If you are just topping up , a 50 /50 mixture of antifreeze and preferably distilled
water ( Ford states to not exceed 60 % antifreeze ) can be added to the reservoir to
bring the level up to the cold mark with the engine cold
Yes you can.
The engine cooling system capacity , including the reservoir is 12.8 quarts on a 1997 Mercury Mountaineer So , a 50 / 50 mix of antifreeze and preferably distilled water ( that's the way it came from the factory ) would take * ( 6.4 quarts of antifreeze ) *
The power steering might whine on a 1998 Mercury Mountaineer because the pump or reservoir is low on fluid. Check the reservoir and add fluid to eliminate the whine. You may have a leak in the system.
The only place available is the coolant reservoir.
bottom of radiator on right side facing engine
On a 2002 Mercury Cougar : No , the thread on cap on your engine coolant reservoir is the pressure cap / radiator cap
The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap on a 1999 Mercury Mystique
The low pressure port on a 1998 Mercury mountaineer is located on top of the ac drier. The drier is mounted close to the radiator on the passenger side.
Is it the fan behind the radiator, or the fan that blows air into the cabin?
No , the thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 2003 Mercury Sable : The thread on cap on the engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 2002 Mercury Sable : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap