Dual Proportioning Valve (Without ABS/TCS) or Brake Pipe Joint (With ABS/TCS) Installation Note

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Install the dual proportioning valve (without ABS/TCS) or brake pipe joint (with ABS/TCS) so that the R mark faces the left side of the vehicle.

Fig 1: Identifying R Mark On Dual Proportioning Valve
Courtesy of MAZDA MOTORS CORP.