It's right between the alternator fluid reservoir and the port side fallopian tubing. =)))
More information needed is it a vehicle, stationary motor, outboard, aircraft engine ? the usual one on cars is overfilling the oil.
5W20 if it is the same motor they used in the 2001 it takes 6 quarts - should tell you on the cap unless it is a replacement cap !
The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap on a 1999 Mercury Mystique
On a 2002 Mercury Cougar : No , the thread on cap on your engine coolant reservoir is the pressure cap / radiator cap
Filler cap for 1400 jcb backhoe
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
On a 1997 Mercury Grand Marquis : The thread on cap on the engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 2007 Mercury Milan : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
As of July 2014, the market cap for Mercury General Corporation (MCY) is $2,624,640,983.58.
As of July 2014, the market cap for Mercury Systems Inc (MRCY) is $375,425,545.83.
To refuel an outboard boat with a portable tank, first ensure the engine is turned off and the boat is in a well-ventilated area. Disconnect the fuel line from the outboard motor, then open the cap on the portable tank and use a siphon or a funnel to transfer fuel into the tank. After refueling, securely close the tank cap, reconnect the fuel line, and check for leaks before starting the engine. Always follow safety precautions and local regulations regarding fuel handling.