Dodge Ram Truck 1500-2500-3500. Manual — part 2090
REMOVAL
3.7L V-6 / 4.7L V-8
The PCV valve (6) is located on the oil filler tube (4).
Two locating tabs are located on the side of the valve
(2). These 2 tabs fit into a cam lock (3) in the oil filler
tube. An o-ring (1) seals the valve to the filler tube.
1. Disconnect PCV line/hose (5) by disconnecting rub-
ber hose at PCV valve fitting.
2. Remove PCV valve at oil filler tube by rotating PCV
valve downward (counter-clockwise) until locating
tabs (2) have been freed at cam lock (3). After tabs
have cleared, pull valve straight out from filler tube.
To prevent damage to PCV valve locating tabs,
valve must be pointed downward for removal.
Do not force valve from oil filler tube.
3. After valve is removed, check condition of valve
o-ring (1).
5.7L V-8
The PCV valve (4) is mounted into the top of the
intake manifold (1). This is located to the right / rear of
the throttle body (2).
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EVAPORATIVE EMISSIONS
DR/DH
1. The PCV valve is sealed to the intake manifold
with 2 O-rings (2).
2. Remove PCV valve by rotating counter-clockwise
90 degrees until locating tabs (3) have been freed.
After tabs have cleared, pull valve straight up from
intake manifold.
3. After valve is removed, check condition of 2 valve
O-rings (2).
INSTALLATION
3.7L V6 / 4.7L V-8
The PCV valve is located on the oil filler tube. Two locating tabs are located on the side of the valve. These 2 tabs
fit into a cam lock in the oil filler tube. An o-ring seals the valve to the filler tube.
1. Return PCV valve back to oil filler tube by placing valve locating tabs into cam lock. Press PCV valve in and
rotate valve upward. A slight click will be felt when tabs have engaged cam lock. Valve should be pointed
towards rear of vehicle.
2. Connect PCV line/hose and rubber hose to PCV valve.
5.7L V-8
1. Clean out intake manifold opening.
2. Check condition of 2 o-rings on PCV valve.
3. Apply engine oil to 2 o-rings.
4. Place PCV valve into intake manifold and rotate 90 degrees clockwise for installation.
LINES - VACUUM
DESCRIPTION
A vacuum schematic for emission related items can be found on the vehicles VECI label. Refer to Vehicle Emission
Control Information (VECI) Label for label location.
DR/DH
EVAPORATIVE EMISSIONS
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CANISTER - VAPOR
DESCRIPTION
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EVAPORATIVE EMISSIONS
DR/DH
Two EVAP canisters are used. Depending on vehicle model and fuel tank size, the canisters may be mounted either
vertically or horizontally. These maintenance free, EVAP canisters (5) are located near the front of the fuel tank.
OPERATION
Two EVAP canisters are used. Depending on vehicle model and fuel tank size, the canisters may be mounted either
vertically or horizontally.
DR/DH
EVAPORATIVE EMISSIONS
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