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Home >> Jeep >> 2006 >> Commander 2WD V8-5.7L VIN 2 >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Evaporative Emissions System >> Leak Detection Pump >> Service and Repair
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Leak Detection Pump: Service and Repair

REMOVAL




The NVLD pump (2) is attached to the EVAP canister (3). This assembly is located in the left-rear quarter-panel behind the left-rear tire.
1. Raise and support vehicle.
2. Remove left-rear tire.
3. To access EVAP canister or NVLD pump, remove plastic splash shield at rear of left-rear tire.
4. Disconnect electrical connector (4) at pump.
5. Carefully remove vapor/vacuum hoses at pump.




6. Pry outward on tab (3) and rotate pump clockwise about 70 degrees for removal.




7. Remove NVLD pump O-ring (2) from EVAP canister (1).

INSTALLATION
1. Install new NVLD pump O-ring (2) to EVAP canister (1).
2. Position NVLD pump (4) into EVAP canister (1).
3. Rotate pump (4) until tab (3) aligns with notch in EVAP canister (1).
4. Carefully install vapor/vacuum lines (1) and (6) to NVLD pump and EVAP canister. The vapor/vacuum lines and hoses must be firmly connected. Check the vapor/vacuum lines at the NVLD pump, filter and EVAP canister purge solenoid for damage or leaks. If a leak is present, a Diagnostic Trouble Code (DTC) may be set.
5. Connect electrical connector (4) to pump.
6. Install plastic splash shield at rear of left-rear tire.
7. Install left-rear tire.
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