2006 DODGE RAM SRT-10 Service Repair Manual

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DODGE RAM SRT-10 2006 Service Repair Manual OPERATION
Fuel is returned through the fuel pump module and back into the fuel tank through the fuel filter/fuel pressure reg-
ulator. A separate fuel return line from the engine to the tank is not us

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DODGE RAM SRT-10 2006 Service Repair Manual 8. Connect other end of jumper wire to positive side of battery.
9. Connect one end of a second jumper wire to remaining injector terminal.
CAUTION: Powering an injector for more than a few seconds wi

8. Connect other end of jumper wire to positive side of battery.
9. Connect one end of a second jumper wire to remaining injector terminal.
CAUTION: Powering an injector for more than a few seconds will permanentlydamage the injector.
10. Momentarily touch other end of jumper wire to negative terminal of battery for no more than a few seconds.
11. Place a rag or towel below fuel line quick-connect fitting at fuel rail.
12. Disconnect quick-connect fitting at fuel rail. Refer to Quick-Connect Fittings.
13. Return fuel pump relay to PDC.
14. One or more Diagnostic Trouble Codes (DTC’s) may have been stored in PCMmemory due to fuel pump relay
removal. The DRB
scantoolmustbeusedtoeraseaDTC.
STANDARD PROCEDURE - DRAINING FUEL TANK - EXCEPT DIESEL
WARNING: The fuel system may be under constant fuel pressure even with the engine off. This pressure
must be released before servicing fuel tank.
Two different procedures may be used to drain fuel tank: through the fuel fill fitting on tank, or using a diagnostic
scan tool to activate the fuel pump relay. Due to a one-way check valve installed into the fuel fill opening fitting at
the tank, the tank cannot be drained conventionally at the fill cap.
The quickest draining procedure involves removing the rubber fuel fill hose at the fuel tank.
As an alternative procedure, the electric fuel pump may be activated allowingtanktobedrainedatfuelrailcon-
nection. Refer to diagnostic scan tool for fuel pump activation procedures. Before disconnecting fuel line at fuel rail,
release fuel pressure. Refer to the Fuel System Pressure Release Procedure for procedures. Attach end of special
test hose tool number 6631 or 6539 at fuel rail disconnection (tool number 6631isusedon5/16”fuellineswhile
tool number 6539 is used on 3/8” fuel lines). Position opposite end of this hose tool to an approved gasoline drain-
ing station. Activate fuel pump and drain tank until empty.
If electric fuel pump is not operating, fuel must be drained through fuel fill fitting at tank. Refer to following proce-
dures.
1. Release fuel system pressure.
2. Raise vehicle.
3. Thoroughly clean area around fuel fill fitting and rubber fuel fill hoseat tank.
4. If vehicle is equipped with 4 doors and a 6 foot (short) box, remove left-rear tire/wheel.
5. Loosen clamp and disconnect rubber fuel fill hose at tank fitting. Usingan approved gas holding tank, drain fuel
tank through this fitting.
SPECIFICATIONS
FUEL SYSTEM PRESSURE
58 psi +/- 2 psi
TORQUE - EXCEPT DIESEL
DESCRIPTION N-m Ft. Lbs. In. Lbs.
Accelerator Pedal Bracket
Mounting12 - 105
Accelerator Pedal Position
Sensor Bracket-to-Battery
Tray Bolts3-30
Crankshaft Position
Sensor - 3.7L28 21 -
Crankshaft Position
Sensor - 4.7L28 21 -

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DODGE RAM SRT-10 2006 Service Repair Manual DESCRIPTION N-m Ft. Lbs. In. Lbs.
Crankshaft Position
Sensor - 5.7L12 - 105 (+/-20)
Camshaft Position Sensor
-3.7L12 - 106
Camshaft Position Sensor
-4.7L12 - 106
Camshaft Position Sensor
-5.7L12 9 105

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DODGE RAM SRT-10 2006 Service Repair Manual DESCRIPTION N-m Ft. Lbs. In. Lbs.
TPS Mounting Screws -
3.7L7-60
TPS Mounting Screws -
4.7L7-60
Throttle Body Mounting
Bolts - 3.7L11 - 1 0 0
Throttle Body Mounting
Bolts - 4.7L12 - 105
Throttle Body

