Broken BVSV Nipple Repair - Model Glue and Silicone Fix

Fuel Systembeginner✓ Community Verified

Problem

The bottom nipple on the BVSV (Bimetallic Vacuum Switching Valve) snapped off, disconnecting the charcoal canister vacuum line and creating a potential vacuum leak once the BVSV opens at operating temperature.

Broken nipple on BVSVDisconnected charcoal canister vacuum linePotential vacuum leak at operating temperature when BVSV opensPossible gas smell around vehicle if charcoal canister system is not functioning

Root Cause

The plastic/metal nipple on the BVSV is fragile and prone to snapping off during hose removal or reconnection, especially on older vehicles with brittle components.

Confidence

Moderate confidence — Multiple community members agreed on this solution

View Original Thread →Posted May 2023 on SupraForums.com