DORMAN 911-239 Vapor Canister Vent Solenoid Instruction Manual

June 1, 2024
DORMAN

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INSTALL/REMOVAL INSTRUCTIONS: EVAP CANISTER VENT VALVE

911-239 Vapor Canister Vent Solenoid

ATTENTION: Refer to the appropriate shop manual for your vehicle to obtain specifi c service procedures for this part. If you do not have a service manual or lack the skill to install this part, it is recommended that you seek the services of a qualified technician. Pay special attention to all cautions and warnings included in the shop manual. Read and follow all instructions carefully.
REMOVAL/INSTALL OF EVAP CANISTER VENT VALVE
2008–1999 Chevrolet Silverado, 2008–1999 GMC Sierra

NOTE:
This kit is intended to relocate the vent valve. The bracket included is different from the original and results in a new mounting location for the vent valve, which will also be a different style from what may have originally been included with the vehicle. The secondary air fi lter and hosing is also not originally included with the vehicle.

PLEASE WEAR SAFETY GLASSES!

Removal Instructions

STEP 1: Safely raise the vehicle off the ground and suitably support the vehicle. NOTE: CONSULT THE VEHICLE’S OWNER’S MANUAL OR SHOP MANUAL TO DETERMINE THE PROPER WAY OF RAISING AND LOWERING YOUR VEHICLE.

DORMAN 911-239 Vapor Canister Vent Solenoid

STEP 2: Disengage the two vent valve pipe clips securing the pipe to the underbody. Remove the clips from the underbody and discard.
STEP 3: Disconnect the vent valve pipe at the EVAP canister.
DORMAN 911-239 Vapor Canister Vent Solenoid - Fig 1STEP 4: Remove and retain the EVAP canister vent valve bracket mounting bolt.

STEP 5: Disconnect the EVAP canister vent valve electrical connector, if equipped.

STEP 6: Remove the complete EVAP canister vent valve assembly with bracket attached and discard.

Installation Instructions

STEP 1: Position and secure the new valve pipe to the frame bracket on the outside of the frame using the existing hole and mounting bolt. Its clips will attach in the original locations and the connecter will reattach to the charcoal canister vent port. It will then
route beside and over the top of the gas tank. Tighten the bracket mounting bolt to 12 N·m (106 lb in).

DORMAN 911-239 Vapor Canister Vent Solenoid - Fig 4

STEP 2: Connect the vent valve pipe to the EVAP canister.

DORMAN 911-239 Vapor Canister Vent Solenoid - Fig 5

STEP 3: Install the two vent valve pipe clips into the existing underbody holes.
STEP 4: Connect the EVAP canister vent valve electrical connector, if equipped. NOTE: The included pigtail adapter may have to be used, depending on the style of connector that came with the truck originally.

STEP 5: Attach bulk 5/8” hose to the vent valve port and secure using a clamp. Run a length as needed along the frame rail routing to the secondary air fi lter.

DORMAN 911-239 Vapor Canister Vent Solenoid - Fig 7

STEP 6: Connect the secondary fi lter canister to the hose and cabletie to the top of the frame rail near the back of the truck’s cab.

STEP 7: Cut the hose to determined length and install the supplied fi lter box. Secure using a clamp.
STEP 8: Safely lower the vehicle. NOTE: CONSULT THE VEHICLE’S OWNER’S MANUAL OR SHOP MANUAL TO DETERMINE THE PROPER WAY OF RAISING AND LOWERING YOUR VEHICLE.

We appreciate your opinions regarding this product!
Please call our Technical Assistant with any challenges or suggestions regarding the installation or operation of this product.
1-800-523-2492

Disclaimer:
Even though every attempt is made to ensure this information is complete and accurate, it is impossible to account for all possible circumstances or situations. Please consult with a qualifi ed auto technician before attempting to perform any work you are not qualifi ed to do. Automobiles can be hazardous to work on; be sure to take all necessary safety precautions. Failure to do so may result in property damage or personal injury. Certain motor vehicle standards and performance requirements may apply to your motor vehicle (such as Federal Motor Vehicle Safety Standards by the National Highway Traffi c Safety Administration). Be sure that your work is performed in accordance with such standards and that you do not disable any motor vehicle safety feature.

©2015 Dorman Products, Inc.
No reproductions in whole or in part without prior written approval.

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