fuel
EVAP Vent Valve
for 2021 Honda Accord 1.5L I4 Turbo · FWD
Editorial review:Chris Hackleman — Master Technician · 20+ years · Jeff Moore — Master Lexus & Toyota Mechanic · 20+ years
Difficulty
Easy
Time
48 min
Tools
8
Steps
9
✓Expert-verified. Personally reviewed and approved by OLP's master technicians (Chris Hackleman & Jeff Moore — 20+ years each). Always follow the vehicle's factory service information and torque specs.
This procedure covers the removal and replacement of the EVAP vent valve on a 2018-2024 Honda Accord with the 1.5L turbocharged engine.
Warnings
⚠Ensure the vehicle has cooled completely before beginning work to avoid burns from exhaust components
⚠The EVAP system contains fuel vapors; work in a well-ventilated area and avoid open flames or sparks
ℹ️The EVAP vent valve is located near the fuel tank on the driver's side, underneath the vehicle
Tools required
10mm socket and ratchetEssential
Extension setEssential
Flathead screwdriver
Panel removal tool
Shop light or flashlightEssential
Torque wrenchEssential
Jack and jack standsEssential
Wheel chocksEssential
Parts
- EVAP vent valve × 1 — Use OEM specification
Preparation
- Park vehicle on a level surface and apply parking brake
- Place wheel chocks at front wheels
- Allow engine and exhaust system to cool completely
- Raise the rear of the vehicle using a jack and support securely on jack stands
- Ensure adequate lighting and access to the underside of the vehicle
Procedure
- 1Access the EVAP vent valveLocate the EVAP vent valve on the driver's side near the fuel tank area. It is mounted to the chassis with a bracket and has electrical and hose connections. You may need to remove a plastic shield or heat shield for better access.
- 2Disconnect electrical connectorPress the release tab on the electrical connector and pull it straight off the EVAP vent valve. Ensure the connector does not fall or get contaminated with dirt.
- 3Disconnect EVAP hosesThe vent valve has two hose connections: one from the canister and one fresh air vent line. Press the release tabs or squeeze the quick-connect fittings to disconnect both hoses from the valve. Note the orientation of each hose for reassembly.
- 4Remove mounting bracket boltRemove the 10mm bolt securing the EVAP vent valve bracket to the chassis. Keep the bolt in a safe location for reinstallation.Torque specBracket Bolts19 Nm (14 lb-ft)
- 5Remove EVAP vent valvePull the vent valve and bracket assembly down from the mounting location. Inspect the bracket for damage or corrosion and replace if necessary.
- 6Install new EVAP vent valvePosition the new EVAP vent valve and bracket assembly into the mounting location on the chassis. Ensure it is properly aligned with the bolt hole and hose routing allows for proper connection.
- 7Install and torque mounting boltInstall the 10mm mounting bracket bolt and tighten to specification using a torque wrench. Ensure the valve is secure and does not move.Torque specBracket Bolts19 Nm (14 lb-ft)
- 8Reconnect EVAP hosesPush both EVAP hoses firmly onto the vent valve ports until you hear or feel them click into place. Verify each connection by gently pulling on the hoses to ensure they are locked.
- 9Reconnect electrical connectorPush the electrical connector onto the EVAP vent valve until it clicks securely. Ensure the locking tab is fully engaged.
Reassembly
- Reinstall any heat shields or plastic covers removed during access
- Lower the vehicle from jack stands
- Remove wheel chocks
Verification
- Start the engine and allow it to idle for 2-3 minutes
- Use a scan tool to check for any EVAP system diagnostic trouble codes (DTCs)
- Perform an EVAP system test using a scan tool if available, or drive the vehicle through a complete drive cycle
- Listen for any unusual hissing sounds from the EVAP system that might indicate a vacuum leak
- Verify the check engine light does not illuminate after completing the repair