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stin1974
stin1974, Transmission Tech
Category: Chevy
Satisfied Customers: 765
Experience:  Chevy Transmission Tech
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2008 Chevy: Trouble code P0496 High purge flow

Resolved Question:

Trouble code P0496 High purge flow on a 2008 Chevy Silverado - how do I correct it
Submitted: 6 years ago.
Category: Chevy
Expert:  stin1974 replied 6 years ago.
Pretty much will have to have this done with a scanner.
Customer: replied 6 years ago.
<p>Was hoping you could give me general location of purge valve - do you have a diagram?</p>
Expert:  stin1974 replied 6 years ago.
Evaporative Emission Canister Purge Solenoid Valve Replacement

Removal Procedure


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  1. Remove the engine sight shield.
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  2. Push the EVAP pipe quick connect fitting retainer inward.
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  3. Disconnect the EVAP pipe (2) from the EVAP purge solenoid (1).
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  4. Disconnect the EVAP purge solenoid electrical connector.
  5. Remove the EVAP purge solenoid mount bolt (2).
  6. Remove the EVAP purge solenoid (3) and the insulator (1) from the engine.

Installation Procedure


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  1. Install the insulator (1) on the EVAP purge solenoid (3).
  2. Install the EVAP purge solenoid (3) to the engine.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the EVAP purge solenoid mount bolt (2).

    Tighten
    Tighten the EVAP purge solenoid mount bolt to 10.5 N·m (93 lb in).


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  4. Connect the EVAP pipe (2) to the EVAP purge solenoid (1).
  5. Connect the EVAP purge solenoid electrical connector.
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