Pontiac Mid-size 1974-1983 Hydro-Boost II Brake Booster Repair Guide
Access our free Hydro-Boost II Brake Booster Repair Guide for Pontiac Mid-size 1974-1983 through AutoZone Rewards. These diagrams include:
- Fig. 1 There are kits available to rebuild the Hydro-Boost II unit
- Fig. 2 Remove the spool valve plug and seal carefully using a suitable prytool
- Fig. 3 Remove the master cylinder, then unbolt and remove the Hydro-Boost II unit

Access our Pontiac Mid-size 1974-1983 Hydro-Boost II Brake Booster Repair Guide Hydro-Boost System Checks by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides.
- Add your vehicle in Manage My Vehicles.
- Enter your vehicle details.
- Click the “View More” button, and then click “Vehicle Repair Guides.”
- Select the chapter “Hydro-Boost II Brake Booster Repair Guide”.