I have an 03' 6.0L and it seems that the truck sags to one side, with the side being the drivers side. I am planning on taking it in to the dealer this week any suggestions as to what I should tell them or perhaps look at prior to taking the truck in?

 

Park truck on a level flat surface and take frame measurements both sides and front and rear to be sure.

 

How much is it leaning? I took my 2005 in for the same thing, it was off about 1/2 inch in the front and back compared to the passenger side. The dealer said that ford says that it is within specs and would not fix unless it was greater that 3/4 of an inch. Since then I had a lift done and replaced all the springs. When they took my rear leaf springs out, they did not even have a round arch, it was more like a shape of a "W" where it bolted to the axle. 4 wheel parts did my lift and they said that most of the ford leaf springs are like that.

 

Also make sure the tire pressures are the same when you do the frame measurements.

 

Had the same issue... here's what the dealer used for me and installed the 1/2" shims on the drivers rear side.



<TABLE cellSpacing=0 cellPadding=3 width="96%" border=3><TBODY><TR><TD class=VERTCENT align=middle width="25%" bgColor=#ffffff>TSB




04-23-6




</TD><TD class=VERTCENT align=left width="65%" bgColor=#ffffff>

• VEHICLE LEAN/SAG WHEN OBSERVED FROM REAR OF VEHICLE

</TD></TR></TBODY></TABLE>
<TABLE border=0><TBODY><TR><TD width=230>FORD:








</TD><TD>1999-2005 F-250, F-350 </TD></TR></TBODY></TABLE>


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





<TABLE border=0><TBODY><TR><TD width=80>NOTE: </TD><TD>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. </TD></TR></TBODY></TABLE>



<TABLE border=0><TBODY><TR><TD width=80>NOTE: </TD><TD>THIS REPAIR MAY ONLY BE PERFORMED ON THE REAR OF THE VEHICLE. DO NOT ATTEMPT THIS PROCEDURE ON THE FRONT OF THE VEHICLE. </TD></TR></TBODY></TABLE>

1. Check for fractured or broken springs, both front and rear.
   1. 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.
      
      <TABLE border=0><TBODY><TR><TD width=80>NOTE: </TD><TD>IF SPRING REPLACEMENT IS NECESSARY, REFER TO PART CATALOG FOR PROPER APPLICATION AND PART NUMBER INFORMATION. </TD></TR></TBODY></TABLE>
   2. 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.
   
   
   
   
   
   Figure 1 - Article 04-23-6
4. Calculate the difference between left to right (Worksheet 1).
   
   
   
   
   
   <TABLE cellSpacing=0 cellPadding=3 border=1><TBODY><TR><TH vAlign=bottom align=middle colSpan=6>Worksheet 1 (Wheel Lip To Wheel Well Opening) </TH></TR><TR><TH vAlign=bottom align=middle>LF </TH><TH vAlign=bottom align=middle>RF </TH><TH vAlign=bottom align=middle>Difference Left To Right </TH><TH vAlign=bottom align=middle>LR </TH><TH vAlign=bottom align=middle>RR </TH><TH vAlign=bottom align=middle>Difference Left To Right </TH></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR></TBODY></TABLE>
5. Measure chassis ride height per Workshop Manual Section 204-00 (Description And Operation; Ride Height) at all four corners and calculate the difference between left to right (Worksheet 2).
   
   
   
   
   
   <TABLE cellSpacing=0 cellPadding=3 border=1><TBODY><TR><TH vAlign=bottom align=middle colSpan=6>Worksheet 2 (Chassis Ride Height Per Workshop Manual Procedure) </TH></TR><TR><TH vAlign=bottom align=middle>LF </TH><TH vAlign=bottom align=middle>RF </TH><TH vAlign=bottom align=middle>Difference Left To Right </TH><TH vAlign=bottom align=middle>LR </TH><TH vAlign=bottom align=middle>RR </TH><TH vAlign=bottom align=middle>Difference Left To Right </TH></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR></TBODY></TABLE>
6. Refer to the following chart for repair action to take.
   
   
   
   
   
   <TABLE cellSpacing=0 cellPadding=3 border=1><TBODY><TR><TH vAlign=bottom align=middle colSpan=3>Repair Action Chart </TH></TR><TR><TH vAlign=bottom align=middle>Wheel Lip To Wheel Well Difference Left To Right </TH><TH vAlign=bottom align=middle>Chassis Ride Height Difference Left To Right </TH><TH vAlign=bottom align=middle>Action </TH></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>0 to 3/4" (19 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>N/A </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>No action to be taken </TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Greater than 3/4" (19 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Less than 3/4" (19 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>No chassis correction authorized, investigate frame and body systems </TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Greater than 3/4" (19 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>3/4" to 1" (19 to 25 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Install shim 3C4Z-5A300-AA on low side of vehicle </TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Greater than 3/4" (19 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Greater than 1" to 1 3/4" (25 to 44 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Install shim 5C3Z-5742-AA on low side of vehicle </TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left></TD></TR><TR><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Greater than 3/4" (19 mm) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>2" and Greater (51 mm and Greater) </TD><TD style="BORDER-BOTTOM: medium none" vAlign=top align=left>Replace spring </TD></TR></TBODY></TABLE>
7. If shim installation is needed, install the shim as shown in Figures 2 and 3.
   
   
   
   
   
   Figure 2 - Article 04-23-6
   
   
   
   
   Figure 3 - Article 04-23-6

<TABLE cellSpacing=0 cellPadding=3 border=1><TBODY><TR><TH align=middle>PART NUMBER </TH><TH align=middle>PART NAME </TH></TR><TR><TD class=NOBOTTOMBORDER align=left>3C4Z-5A300-AA </TD><TD class=NOBOTTOMBORDER align=left>1/2" Shim </TD></TR><TR><TD class=NOBORDER align=left>5C3Z-5742-AA </TD><TD class=NOBORDER align=left>1" Shim </TD></TR></TBODY></TABLE>











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Sorry the pics didn't come thru... but use this TSB#04-23-6 for your request to review ride height. The pic that would help the most is where the measurement is taken from... which is from the bottom of the rim (not the tire or the ground) to the bottom of the fender. Compare all sides to each other.

The dealer found mine to be within spec (just under 3/4")... but still corrected it. It drives great and no issues with handling, braking, steering or pulling. Just can't believe that Ford allow such and obvious issue to leave the factory. Hell mine was leaning over 3/4" an really noticeable from the rear. I checked others on the lot... and they were leaning too!

 

Good stuff BlueHog