The 4.0 L - SOHC - V6 engine has ( 3 ) timing chains - a main chain from the crankshaft to the " jackshaft " ( the jackshaft is in the same location as the camshaft on the 4.0 L OHV - V6 engine ) at the front of the engine - a second chain from the jackshaft to the drivers side cylinder head at the front of the engine - a third chain from the jackshaft to the passenger side cylinder head at the rear of the engine The 5.0 L - V8 engine has ( 1 ) timing chain at the front of the engine
The 4.0 liter SOHC , V6 , has ( 3 ) timing chains and the 5.0 liter V8 has ( 1 ) timing chain , if that's what you are asking ?
Timing chain.
You can check on eBay.
Timing chains are designed to last the life of the engine. They are normally replaced during a complete engine overhaul. Unless the chain becomes noisy no maintenance is required.
The 5.0 litre / 302 cubic inch V8 used in a 1999 Mercury Mountaineer has a timing CHAIN
Timing Chains (2) with respective guides, tensioners and sprockets.
Mercury Mountaineer was created in 1997.
The 2.5 litre V6 engine in a 1999 Mercury Cougar has ( 1 timing CHAIN to each cylinder head , so there are 2 timing CHAINS )
There are two head gaskets in the V 8 1999 mercury mountaineer
According to the ( 1999 ) Mercury Mountaineer Owner Guide : ( the length is 188.5 inches )
looking for a diagram for 1999 Mercury Mountaineer. Need to take the fuse out for the seatbelt alarm, it will not shut off.
The 1999 Mercury Mountaineer owners manual shows : unleaded fuel only - 87 octane as the recommended fuel