Dodge Ram Truck 1500-2500-3500. Manual — part 2087
The device itself has 3 wires: Switch sense, solenoid driver and ground. It also includes a resistor to protect the
switch from a short to battery or a short to ground. The NGC utilizes a high-side driver to energize and duty-cycle
the solenoid.
REMOVAL
If Equipped With Horizontally Mounted EVAP Canisters
25 - 20
EVAPORATIVE EMISSIONS
DR/DH
The NVLD pump (4) is attached to the EVAP canister.
1. Raise and support vehicle.
2. Certain models, equipped with a certain fuel tank size, may require the removal of the fuel tank skid plate and/or
the transfer case skid plate to gain access to the leak pump. Remove necessary skid plates.
3. Disconnect electrical connector at NVLD assembly.
4. Carefully disconnect vapor lines from NVLD assembly.
5. Lift tab on NVLD assembly and twist assembly
counterclockwise.
6. Pull NVLD pump out to remove from EVAP
canister.
DR/DH
EVAPORATIVE EMISSIONS
25 - 21
7. Remove o-ring from EVAP canister.
If Equipped With Vertically Mounted EVAP Canisters
The NVLD pump (4) is located at the front of fuel tank.
1. Raise and support vehicle.
2. Certain models, equipped with a certain fuel tank size, may require the removal of the fuel tank skid plate and/or
the transfer case skid plate to gain access to the leak pump. Remove necessary skid plates.
3. Disconnect electrical connector at pump.
4. Carefully remove vapor/vacuum hoses at pump.
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EVAPORATIVE EMISSIONS
DR/DH
5. The NVLD pump snaps into the EVAP canister.
Press on release tab (2) while rotating pump from
canister.
INSTALLATION
If Equipped With Horizontally Mounted EVAP Canisters
DR/DH
EVAPORATIVE EMISSIONS
25 - 23
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