Dodge Ram Truck 1500-2500-3500. Manual — part 2088

The NVLD pump (4) is attached to the EVAP canister.

1. Install new o-ring to EVAP canister.

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2. Align NVLD assembly into EVAP canister.

3. Rotate NVLD assembly until alignment tab drops

into slot.

4. Connect electrical connector to NVLD assembly.

5. Carefully install vapor/vacuum lines to NVLD pump.

The vapor/vacuum lines and hoses must be
firmly

connected.

Check

the

vapor/vacuum

lines at the NVLD pump, filter and EVAP canis-
ter purge solenoid for damage or leaks. If a leak
is present, a Diagnostic Trouble Code (DTC)
may be set.

6. If necessary, install skid plate(s).

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If Equipped With Vertically Mounted EVAP Canisters

The NVLD pump (4) is located at the front of fuel tank.

1. Snap NVLD pump (1) to EVAP canister until tab (2)

engages.

2. Connect electrical connector to NVLD pump.

3. Carefully install vapor/vacuum lines to NVLD pump.

The vapor/vacuum lines and hoses must be
firmly

connected.

Check

the

vapor/vacuum

lines at the NVLD pump, filter and EVAP canis-
ter purge solenoid for damage or leaks. If a leak
is present, a Diagnostic Trouble Code (DTC)
may be set.

4. If equipped, install skid plate(s).

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VALVE - PCV

DESCRIPTION

3.7L V-6 / 4.7L V-8

The 3.7L V-6 and 4.7L V-8 engines are equipped with
a closed crankcase ventilation system and a Positive
Crankcase Ventilation (PCV) valve (6).

This system consists of:

•

a PCV valve mounted to the oil filler housing.
The PCV valve is sealed to the oil filler housing
with an o-ring.

•

the air cleaner housing

•

two interconnected breathers (2) threaded into
the rear of each cylinder head.

•

tubes

and

hoses

to

connect

the

system

components.

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