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There are two head gaskets in the V 8 1999 mercury mountaineer
The first model year of the Mercury Mountaineer sport utility vehicle was 1997 Did you mean 2005 ?
On a 2002 Mercury Mountaineer : Put your low beam head lights on and pull the headlight selector switch towards you
blown head or cracked block
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
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
The engines in a 1999 Mercury Mountaineer ( 4.0L Single Over Head Cam V6 and the 5.0L Over Head Valve V8 ) are both fuel injected , so there is no carburetor
On a 2002 Mercury Mountaineer : The 4.6 liter V8 engine uses ( 2 timing CHAINS / 1 CHAIN to each cylinder head )
1997 was the first year of the Mercury Mountaineer and the only engine available was the 5 liter over head valve ( OHV ) design with ( 2 ) valves per engine cylinder
In a 2002 Mercury Mountaineer : The 4.0 liter Single Over Head Cam , V6 engine has ( 6 fuel injectors ) The 4.6 liter V8 has ( 8 )
You first need to open the rear lift gate. Then you need to remove the two hex-head bolts from the side of the tail lamp using a socket wrench and 7 mm socket.
You don't mention the model year of Mercury Mountaineer , or the engine size , but : The 4.0 litre Single Over Head Cam , V6 engine in a Mercury Mountaineer has always taken ( 5.0 US. quarts / 4.7 litres of 5W-30 engine oil , with engine oil filter change ) no matter what the model year