Power Brake Unit Inspection: Notes
WARNING: This page is about a different car, the 2021 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
Special service tool (SST)
| 49 U043 004A Oil pressure gauge (Part of 49 U043 0A0A) |
49 U043 005 Joint (Part of 49 U043 0A0A) |
49 U043 006 Hose (Part of 49 U043 0A0A) |
CAUTION:
- Brake fluid will damage painted surfaces. Be careful not to spill any on painted surfaces. In addition, if there is any brake fluid on the wiring harness, the wire insulation may corrode causing a malfunction such as a short circuit. If brake fluid gets on a painted surface or wiring harness, wash and flush it off completely with water immediately.
NOTE:
- The following inspection methods are simple inspection methods to judge the function of the power brake unit.
- If there is any malfunction in the power brake unit, replace the power brake unit as a single unit. (See POWER BRAKE UNIT REMOVAL/INSTALLATION .)
- Tighten the brake pipe flare nut using any commercially available flare nut wrench.