F 350 4WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
Suspension Spring ( Coil / Leaf ): Customer Interest
Suspension - Vehicle Leans/Sags To One Side
TSB O4-23-6
11/29/04
VEHICLE LEAN/SAG WHEN OBSERVED FROM REAR
OF VEHICLE
FORD:
1999-2005 F-250, F-350
ISSUE
Some 1999-2005 F-Super Duty 250/350 vehicles may exhibit a vehicle lean or sag, to the right or left, when looking at the vehicle from the rear.
ACTION
It may be necessary to install Ford approved shims to correct vehicle lean condition. Refer to the following Service Procedure.
SERVICE PROCEDURE
NOTE
WHEN VERIFYING THE VEHICLE LEAN ALL EQUIPMENT MUST BE REMOVED FROM THE VEHICLE SUCH AS TOOL BOXES,
CAPS, BED FUEL TANKS, ETC. THE VEHICLE MUST BE PARKED ON A LEVEL SURFACE.
NOTE
THIS REPAIR MAY ONLY BE PERFORMED ON THE REAR OF THE VEHICLE. DO NOT ATTEMPT THIS PROCEDURE ON THE FRONT
OF THE VEHICLE.
1.
Check for fractured or broken springs, both front and rear.
a.
If a spring is fractured, replace the spring and re-evaluate the vehicle. If the condition is corrected return the vehicle to the customer, if not
proceed to Step 2.
NOTE
IF SPRING REPLACEMENT IS NECESSARY, REFER TO PART CATALOG FOR PROPER APPLICATION AND PART NUMBER
INFORMATION.
b.
If springs are found to be OK, proceed to Step 2.
2.
Check tire pressures and adjust if necessary.
3.
Measure the vehicle ride height from wheel lip to top of wheel well opening, at all four corners, Figure 1.