Evaporative Emission Control Canister: Service and Repair

2005 Chevrolet Tahoe 2WD V8-4.8L VIN VSECTION Service and Repair


EVAPORATIVE EMISSION (EVAP) CANISTER REPLACEMENT

REMOVAL PROCEDURE

IMPORTANT: Clean all evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting, in order to avoid possible EVAP system contamination.




1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the EVAP canister vent solenoid (CVS) electrical connector (2).
3. Remove the harness clip (1) from the CVS line.




4. Disconnect the EVAP quick connecting fittings (1, 2) from the canister.




5. Remove the EVAP canister bracket bolts.
6. Remove the EVAP canister.
7. If necessary, remove the EVAP canister to bracket bolt.
8. If necessary, remove the EVAP canister from the bracket.
9. If necessary, remove the CVS from the canister.
1. Push in the CVS retainer.
2. Slide the CVS from the bracket.
3. Rotate the CVS to the vertical position.
4. Disconnect the CVS quick connect fitting.

INSTALLATION PROCEDURE




1. If necessary, install the CVS to the canister.
1. Connect the CVS quick connect fitting.
2. Rotate the CVS to the horizontal position.
3. Slide the CVS onto the bracket.
4. Pull out the CVS retainer in order for the CVS to engage.
2. If necessary, install the EVAP canister to the bracket.

NOTE: Refer to Fastener Notice in Service Precautions.

3. If necessary, install the EVAP canister to bracket bolt.

Tighten the bolt to 25 N.m (18 lb ft).

4. Install the EVAP canister.
5. Install the EVAP canister bracket bolts.

Tighten the bolts to 25 N.m (18 lb ft).




6. Connect the EVAP quick connecting fittings (1, 2) to the canister.




7. Install the harness clip (1) to the CVS line.
8. Connect the EVAP CVS electrical connector (2).
9. Lower the vehicle.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.