suspension/front end
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New User
Joined: Nov 2009
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suspension/front end
on my 96' ford f150, i have a 4in suspension lift. well the front end at about 55 starts shaking and feels like it is falling apart. any ideas on what coupld be wrong. and also it might need an alignment or new coil springs. the front tire kick out at the bottom. where could i find alignment specs for a 4 in lift
Elder User
Joined: Nov 2004
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Take it to a tire shop and have the tire balance checked, then make sure everything in the front end is tight (upper and lower ball joints, inner and outer tierod end, and pitman arm) then if everything is tight go to an alignment shop and have them do the alignment.
Lead Driver
Joined: Aug 2006
Posts: 5,670
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From: Sand Lake, MI
There is no spec's other then the proper toe/caster/camber setting for the given model, a lift kit doesn't change that.
If your tires are tipped in at the top IE "negative camber" with a 4 inch lift kit on a f150 you got some serious problems up there.
I'd check the TTB pivot bushings as well as the ball joints. The 4" lift should have put it into a major positive camber setting and a negative caster angle with stock TTB arms and ball joint and settings.
You'll need to replace all worn bushings first then ball joints, snug up the ball joints and then run it in for an alignment. The upper ball joint bushings allow for differing amounts of adjustment. The alignment tech will determine what degree of adjustment is needed and the proper bushings needed to achieve it.
Or have it done all at one time at a shop.
Sample>
If your tires are tipped in at the top IE "negative camber" with a 4 inch lift kit on a f150 you got some serious problems up there.
I'd check the TTB pivot bushings as well as the ball joints. The 4" lift should have put it into a major positive camber setting and a negative caster angle with stock TTB arms and ball joint and settings.
You'll need to replace all worn bushings first then ball joints, snug up the ball joints and then run it in for an alignment. The upper ball joint bushings allow for differing amounts of adjustment. The alignment tech will determine what degree of adjustment is needed and the proper bushings needed to achieve it.
Or have it done all at one time at a shop.
Sample>
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1987 - 1996 F150 & Larger F-Series Trucks
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Jun 3, 2008 08:37 AM
