No, most are the standard right hand thread. Year, make, and engine info would help.
harmonic balance has left hand thread
The bolt is just a standard right hand thread. Just took one out of an '01 Xterra.
The left pedal is the one with the left-hand thread.
The left pedal on a bike typically has a left-hand thread.
A right hand thread tightens by turning clockwise, while a left hand thread tightens by turning counterclockwise.
Right hand thread
i am sure its left hand thread
They are standard right hand threads.
It is a right hand thread.
Right hand thread
I think this one is left hand thread Nope it's regular right hand thread. If it's a 7.3L diesel also the 6.0L is also right hand thread and the 6.4L is a left hand thread. Only way it would be left hand thread is if it's stamped on the fan shroud. If nothing is stamped then regular right hand. Hope this helps Powerstroke57
The bolt holding the pulley to the tensioner arm is left hand thread. The nut holding the tensioner to the engine is right hand thread.