if you go to any auto parts store they have repair manuals that show you how to take apart and put back together your specific vehicle, has photos. would find mountaineer in a Ford Explorer book. cost about $20, but are worth it.
There are two head gaskets in the V 8 1999 mercury mountaineer
In a 1999 Mercury Mountaineer : In the Power Distribution Box ( which is " live " ) located in the engine compartment , on the drivers side of the engine compartment ( relay # 5 is the fuel pump relay )
On a 1999 Mercury Mountaineer , 5.0 litre V8 engine : ( the engine oil pump is INSIDE the oil pan )
On a 1999 Mercury Mountaineer , 4.0 liter V6 engine : firewall 3 - 6 2 - 5 1 - 4 front of vehicle
Mercury Mountaineer was created in 1997.
The 1999 Mercury Mountaineer either has the ( 4.0 liter Single Over Head Cam , V6 engine or the 5.0 liter V8 , which is an over head valve / pushrod design engine ) Helpfull
I believe it is mounted below the battery tray in the engine compartment
In a 1999 Mercury Mountaineer : Either the 4.0 liter Single Over Head Cam ( SOHC ) V6 engine , or the 5.0 liter V8 , which is an over head valve / push rod design engine
On a 1999 Mercury Mountaineer , 5.0 liter V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
According to the ( 1999 ) Mercury Mountaineer Owner Guide : ( the length is 188.5 inches )
( 5 quarts ) with engine oil filter change
On a 1999 Mercury Mountaineer : The fuel pump relay is in the Power Distribution Box ( which is " live " ) located in the engine compartment on the drivers side You can view the 1999 Mercury Mountaineer owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( the fuses and relays section starts on page 170 )