3/4 ton, front suspension, pitman/idler arm support kits
#21
TECH Junkie
iTrader: (28)
You don't necessarily need them, meaning your truck will drive without them, but it will clean up some of the steering slop (where you can move the steering wheel back and forth a bit without the truck actually changing direction). From what I understand, the Cognito support kit just keeps the idler and pitman arm from wearing out much longer than without the support kit. A Cognito rep told me that the arms should be replaced at about 30k miles if you don't have the support kit.
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black03rcsb
GM Drivetrain & Suspension
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09-01-2015 10:17 AM