Mazda CX-5 Service & Repair Manual: Fuel Filler Cap

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Fuel Filler Cap

Purpose, Function

Releases evaporative gas from the fuel tank if there is a malfunction in the evaporative gas passage between the fuel tank and the intake manifold. As a result, deformation of the fuel tank caused by evaporative gas pressure is prevented.

Construction

The fuel-filler cap is installed to the fuel filler opening.
The fuel-filler cap consists of a valves, retainer, and springs.

Operation

When there is positive pressure in the fuel tank due to evaporative gas, evaporative gas is released into the atmosphere. When there is negative pressure, air is introduced to the fuel tank.

Fuel Filler Cap Inspection

Leakage Inspection 1. Perform the following tester (evaporative emission system tester (134-01049A)) self-test: NOTE: If the tester does not work correctly during self-test, refer to the ...

Fuel Filler Lid Adjustment

1. Verify that the gap and height difference between the fuel-filler lid and body. 2. Loosen the bolts and adjust the fuel-filler lid. Standard clearance a: 1.7—3.7 mm {0.07—0.14 ...

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