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D2 - System Inspection
- Key OFF.
- Reconnect the vacuum booster hose.
- Inspect plastic power brake booster check valve (2365), brake tube grommet (2K409) and all vacuum plumbing for cracks, holes, bad connections or missing clamps.
- Push down on brake pedal.
- Start engine.
- Does the pedal move downward when the engine is started?
YES -- Vacuum system is OK.
NO -- Go to D3.