Torque and Inspect Brake Pipes
Materials Needed:Torque Wrench (0-30 Nm [0 - 22 ft-lbs])
12 mm Flare Nut Crows Foot
14 mm Flare Nut Crows Foot
Brake Bleeder Adapter (SA9150BR)
1. Wipe all brake pipe-to-master cylinder joints clean with a shop rag.
CAUTION:
MAKE SURE VEHICLE IS PROPERLY SUPPORTED AND SQUARELY POSITIONED ON HOIST. TO HELP AVOID PERSONAL INJURY; PROVIDE ADDITIONAL SUPPORT TO OPPOSITE END OF VEHICLE THAT COMPONENTS WILL BE REMOVED FROM.
2. Raise vehicle on hoist.
NOTICE:
Always follow recommended torque specifications and procedures. Over-torque or under-torque of a brake pipe connection, may result in brake fluid leakage, brake pipe damage, and/or brake system failure.
3. Use torque wrench to check the torque of rear brake pipe-to-rear brake hose joints.
Torque: 18 Nm (14 ft-lbs)
4. Wipe both joints clean with a shop rag.
5. Lower vehicle.
6. Exercise brake hydraulic system by performing the following:
a. Start vehicle.
b. Pump brake pedal 10 times with moderate pressure.
c. Turn Off vehicle.
d. Wait 2 minutes before continuing with procedure.
7. Perform the following inspections:
CAUTION:
MAKE SURE VEHICLE IS PROPERLY SUPPORTED AND SQUARELY POSITIONED ON HOIST. TO HELP AVOID PERSONAL INJURY, PROVIDE ADDITIONAL SUPPORT TO OPPOSITE END OF VEHICLE THAT COMPONENTS WILL BE REMOVED FROM.
a. Raise vehicle on hoist.
b. Inspect rear brake pipe-to-rear brake hose joints for visible signs of brake fluid leakage.
c. Lower vehicle.
d. Inspect all four brake pipe-to-master cylinder joints for visible signs of brake fluid leakage.
8. Based on inspections performed above:
^ If brake fluid leakage is not present at any joints inspected, no additional repairs are necessary.
^ If brake fluid leakage is present at any joint(s) inspected, replace affected brake pipe(s). (Refer to appropriate brake pipe replacement procedure in this bulletin.)