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  1. #1

    Default Is my loose steering play adjustable? ('90 Topkick/Kodiak)

    I can turn my steering wheel a lot before the steering box tries to move the wheels. It's not fun trying to drive straight on the highway. It reminds me of the kiddy ride where the little car can go left and right, bouncing off the center rail keeping it on the track. .

    I'm wondering if there is some adjustability available, and how I can find out the procedure. I've had no luck searching yet.

    In the second picture below is a small plug/fitting that might be some type of adjustment, but that's just a guess.

    Any suggestions?

    Thanks very much in advance.

    Marietta, GA
    1990 GMC Kodiak - former ambulance
    Attached Thumbnails Attached Thumbnails TopkickSteering 002.jpg   TopkickSteering 003.jpg  

  2. #2


    First make sure all your linkage components are good and tight. The idler and center link can make 'em wander when worn. My S-10 was starting to wander hard around 225,000mi. Replacing the Idler and center link w/ an alignment made it drive like new. At 180,000 my Jimmy had wear in the Idler so we replaced it but should have also done the center link as it still wandered some...

    BTW the S-10 had 306,000 on it when I sold it and I still hadn't adjusted the steering box!

    If everything else is good and tight you can adjust the steering box. Just snug it up some, cranking it real tight will kill the steering box.

    I know some S-10 guys were getting different steering boxed form camaros for less turns/better turning radius but that's hard to do for most trucks...
    Still Loyal to GM after all these years...:shocked:
    2006 Impala LT 3.5L
    2005 Silverado WT small cab/longbed 4x4 4.3L V6
    1999 Grand Am 3.4L in TX w/ our youngest
    1993 GMC Jimmy 4.3L 4 door 4x4 'Ole Rusty' - 'SOLD'
    1988 S-10 small cab/longbed HT3.4L Crate Engine
    1970 Nova 250 I-6, factory 3 sp floor shifter.
    1968 Chevelle 'Nomad' Wagon 250 I-6 w/ 3 on da' tree.

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