How to service the coolant reservoir on Mercury Grand Marquis?

Service of the coolant reservoir starts with draining coolant from the degas bottle alone. First remove both the supply hose of the degas bottle and its overflow hose. Then you must remove the bolt that secures the degas bottle. Hose clamps should never be reused in this process since worm-style clamps should replace the constant tension clamps when you reinstall. Perform the installation steps by reversing the uninstallation procedure.

How to Safely and Effectively Service the Coolant Reservoir on Mercury Mariner?

Service the degas bottle only when the engine and cooling system cool down because the system maintains pressure that causes powerful steam and hot liquid discharge. Turn the degas bottle pressure relief cap counterclockwise one quarter turn slowly to release pressure before uninstalling it. Hose clamp pliers should be used to secure the degas bottle-to-radiator hose before using a suitable suction device to siphon coolant from the degas bottle. The repair requires disconnecting the degas bottle-to-radiator hose together with the 2.3L degas bottle-to-coolant bypass housing hose connection. Tighten both degas bottle nuts to 6 Nm (53 inch lbs.) when you install them. The degas bottle should rise up for disconnecting its hose from the radiator while the bottle remains outside of the vehicle. Reverse the removal steps by filling the degas bottle with an appropriate mixture of coolant according to manufacturer recommendations.

OEM Mercury Coolant Reservoir

Coolant Tank Reservoir

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34 Coolant Reservoirs found

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Mercury Expansion Tank Part Number: BE5Z-8A080-B
$61.48 MSRP: $89.48
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Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir; Reservoir Tank; Reservoir; Coolant Reservoir
- Replaces: AE5Z-8A080-A, 9E5Z-8A080-A, AE5Z-8A080-C
Fits the following Mercury Models:
- Milan | 2010-2011 | Base, Hybrid, Premier | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX
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Mercury Expansion Tank, Front Part Number: AG1Z-8A080-S
$122.71 MSRP: $178.62
You Save: $55.91 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir, Front; Reservoir Tank; Reservoir; Coolant Reservoir
- Position: Front
- Replaces: 8G1Z-8A080-A, AG1Z-8A080-A, AG1Z-8A080-B, AG1Z-8A080-C
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Washer Reservoir, Front Part Number: F77Z-17618-A
$62.62 MSRP: $86.63
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Product Specifications
- Other Name: Reservoir - Windshield Washer; Washer Fluid Reservoir, Front; Windshield Washer Reservoir; Coolant Reservoir; Reservoir
- Position: Front
- Replaces: F57Z-17618-BA
Fits the following Mercury Models:
- Mountaineer | 1997-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Reservoir Part Number: 3F1Z-8A080-EA
$73.50 MSRP: $100.02
You Save: $26.52 (27%)
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Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir; Coolant Reservoir
- Replaces: 1F1Z-8A080-BA
Fits the following Mercury Models:
- Sable | 1996-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Reservoir Part Number: XF5Z-8A080-AA
$23.46 MSRP: $31.92
You Save: $8.46 (27%)
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Product Specifications
- Other Name: Tank Assembly - Radiator; Coolant Reservoir; Tank Assembly - Radiator Overflow
- Manufacturer Note: #XF52 8C045-AC
Fits the following Mercury Models:
- Villager | 1999-2002 | Base, Estate, Sport | 6 Cyl 3.3 L GAS
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Mercury Reservoir, Driver Side Part Number: 1L8Z-8A080-BB
$53.87 MSRP: $77.07
You Save: $23.20 (31%)
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir; Coolant Reservoir
- Position: Driver Side
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Recovery Tank Part Number: F3LY-8A080-A
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Coolant Reservoir
- Manufacturer Note: With Sensor
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 8 Cyl 4.6 L GAS
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Mercury Reservoir Part Number: F3AZ-8A080-A
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir; Coolant Reservoir; Coolant Tank
Fits the following Mercury Models:
- Grand Marquis | 1992-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Expansion Tank Part Number: 8L2Z-8A080-B
$143.90 MSRP: $209.47
You Save: $65.57 (32%)
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir; Coolant Reservoir; Reservoir Tank; Reservoir
- Replaces: 8L2Z-8A080-A, 6L2Z-8A080-B, 6L2Z-8A080-C
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Recovery Tank Part Number: F8RZ-8A080-HA
Product Specifications
- Other Name: Tank Assembly - Radiator; Coolant Reservoir; Reservoir Assembly; Tank Assembly - Radiator Overflow
- Manufacturer Note: No port in filler neck Also uses F5RZ-8100-A, FROM 4/97 TO 10/97
Fits the following Mercury Models:
- Mystique | 1995-1998 | Base, GS, GS Spree, LS, LS Young America | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Reservoir Part Number: 5F9Z-8A080-AB
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Engine Coolant Reservoir; Coolant Reservoir
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Expansion Tank Part Number: BE5Z-8A080-C
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Drive Motor Inverter Coolant Reservoir; Reservoir; Coolant Reservoir
- Replaces: AE5Z-8A080-B, 9E5Z-8A080-B, AE5Z-8A080-D
Fits the following Mercury Models:
- Milan | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Reservoir Tank Part Number: E6DZ17618B
Product Specifications
- Other Name: Reservoir - Water; Windshield Washer Reservoir; Coolant Reservoir; Washer Reservoir
Fits the following Mercury Models:
- Sable | 1986-1989 | GS, LS | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Mercury Recovery Tank Part Number: E83Z-8A080-A
Product Specifications
- Other Name: Tank Assembly - Radiator; Coolant Reservoir; Reservoir; Tank Assembly - Radiator Overflow
Fits the following Mercury Models:
- Lynx | 1984-1985 | Base, GL, GS, L, XR3 | 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L DIESEL
- Topaz | 1984-1991 | Base, GS, GS AWD, LS, LS AWD, LTS, LTS AWD, Sport, Sport AWD, XR5, XR5 AWD | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.3 L GAS
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Mercury Recovery Tank Part Number: E9SZ8A080A
Product Specifications
- Other Name: Tank Assembly Radiator Overflow; Coolant Reservoir; Tank Assembly - Radiator Overflow
Fits the following Mercury Models:
- Cougar | 1989-1993 | LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Mercury Recovery Tank Part Number: F1CZ8A080B
Product Specifications
- Other Name: Tank Assembly Radiator Overflow; Coolant Reservoir; Reservoir; Tank Assembly - Radiator Overflow
Fits the following Mercury Models:
- Tracer | 1991-1996 | Base, Trio | 4 Cyl 1.9 L GAS
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Mercury Reservoir Part Number: F3XY8A080A
Product Specifications
- Other Name: Tank Assembly Radiator Overflow/Reservoir; Coolant Reservoir; Tank Assembly - Radiator Overflow
Fits the following Mercury Models:
- Villager | 1993-1995 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury Reservoir Part Number: F7CZ-8A080-AD
Product Specifications
- Other Name: Tank Assembly - Radiator; Coolant Reservoir; Tank Assembly - Radiator Overflow
- Manufacturer Note: Includes F5CZ-10D968-AA (Sensor), SOHC
Fits the following Mercury Models:
- Tracer | 1997-1998 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Recovery Tank Part Number: F8RZ-8A080-FD
Product Specifications
- Other Name: Tank Assembly - Radiator Overflow; Coolant Reservoir; Reservoir Assembly; Reservoir
- Manufacturer Note: #97BB 8K218-FD
- Replaces: F8RZ-8A080-FC
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 6 Cyl 2.5 L GAS
- Mystique | 1998-2000 | GS, LS | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Reservoir Part Number: XS4Z-8A080-AA
Product Specifications
- Other Name: Tank Assembly - Radiator; Coolant Reservoir; Tank Assembly - Radiator Overflow
- Manufacturer Note: #XS4K 8A080-AA - this design does not have a sensor, SOHC
Fits the following Mercury Models:
- Tracer | 1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS

