FIREWALL 4 - 8 3 - 7 2 - 6 1 - 5 FRONT
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
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
V6 firewall 3 - 6 2 - 5 1 - 4 front of Mercury Mountaineer ============================= V8 firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Mountaineer
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Mountaineer ( V8 )
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Mountaineer
On a 1999 Mercury Mountaineer , 4.0 liter V6 engine : firewall 3 - 6 2 - 5 1 - 4 front of vehicle
On a 2005 Mercury Mountaineer , 4.6 liter V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a Mercury Mountaineer : V6 firewall 3 - 6 2 - 5 1 - 4 front of vehicle -------------------------- V8 firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 2003 Mercury Mountaineer , 4.6 litre V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 1999 Mercury Mountaineer , 5.0 liter V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 2005 Mercury Mountaineer : V6 engine firewall 3 - 6 2 - 5 1 - 4 front of vehicle ---------------------------------------------- V8 engine firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 1997 Mercury Mountaineer ( that came with the 5.0 liter / 302 cubic inch V8 ) The towers on the ( 2 ) coil packs are numbered : ( 4 - 7 ) ( 3 - 5 ) ( 8 - 2 ) ( 6 - 1 ) front of vehicle -------------------------------------------------------------------------------------------- The engine cylinder locations are numbered : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Mountaineer ( V8 ) ------------------------------------------------------------------------------------------ The spark plug firing order is ( 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8 ) According to my Haynes manual