2001 Ford F-150 low oil pressure during cold weather starts

5.4L - ENGINE OIL SENDING UNIT INTERFERENCE AT ENGINE OIL DRIP SHIELD
TECHNICAL SERVICE BULLETIN
Reference Number(s): 01-4-2, Date of Issue: March 5, 2001
FORD:1998 F-250 LD; 1998-2001 Expedition, F-150; 1999-2001 Super Duty F Series
LINCOLN:1998-2001 Navigator

Related Ref Number(s): 01-4-2
ARTICLE BEGINNING
DESCRIPTION
ENGINE - 5.4L - OIL SENDING UNIT INTERFERENCE FIT AT ENGINE OIL DRIP SHIELD - 4X4 VEHICLES EQUIPPED WITH 5.4L ENGINE ONLY
ISSUE
Some vehicles may exhibit the engine oil sending unit contacting the oil drip shield attached to the front axle. This may be caused by tight tolerances between the engine oil sending unit and the engine oil drip shield. This may cause a malfunction of the engine oil sending unit.
ACTION
If the engine oil sending unit needs to be replaced due to contact with the drip shield, modify the engine oil drip shield as shown. Refer to the following Service Procedure for details.
SERVICE PROCEDURE
NOTE:IF THE ENGINE OIL SENDING UNIT NEEDS TO BE REPLACED IN SERVICE, MODIFY THE ENGINE OIL DRIP SHIELD BEFORE INSTALLING THE NEW ENGINE OIL SENDING UNIT.

Remove oil drip shield from front axle. This shield is attached to the front axle by three (3) bolts.
Modify shield as shown (Fig. 1 ). Remove excess material from shield. Remove any sharp edges or burrs upon finishing cutting operation.
Reinstall engine oil drip shield.
WARRANTY INFORMATION
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage.
WARRANTY INFORMATION
OperationDescriptionTime
010402AModify Engine Oil Drip Shield0.1 Hr.

DEALER CODING
Basic Part No.Condition Code
6N63407