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DODGE RAM SRT-10 2006 Service Repair Manual SPECIAL TOOLS
FUEL SYSTEM
TEST KIT, FUEL PRESSURE #5069
ADAPTERS, FUEL PRESSURE TEST - #6539
AND/OR #6631
LOCKRING REMOVER/INSTALLER #9340
SPANNER WRENCH - #6856
FITTING, AIR METERING - #6714
O2S (OXY

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DODGE RAM SRT-10 2006 Service Repair Manual FUEL FILTER/PRESSURE REGULATOR
DESCRIPTION
A combination fuel filter and fuel pressure regulator (3)
is used on all engines. It is located on the top of the
fuel pump module. A separate frame mounted

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DODGE RAM SRT-10 2006 Service Repair Manual SENSOR - FUEL LEVEL SENDING UNIT
DESCRIPTION
The fuel gauge sending unit (fuel level sensor) is attached to the side of the fuel pump module. The sending unit
consists of a float, an arm, and a variab

SENSOR - FUEL LEVEL SENDING UNIT
DESCRIPTION
The fuel gauge sending unit (fuel level sensor) is attached to the side of the fuel pump module. The sending unit
consists of a float, an arm, and a variable resistor track (card).
OPERATION
The fuel pump module has 4 different circuits (wires). Two of these circuits are used for the fuel gauge sending unit
for fuel gauge operation, and for certain OBD II emission requirements. The other 2 wires are used for electric fuel
pump operation.
For Fuel Gauge Operation:A constant current source is supplied to the resistor track on the fuel gauge sending
unit. This is fed directly from the Powertrain Control Module (PCM).NOTE: For diagnostic purposes, this 12V
power source can only be verified with the circuit opened (fuel pump moduleelectrical connector
unplugged). With the connectors plugged, output voltages will vary from about 0.6 volts at FULL, to about
8.6 volts at EMPTY (about 8.6 volts at EMPTY for Jeep models, and about 7.0 volts at EMPTY for Dodge
Truck models).The resistor track is used to vary the voltage (resistance) depending on fuel tank float level. As fuel
level increases, the float and arm move up, which decreases voltage. As fuel level decreases, the float and arm
move down, which increases voltage. The varied voltage signal is returnedback to the PCM through the sensor
return circuit.
Both of the electrical circuits between the fuel gauge sending unit and thePCM are hard-wired (not multi-plexed).
After the voltage signal is sent from the resistor track, and back to the PCM, the PCM will interpret the resistance
(voltage) data and send a message across the multi-plex bus circuits to theinstrument panel cluster. Here it is
translated into the appropriate fuel gauge level reading. Refer to Instrument Panel for additional information.
For OBD II Emission Monitor Requirements:The PCM will monitor the voltage output sent from the resistor track
on the sending unit to indicate fuel level. The purpose of this feature is toprevent the OBD II system from recording/
setting false misfire and fuel systemmonitor diagnostic trouble codes. The feature is activated if the fuel level in the
tank is less than approximately 15 percent of its rated capacity. If equipped with a Leak Detection Pump (EVAP
system monitor), this feature will also be activated if the fuel level in the tank is more than approximately 85 percent
of its rated capacity.
REMOVAL
The fuel level sending unit (fuel level sensor) and float
assembly (7) is located on the side of the fuel pump
module.
1. Remove fuel pump module from fuel tank. Refer to
Fuel Pump Module Removal/Installation.
2. Disconnect 4–wire electrical connector (3) from fuel
pump module. Separate necessary sending unit
wiring from connector using terminal pick / removal
tool. Refer to Special Tools in 8W Wiring for tool
part numbers.

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DODGE RAM SRT-10 2006 Service Repair Manual 3. To remove sending unit from pump module, lift on
plastic locking tab whilesliding sending unit tracks.
INSTALLATION
1. Connect necessary wiring into electrical connectors. Connect 4–wire electric

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