How long to change timing chain 2005 Mercury mariner 4 cylinder?

Changing the timing chain on a 2005 Mercury Mariner with a 4-cylinder engine typically takes between 6 to 10 hours, depending on the mechanic's experience and the specific conditions of the vehicle. This task involves removing various components to access the timing chain, which can be labor-intensive. It's recommended to consult a professional mechanic for an accurate estimate and to ensure the job is done correctly.