Q: How to service the evaporative emission canister purge valve on Mercury Mariner?
A: A proper servicing of the evaporative emission canister purge valve needs you to disconnect the battery ground cable first to eliminate the possibility of electrical sparks. These sparks can lead to fuel vapor ignition. The work space should stay without smoking devices or open flames while electrical devices used by personnel must be avoided to prevent flammable mixture ignition. The first step involves disconnecting the EVAP canister purge valve electrical connector followed by removing its two quick connect couplings from the fuel vapor tube. Pushing the tab allows you to remove the EVAP canister purge valve from its bracket. To install the system follow all reversal procedures from removal. A leak test should be performed to verify proper system operation after the installation process.
Q: How to service the evaporative emission canister purge valve on Mercury Grand Marquis?
A: Service of the evaporative emission canister purge valve begins with disconnecting the connector along with the evaporative emission return tube and both the test port and vacuum hose. Uninstall the two nuts which maintain connection to the evaporative emission canister purge valve. To install the components follow the steps of removal in reverse order. A leak test should follow system installation to verify correct functioning along with completion of the evaporative emission repair verification drive cycle.
Q: How to Service and Repair the Canister Purge Valve on Mercury Cougar?
A: Start the Canister Purge Valve service and repair process by taking off the air cleaner outlet tube then removing the intake air resonator. The first step is disconnecting the electrical connector from the vapor management valve then unfastening its securing nuts. Disconnection of vacuum hose from vapor management valve leads to vapor tube removal to achieve full valve removal. Apply the opposite sequence for installing the parts after removal.