Optima V6-2.7L VIN 4 (2007)
Vacuum Brake Booster: Removal and Replacement
REMOVAL
1. Disconnect the vacuum hose (B) from the brake booster (A).
[M/T]
2. Remove the master cylinder.
3. Disconnect the vacuum hose (B) from the brake booster (A).
4. Remove the four booster mounting nuts (C).
5. Remove the brake booster (A) from the engine compartment.
INSTALLATION
1. Adjust push rod length of the booster, and then install the seal on the booster assembly.
Standard length(A) : 108 ± 0.5 mm (4.25 ± 0.02 in)
2. Insert the booster and tighten the nuts (C).