Steering problem '93 W300

Got a '93 W300 diesel and the steering was getting very sloppy. Replaced wheel brgs, "king pins", & tires. The truck then started darting left &
right from the center steering position. It is hard to keep it in one lane on the road! Replaced tie rod ends, drag link, and the steering box. Still have the same problem but not all the time. Put the truck on jack stands and didn't see any problems. Tires don't show any alignment problems, running about 1/8" toe in. Steering is very stiff tho. It seems like the steering box is fight itself in the center position and can't make up its mind. BUT, had the same problem when the OLD steering box was in. Any help would be appreciated. Tim
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Have you checked the condition of the flex joint that connects the steering column to the steering box? They're notorious for causing slop in the steering. Borgeson makes a replacement that's more durable:
http://www.borgeson.com/TruckProductDodge.htm
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"Tim Aberegg" wrote: > Got a '93 W300 diesel and the steering was getting very > sloppy. Replaced > wheel brgs, "king pins", & tires. The truck then started > darting left & > right from the center steering position. It is hard to keep it > in one lane > on the road! Replaced tie rod ends, drag link, and the > steering box. Still > have the same problem but not all the time. Put the truck on > jack stands and > didn't see any problems. Tires don't show any alignment > problems, running > about 1/8" toe in. Steering is very stiff tho. It seems like > the steering > box is fight itself in the center position and can't make up > its mind. BUT, > had the same problem when the OLD steering box was in. Any > help would be > appreciated. > Tim
Sounds like caster angle of front axle is off. (it is the king pin inclination when measured in tip from front to back) When caster is off the trcuk can wander a lot and follow the road even if steering linkages and box are fairly tight slop wise.. You can place angled shims between the springs and the axle pad to adjust the caster angle becaue as the truck and springs age the caster setting can change. Years ago I had a truck that did likewise until I reset the caster angle with shims and now it still tracks fine.
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