FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Pressure and Vacuum Relief System

Fuel Tank Filler Cap
The fuel tank filler cap:
- relieves system pressure above 14 kPa (2 psi).
- relieves system vacuum below 3.8 kPa (0.5 psi).