It is not too bad to do the rod bearing. You will need to remove the oil pan first, which I have included the instructions for in the images below.
For the SkyActiv-G 2.5L engine commonly found in the 2015 Mazda 6, the connecting rod bolt torque is typically around 33-38 lb-ft (45-52 Nm)
Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
Images (Click to make bigger)
Wednesday, May 17th, 2023 AT 11:32 AM