GM Truck Club
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 7 of 7
  1. #1

    Default Which way do rear shocks mount??

    I recently purchased a 99 Suburban LT to replace our 99 Z71 that was having many issues even though it has only had 5000 miles put on it in the 10 months we've owned it.

    Suburban today and I am thinking the rear shocks are mounted upside down. The rear shocks are mounted with the moving shaft pointed down. So which way do they go?? All of the vehicles I have ever messed with rear shocks on they have been mounted with the shaft pointing up. If the shocks are mounted upside down would that make any kind of difference in ride quality?

  2. #2


    Doesnt matter the ride wont change. On Off-road trucks this is sometimes done to gain more clearance around the springs.

  3. #3
    Jr. Mechanic Sooner's Avatar
    Join Date
    Oct 2007
    Oklahoma City Suburbs


    Provided the shock is not directional, I think you're better off. By mounting the shock with the body connected to the frame and the shaft connected to the axle, you reduce "unsprung weight" allowing the suspension to perform better. It makes a noticeable difference on sprint cars. But, we're talking about a 7,000 lb truck.
    2008 Chevy Tahoe
    2007 Nissan Titan CC
    1997 Chevy 1500 EC (just passed 200,000)

  4. #4


    correct. you need to know the manufacture of the shock and see if they can be mounted upside down. some can some can not......mike
    Michael Collins
    1993 4X4 Suburban
    many other toys as well

  5. #5
    Master Mechanic
    GM_Guy's Avatar
    Join Date
    Jan 2007


    the ones on my 89 suburban are with the moving shaft facing up

    1968 Chrysler Imperial Crown 4 door ht ~ resto project
    1984 Buick Le Sabre 4 door sedan~daily driver


  6. #6


    The shocks are bilstein's and I have no idea how old they are but we have determined they are definately bad.

  7. #7


    This is an answer I recieved after a similiar question I sent to Billstein a few months ago:


    Thank you for your inquiry on Bilstein shock placement and use.
    Almost all Bilstein shocks are designed to be universal and fit a variety of different applications. Bilstein uses high performance valving and seals in the manufacturing of every model shock we make to provide the best performance for any situations your vehicle may be used for. Unless specifically noted as "Directional" on the shock housing Bilstein shocks may be mounted with the shock body in the up or down position.
    Exceptions to this are Bilstein Liquid Filled shocks and Bilstein Resevoir shocks which are designed as specific vehicle fit shocks intended for High Performance use and should be mounted as specified.
    Hopefully this will answer any questions you have on mounting and use of your Bilstein shocks.

    James Aderson
    ThyssenKrupp Bilstein of America

    I recieved similar answers from Rough Country and Rancho.

Similar Threads

  1. STS rear mount turbo kit FS in Minnesota
    By Adam1986 in forum Chevy Parts eBay
    Replies: 1
    Last: 08-02-2010, 01:36 AM
  2. Rear bumper spare tire mount
    By X-Hibition in forum Chevy Suburban Forum (GMC Yukon XL)
    Replies: 23
    Last: 07-06-2010, 11:12 PM
  3. What rear shocks to use when lowering
    By cmestax in forum Lifted & Offroad Suspension
    Replies: 3
    Last: 06-04-2010, 02:55 PM
  4. 94 Blazer Fullsize - Rear Shock Mount Idea
    By DoubleTap308 in forum General Chevy & GM Tech Questions
    Replies: 2
    Last: 11-15-2009, 06:47 PM
  5. Rear Shocks for a 1991 Sub
    By cchas14 in forum Lifted & Offroad Suspension
    Replies: 1
    Last: 08-05-2008, 10:10 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts