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In general the front steering shock is for bump steer. One the biggest improvements on my Excursion was adding zerk fittings to the lower ball joints then greasing them. I just drilled and tapped the factory ball joints and they are still good at 130k miles.
Tightening the steering box on my 4WD '05 removed 80% of my wandering. Replacing soft stock rear leaf springs may also help. Replace your shocks if your still running the originals.
A rebuilt steering box from Red Head seems to be the ticket; haven't gone there myself yet.
After about a year, I have my '00 Excursion where it is drivable again. Last fall, I replaced worn tie rod ends and ball joints. Mileage was about 200K. I also put new Goodyear Wranglers on the rear. I did these changes over a few weeks and about that time, I noticed the Excursion became very difficult to keep on the road.
2000 Excursion, RWD, 6.8 V-10 purchased new. Current mileage about 220K.
I checked tire pressure because I know tire pressure can cause severe oversteer. That did not fix the problem.
I replaced the factory shocks with Monroe middle of the line shocks. No help.
I installed 4 new Michelin tires. No help.
I added Helwig rear sway bar. No help.
I replaced bushings on front sway bar. No help.
I replaced rear leaf springs with F250 springs. No help.
I added AirLift bags to the front. No help.
I adjusted backlash on steering box. No help.
I replaced steering box. No help.
I bought caster bushings and set caster to maximum. No help. Still wheels would not return to straight after turn. It was still difficult to keep on the road.
I talked to a mechanic friend in Florida. He suggested ball joints needed to be FoMoCo or maybe Moog. That made no sense to me. I have never had a problem with house brands. I checked and the ball joints I had installed were O'Reilly's house brand. They were about half Moog's price ($18 vs $40 or so).
I finally bit the bullet and put new Moogs on it. Bingo. After several thousand dollars, nearly a year and 20,000 miles, it drives like it should.
If you are replacing ball joints, watch out for store brands.
Recently used hypodermic needle with zerk fitting on it.
I put grease in all of the ball joint boots and I have found quite an improvement.....probably to the point of not being concerned about it.
The joints were so dry...........binding as I was told....freed up now. I towed four hundred miles over the weekend with success. Drove several non tow miles and realized the same improvement.
It will get all new joints eventually. I will only use greaseable joints....Moog or ?
what are you guys thinking about the "binding theory" ? Just curious..........
The service manual says the same thing, I didn't believe it but as I said above, I greased my factory ball joints and it improved the wander. I also aligned it and adjusted the steering box.
Originally Posted by Scuds ion
My truck has 106,000 on the O.E. joints.....
Recently used hypodermic needle with zerk fitting on it.
I put grease in all of the ball joint boots and I have found quite an improvement.....probably to the point of not being concerned about it.
The joints were so dry...........binding as I was told....freed up now. I towed four hundred miles over the weekend with success. Drove several non tow miles and realized the same improvement.
It will get all new joints eventually. I will only use greaseable joints....Moog or ?
what are you guys thinking about the "binding theory" ? Just curious..........
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.