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1-20 of 34 Results

Mercury Coolant Reservoir

If you own Mercury and want to keep it in top shape, choosing OEM Coolant Reservoir is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Coolant Reservoir at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Coolant Reservoir holds the coolant in place preventing spills and preventing infiltration of air through the pressurized system. In 1939, Mercury introduced cars that combined classy looks, sound interiors, and a softer suspension than the bare-bones models. In the forties and fifties, Mercury worked on refining suspensions that would tame potholes and maintain a dashboard that was not littered with stuff so that the driver could feel like they are in charge of the world. When the Cougar hit the showrooms, Mercury demonstrated that comfort and value could be squared in a midsize body. Seat after seat, cabin after cabin, and steering wheel were updated decade after decade making journeys peaceful and keeping the prices affordable even to common families. Mercury will be remembered as the brand that a badge could be both classy and functional without having to pretend to be a luxury car. On the side of the radiator is a Coolant Reservoir which serves as an expansion area in which heated fluid may expand under pressure without popping hoses or spilling onto asphalt. Under overflow configurations, the Coolant Reservoir gets filled up when pressure exceeds cap rating, then it empties when temperature drops so that the circuit remains full. In actual expansion designs, the Coolant Reservoir remains under system pressure so the coolant has space to contract and expand preventing air sneak-ins in the system. Everyday stroll around the bay should peep into the Coolant Reservoir to check cracks, leaks, and rusty streaks which are the signs of failure in the system.

Mercury Coolant Reservoir Parts and Q&A

Reservoir
3W1Z-8A080-AA
Q: How to service the coolant reservoir on Mercury Grand Marquis?
A:
Service of the coolant reservoir starts with draining coolant from the degas bottle alone. First remove both the supply hose of the degas bottle and its overflow hose. Then you must remove the bolt that secures the degas bottle. Hose clamps should never be reused in this process since worm-style clamps should replace the constant tension clamps when you reinstall. Perform the installation steps by reversing the uninstallation procedure.
Reservoir, Driver Side
1L8Z-8A080-BB
Q: How to Safely and Effectively Service the Coolant Reservoir on Mercury Mariner?
A:
Service the degas bottle only when the engine and cooling system cool down because the system maintains pressure that causes powerful steam and hot liquid discharge. Turn the degas bottle pressure relief cap counterclockwise one quarter turn slowly to release pressure before uninstalling it. Hose clamp pliers should be used to secure the degas bottle-to-radiator hose before using a suitable suction device to siphon coolant from the degas bottle. The repair requires disconnecting the degas bottle-to-radiator hose together with the 2.3L degas bottle-to-coolant bypass housing hose connection. Tighten both degas bottle nuts to 6 Nm (53 inch lbs.) when you install them. The degas bottle should rise up for disconnecting its hose from the radiator while the bottle remains outside of the vehicle. Reverse the removal steps by filling the degas bottle with an appropriate mixture of coolant according to manufacturer recommendations.