Laser L4-1997cc 2.0L DOHC (1990)
Vacuum Brake Booster: Service and Repair
Fig. 1 Replacing Power Brake Unit
Remove power brake unit in numbered sequence, noting the following:
1.
Check valve is integral with vacuum line. If valve is defective, replace as an assembly.
2.
When installing vacuum hose fitting, apply semi-drying sealant to threaded portion.
3.
Reverse procedure to install.