Leak Detection Pump: Service and Repair

REMOVAL

Fig. 16 Location, LDP/EVAP Canister:

Fig. 17 Two-Piece Support Bracket:

The Leak Detection Pump (LDP) is located under the left quarter panel behind the left/rear wheel. It is attached to a two-piece support bracket. The LDP and LDP filter are replaced (serviced) as one unit.

Fig. 18 Stone Shield:

1. Remove stone shield behind left/rear wheel. Drill out plastic rivets for removal.

Fig. 19 LDP Mounting Bolts:

2. Remove 3 LDP mounting bolts.
3. Remove support bracket brace bolt.
4. Loosen, but do not remove 2 support bracket nuts at frame rail.

Fig. 20 LDP Removal/Installation:

5. To separate and lower front section of two-piece support bracket, remove 3 attaching bolts on bottom of support bracket. While lowering support bracket, disconnect LDP wiring clip.
6. Disconnect electrical connector at LDP.
7. Carefully remove vapor/vacuum lines at LDP.
8. Remove LDP.

INSTALLATION
The LDP is located in the left quarter panel behind the left/rear wheel. It is attached to a two-piece support bracket. The LDP and LDP filter are replaced (serviced) as one unit.
1. Position LDP and carefully install vapor/vacuum lines to LDP and 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.
2. Connect electrical connector to LDP.
3. While raising front section of support bracket, connect LDP wiring clip.
4. Install 3 LDP mounting bolts. Refer to Torque Specifications.
5. Join front and rear sections of two-piece support bracket by installing 3 bolts on bottom of support bracket. Do not tighten bolts at this time.
6. Install support bracket brace bolt. Do not tighten bolt at this time.
7. Tighten 2 support bracket nuts at frame rail. Refer to Torque Specifications.
8. Tighten 3 support bracket bolts and brace bolt. Refer to Torque Specifications.
9. Position stone shield behind left/rear wheel. Install new plastic rivets.