Brush Spring
WARNING: This page is about a different car, the 2004 Mazda 6 and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Measure the force of the brush spring using a spring pressure gauge. Read the spring pressure gauge at the brush tip projection of 0.079" (2 mm). See Fig 1. Replace as necessary. See GENERATOR SPECIFICATIONS .