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I have an E350 Diesel 2000 with 128,000 miles. The steering feels loose and I am wondering if there is an adjustment on the steering box or do I need to replace it.
Assuming this is like the E150 steering box:
There is a "mesh preloading adjustment" screw that should never be touched, it's only to be done by the mfg with special gauges. It won't fix slack issues but will cause the box to self-destruct.
Now on my E150, the loose steering problem turned out to be a front end lube issue. The box is not very tight by design. It only presents a problem when the front end binds up enough that it sticks on one side or the other. With it well lubed it will track the steering wheel quite well despite the slack.
When I purchased my '99 E-350 Super Duty it wanted to change lanes abruptly. Following the grooves in the road. So before I purchased it I negotiated a front end alignment and suspension inspection, and the dealership tightened the steering box. It's been 4 years and the steering box has remained in one piece and functions great. Tightening the steering box stopped the wandering. The adjustment does not take long, but I would recommend a professional shop that knows what they are doing. Liability might be a question. Certainly knowing how tight is too tight is worth the price of experience. Just my 2 cents.
Larry
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