DODGE RAM SRT-10 2006 Service Repair Manual

OPERATION
Two EVAP canisters are used. Depending on vehicle model and fuel tank size,the canisters may be mounted either
vertically or horizontally.
The EVAP canisters are filled with granules of an activated carbon mixture. Fuel vapors entering the EVAP canisters
are absorbed by the charcoal granules.
Fuel tank pressure vents into the EVAP canisters. Fuel vapors are temporarily held in the canisters until they can be
drawn into the intake manifold. The duty cycle EVAP canister purge solenoid allows the EVAP canisters to be
purged at predetermined times and at certain engine operating conditions.
REMOVAL

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.
Ty p e 1 C a n i s t e r s
Use the following procedure for vertically mounted canisters.

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 EVAP canister(s). Removenecessary skid plates.
3. Remove fuel tubes/lines at each EVAP canister. Note location of tubes/lines before removal for easier installation.
4. Remove lower support bracket (4).
5. Remove mounting nuts (1) at top of each canister.
6. Remove each canister from upper support bracket.
Ty p e 2 C a n i s t e r s
Use the following procedure for horizontally mounted canisters.
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 EVAP canister(s). Removenecessary skid plates.
1 - CANISTER MOUNTING NUTS
2 - CONNECTING HOSE
3 - UPPER SUPPORT BRACKET
4 - LOWER SUPPORT BRACKET
5 - OUTER CANISTER
6 - INNER CANISTER

3. Remove fuel tubes/lines (1) at each EVAP canister.
Note location of tubes/lines before removal for eas-
ier installation. Remove bolts (6).
4. Remove nut (1) and remove NVLD filter (2).

5. Remove nuts (4) and remove NVLD filter support
bracket (2). Remove upper canister.
6. Remove nuts (5) and remove lower canister (6).
Slip lower canister pins (7) from rubber grommets.

INSTALLATION

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.
Ty p e 1 C a n i s t e r s
Use the following procedure for vertically mounted canisters.

1. Place each canister (5) and (6) into upper support bracket and install nuts. Tighten nuts to 95 in.lbs. (11 Nꞏm).
2. Install lower support bracket (4). Tighten nuts to 125 in.lbs. (14 Nꞏm).
3. Carefully install vapor/vacuum lines.The vapor/vacuum lines and hoses must be firmly connected. Also
check the vapor/vacuum lines at the NVLD Pump, LDP, LDP filter and EVAP canister purge solenoid for
damage or leaks. If a leak is present, a Diagnostic Trouble Code (DTC) may beset.
4. If necessary, install skid plate(s).
Ty p e 2 C a n i s t e r s
Use the following procedure for horizontally mounted canisters.
1 - CANISTER MOUNTING NUTS
2 - CONNECTING HOSE
3 - UPPER SUPPORT BRACKET
4 - LOWER SUPPORT BRACKET
5 - OUTER CANISTER
6 - INNER CANISTER

1. Slip lower canister pins (7) into rubber grommets.
Install lower canister (6) and nuts (5).
2. Install upper canister (1). Install NVLD filter support
bracket (2) and install nuts (4).