Frontier 2WD V6-3.3L (VG33E) (2003)
2. Remove pin from the reservoir tank using suitable tool.
3. Remove the master cylinder assembly from the vise.
4. Remove the reservoir tank and grommet from the cylinder body.
5. Push the primary piston and remove the stopper pin form secondary tank boss hole in the cylinder body.
CAUTION: Be careful not to damage the inner wall of the cylinder.
6. Press in the primary piston and remove the snap ring.
7. Holding the rod of the primary piston, remove the primary piston assembly, the plate and the guide. Pull components straight out of the cylinder to
prevent damage to the inner wall of the cylinder.
8. Remove the plate and guide from the primary piston.
CAUTION: Be careful not to damage the rod on the inner wall of the plate.
INSPECTION AFTER DISASSEMBLY
Master cylinder
Check master cylinder inner wall for pin holes and scratches. Replace if damaged.
Piston
Check the piston cup for damage. Replace the piston if damage is found.
ASSEMBLY
4WD models with AT and VDC
CAUTION: Never use mineral oils such as kerosene or gasoline during the cleaning and assembly process.
Make sure there is no foreign material such as dirt and dust on the inner cylinder wall, piston and cup seal.
Be careful not to damage the parts with a service tool when assembling.
Do not drop parts. Do not use dropped parts.
1. Apply brake fluid to the inner wall of the cylinder body and contact surface of the piston assembly.
2. Insert secondary piston and primary piston assembly in the cylinder body.