RAS GMC 1500 Sierra Denali 2019-2022 HD Heavy Duty Spring Kit Instruction Manual
- June 10, 2024
- RAS
Table of Contents
RAS GMC 1500 Sierra Denali 2019-2022 HD Heavy Duty Spring Kit Instruction Manual
READ BEFORE INSTALLING:
- When installing RAS or making adjustments, the rear axle must be hanging free to maximize the arch of the leaf spring. If not using a lift, jack stands should be placed under the front leaf spring eye. To be sure, any support (lift or jack), should only be utilized by placing within an inch of, but should not be supporting axle or differential.
- The gold threaded rod is threaded inside the spring for shipping purposes. You must unthread the gold rod so that the kit will lengthen.
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ANY DEVIATION FROM THESE INSTRUCTIONS WILL VOID THE WARRANTY. THIS KIT WILL NOT BE WARRANTED IF INSTALLED ON ANY VEHICLE USED FOR RACING, SIMILAR ACTIVITIES, OR FITTED TO VEHICLES WHERE THE REAR SUSPENSION HAS BEEN MODIFIED IN ANY WAY.
Ford Raptor OR Nissan Titan 2015-Present
Please note that the pictures below are on a Nissan but the same install steps apply for a Ford Raptor.
- This vehicle has a clamp bracket that attaches to the overload spring blade and has a roller located above the top spring blade, in order to install the RAS kit, the roller must be removed.
- This illustration shows the roller removed. In order to remove the counter-sunk hexagon socket head, the bolt must first be removed. The head of the bolt is located on the spare tire side of the vehicle.
- Continue to page 7 for universal RAS install.
Dodge 1500, 2500 OR 3500
We suggest using a qualified installer for these vehicles.
- There has been a design change on some of the rear swinging shackles for the leaf spring on your vehicle. If the shackle swings from the top down, you will need to drop the rear eye of the leaf spring to be able to fit the RAS hook over the rear eye of the leaf spring as shown in step #6 of the fitting instructions.
- Jack the vehicle up and place the jack stands under the frame closest to the front leaf spring connection. Once jack stands are in place using the trolley jack placed under the differential raise it up and remove the nut from the bolt of the rear eye of the leaf spring. Supporting the leaf spring, raise the leaf spring enough to relieve the tension on the bolt and remove the bolt.
- Once the bolt is removed, create enough space to allow the hook bracket to be installed over the rear eye of the leaf spring by raising up the frame. Once the hook is cantered on the eye of the leaf spring, lower the frame back into position and reinstall the nut the and leaf bolt through spring.
- Continue to page 7 for universal RAS install.
Bump Stop Spacers for 3611-Y
Only this specific kit will include bump stop spacers.
- Remove the bolt holding the O/E bump stop using the appropriate size socket and extension (size may vary by year, 13mm 14mm).
- Select the correct length bolt for your bump stop from the supplied bolts and drop it into the hex shaped hole on the new bump stop spacer. Align the two roll pins into the holes on the frame using the original O/E bolt and fasten them securely.
- The word “WHEEL” with an arrow on the bump stop should be pointing towards the vehicle’s wheel. With the bump stop spacer now in place you can reattach the original bump stop to the new bump stop spacer using the bolt and nut (14mm) supplied with the new RAS bump stop spacer.
Extension Brackets for 3611-SL & 3611-S
Only this specific kit will include extension brackets.
- The extension brackets allow the axle brackets to be extended so that the tube spacer and bolt can now be located as shown. Follow the steps in the illustrations.
Universal RAS Install
Unless otherwise specified on the previous pages, follow the steps below for installation.
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