XJ (X350) V8-4.2L SC (2004)
5. Inspect brake pipes for red rusting (Figure 3).
CAUTION:
Red rusting indicates that the corrosion has begun to penetrate the steel inner pipe. (Figure 4)
^ If evidence of red rusting is present on any of the brake pipes, continue to REPLACE UNDERFLOOR BRAKE PIPES. (Figure 4)
^ If no red rusting is evident proceed to step 6.
NOTE:
White corrosion indicates zinc plating working correctly.