RAM 3500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2010)
WARNING: To reduce the risk of fire and serious possible serious or fatal injury, place the Reservoir Assembly 534960 (3) on the floor and out
of the way so that it is not a trip hazard.
5. Perform the following to purge air from the system:
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With the scan tool, actuate the In-Tank Fuel Lift Pump Module.
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Open the Flow Test Valve and allow the fuel to flow into the Reservoir for 10 seconds, then close the Flow Test Valve.
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Turn the ignition off.
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Disconnect, empty, and then reconnect the Reservoir Assembly.
6. Perform the following three times to find the average flow rate:
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With the scan tool, actuate the In-Tank Fuel Lift Pump Module.
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Open the Flow Test Valve (1) for 10 seconds, then close the Valve.
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Turn the ignition off.
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Measure and record the amount of fuel in the Reservoir Assembly.
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Disconnect, empty, and then reconnect the Reservoir Assembly.
7. Add the three recorded measurements and then divide the total by three to calculate the average flow rate. The flow rate is 500 ml in 10 seconds.
Does the average flow rate meet or exceed the specification?
Yes - if vehicle starts and runs:
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Go To 10
Yes - if vehicle is a no start:
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Go To 15
No
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Leave the special tools installed. Replace the Fuel Filter/Water Separator. During Fuel Filter replacement, be sure to check and clean the
secondary filter screen in the filter head outlet.
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Go To 7
7. RECHECK IN-TANK FUEL LIFT PUMP FLOW
