you don't the computer does it for you. if it is out of time you may want to check cam sensor or possibly timing chain.
The 1.8 liter four cylinder engine in a 2007 Nissan Versa has a timing CHAIN
The 4.0 liter V6 engine in a 2007 Nissan Frontier has a timing CHAIN
The 2007 Nissan Titan has a V8 engine.
The 2007 Nissan Titan has 32 valves.
The 2007 Nissan Titan is a gas-powered vehicle.
The 2007 Nissan Titan's turning circle is 45.6 ft..
The 2007 Nissan Titan has a 5-speed shiftable automatic.
The 2007 Nissan Titan is 18 ft. 8.2 in. (224.2 in.) long.
The 2007 Nissan Titan runs on regular unleaded.
The height of the 2007 Nissan Titan is 6 ft. 3 in. (75 in.).
The 2007 Nissan Titan has double overhead cam (DOHC).
The 2007 Nissan Titan has 60.3 in. of rear hip room.