the Coolant Reservoir hose clamp to the radiator overflow fitting and disconnect the hose from this fitting. Start by taking off the nuts from the shock tower studs until you remove the coolant recovery reservoir from its position between the lower retainer and shock tower studs while coolant drains into a clean container. For fitting the coolant recovery reservoir attach it to the lower retainer and shock tower studs before tightening nuts on the studs to 3.3 nm (29 inch lbs.). The reservoir hose needs cleaning water lubrication alongside a proper routing to the radiator overflow neck fitting before fitting the Coolant Reservoir hose to the radiator filler neck area while placing it flush to the neck position and properly seating the clamp between the hose and radiating fitting. Replace the Coolant Reservoir hose clamp on the radiator overflow fitting and reinstall the cross vehicle brace afterwards you should fill the coolant recovery reservoir to its correct level.