13 mm
M10 x1.50
Or tensioner bolt if different
Take the belt off, take the bolt off of the idler pulley, take the pulley off, put a new one on replace the bolt, and put the belt back on
19mm
14 mm...
Type and year of car would help.
Left Hand. Size 50 Torx
a 32mm
6x8
The idler pulley bolt for a 1994 Ford F350 with a 7.3L diesel engine typically uses a 15mm socket for removal and installation. Always check the specific vehicle service manual or consult a parts dealer for confirmation, as there can be variations.
5 x 7
22mm