RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Leak Detection Pump: Service and Repair
Fig. 8 LDP And LDP Filter Location
REMOVAL
The Leak Detection Pump (LDP) and LDP filter are attached to the front of the EVAP canister mounting bracket. This is located near the front of the
fuel tank. The LDP and LDP filter are replaced (serviced) as one unit.
1. Raise and support vehicle.
2. Carefully remove hose at LDP filter.
3. Remove LDP filter mounting bolt and remove from vehicle.
4. Carefully remove vapor/vacuum lines at LDP.
5. Disconnect electrical connector at LDP.
6. Remove LDP mounting bolt and remove LDP from vehicle.
INSTALLATION
The LDP and LDP filter are attached to the front of the EVAP canister mounting bracket. The LDP and LDP filter are replaced (serviced) as one unit.
1. Install LDP to mounting bracket. Refer to Torque Specifications.
2. Install LDP filter to mounting bracket. Refer to Torque Specifications.
3. Carefully install vapor/vacuum lines to LDP, and install hose to LDP filter. The vapor/vacuum lines and hoses must be firmly connected. Check
the vapor/vacuum lines at the LDP, LDP filter and EVAP canister purge solenoid for damage or leaks. If a leak is present, a Diagnostic Trouble
Code (DTC) may be set.
4. Connect electrical connector to LDP.
