Diesel Engine - Vacuum Pump Inop/Runs Continuously
TSB 05-17-409/05/05
VACUUM PUMP INOPERATIVE OR RUNS
CONTINUOUSLY - CLIMATE CONTROL DEFAULTS TO
DEFROST MODE
FORD:
1999-2006 F-Super Duty
2000-2005 Excursion
1999-2006 F-650, F-750
ISSUE
Some 1999-2006 F-Super Duty and 2000-2005 Excursion vehicles built before 6/27/2005 and 1999-2006 F650/750 vehicles, all vehicles equipped with the 7.3L or 6.0L diesel engine, may exhibit a vacuum pump that is inoperative or running continuously. If the pump is inoperative, the climate control system will default to defrost mode and the 4x4 system may also be affected.
ACTION
Install a new vacuum pump. Before replacing the pump, check for and repair any pinched or leaking vacuum line(s). Refer to Workshop Manual Section 412-00 for additional information.
Parts Block
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
OPERATION DESCRIPTION TIME
051704A 1999-2006 F-Super Duty: 0.3 Hr.
Replace Vacuum Pump
(Includes Time To Check
For Leaks) (Do Not Use
With 2451A)
051704A 2000-2005 Excursion: 0.3 Hr.
Replace Vacuum Pump
(Includes Time To Check
For Leaks) (Do Not Use
With 2451A)
051704A 1999-2006 F650/750: 0.5 Hr.
Replace Vacuum Pump
(Includes Time To Check
For Leaks) (Do Not Use
With 2451A)
DEALER CODING
CONDITION
BASIC PART NO. CODE
2A451 42
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