subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

ABOUT US
State Emissions Test - Fuel Filler Cap Test Procedure|Page 2077 > < State Emissions Test - Fuel Filler Cap Test Procedure|Page 2075

XT-6 2WD L6-2.7L SOHC (1989)

Page 1
background image

Fuel Filler Cap: Description and Operation

Fuel Filler Cap

PURPOSE

Prevents development of a vacuum in the fuel tank in event of fuel vapor line problems and as fuel level varies.

OPERATION

 When vacuum develops in the tank, valve "A" opens to admit air and thus equalize tank pressure.

State Emissions Test - Fuel Filler Cap Test Procedure|Page 2077 > < State Emissions Test - Fuel Filler Cap Test Procedure|Page 2075