Kelderman GM 2500, GM 3500 HD Installation Manual

Kelderman
2/2/21

1

- 2020+ GM 2500-3500 HD

7-9 in. Lift Torsion
Bar Independent
Front Kit Installation
Manual

Kit Number; 10008513

K

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

2

7-9 in. Lift Kit

Optional Equipment Shown

Kelderman Independent Torsion Front

- Contents

- Kit Numbers…………………………………….…………….… (3)

- Introduction…………………………………….…………….… (4)

- Safety…………………………………………….………………... (5)

- Product Owner Responsibilities….....……………..... (6)

- Disassembly…………..…………….…...….…………………. (7)

- Kit Instillation..………………….……………………………. (14)

- Parts Key…………………….….……………….……………… (24)

- Contact Information...……………...……………………. (28)

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

3

Kit Number

Description

10008513

2020+ Chevrolet 2500/3500 HD – 4wd – Independent Torsion Front – 7-9” Lift Kit

2020+ GMC 2500/3500 HD – 4wd – Independent Torsion Front – 7-9” Lift Kit

Kit Number

Description

10006483

2020+ GM 2500/3500 HD – Upper Control Arm Kit

10008606

2020+ GM 2500/3500 HD – Raptor, Single Shock Steering Stabilizer - Complete Kit

10008663

2020+ GM 2500/3500 HD – Raptor, Front Shock Reservoir Bracket Kit

10008668

2020+ GM 2500/3500 HD – Raptor Steering Stabilizer - Shock Only Kit

10008695

2020+ GM 2500/3500 HD – Raptor, Front Shocks – 7-9” Lift Kit

Kit Numbers

- This installation manual covers the following lift kits.

- This installation manual also covers the following optional upgrades.

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

4

Introduction

- Important

It is important that the entire installation instructions be read thoroughly before
proceeding with installation. This kit reuses several OEM components that will be
removed during disassembly then reinstalled. Kelderman recommends bagging and
labeling all hardware removed during disassembly.

Before painting open every box and locate all parts. There are several smaller
bushing pieces and bolts that are packaged separately inside the main box.

- Product Installer Responsibilities

Installer is responsible for installing this product in accordance with Kelderman Mfg.
Inc. specifications and installation instructions.

Installer is responsible for providing proper installation of vehicle components and
attachments as well as required or necessary clearance for suspension components,
axles, wheels, tires, and other vehicle components to ensure a safe and sound
installation and operation of this product.

- Definition of Terms

- Warning: Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.

- Caution: A potential hazardous situation may result in property damage.

- Note: Provide information or suggestions that help correctly perform a task.

- Torque: When italicized “torque” alerts the installer to tighten fasteners to a

specified value.

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

5

Safety

- Your Safety and the Safety of Others is Very Important.

Read and understand all safety precautions and instructions before installing this
product.

- CAUTION: Trucks Equipped with Parking Sensors or Other Like Devices.

Relocation of these devices will alter the field of view. It is the responsibility of the
owner to understand how these changes affect the operation of these systems.

- WARNING: Careless Installation Can Result in Serious Injury or

Property Damage

- Wear eye protection.

- Disconnect the battery before doing any work on the vehicle.

- Work on flat level ground.

- Ensure truck is properly supported by jack stands. Never work under a

vehicle supported only by hydraulic jacks.

- Take precautions when lifting product. Due to the size and weight of this

product two people are recommended for installation.

- Never work directly under the product until it has been securely fastened to

the vehicle.

- Avoid sharp, hot, and moving components when routing electrical cables and

air lines.

- If drilling inspect both sides of the surface and remove/relocate any objects

located in the way.

- Ensure all bolts are properly tightened before driving.

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

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First 1,000 Miles

- Check ride height ± 1/4”

- Check for any loose or rubbing hoses and wires.

- Re-torque all hardware.

Every 30,000 Miles

- Check ride height ± 1/4”

- Grease suspension components

- Inspect bushings for wear; replace if required.

- Product Owner Responsibilities

- Product owner is solely responsible for pre-operation inspection, periodic inspections,

maintenance, and use of the product as specified by Kelderman Mfg. Inc. Of particular
importance is the re-torque of fasteners. This re-torque must be performed within 90 days
or 1000 miles of this product being put into service.

- Product owner is responsible for “down time” expenses, cargo damage, and all business

costs and losses resulting from a warrantable failure.

- Service Intervals

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

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DS, Front

Torsion Bar

Lower A-Arm

Torsion Key

Disassemlby

1 : Take the following measurements for future reference. These measurements will be

used to adjust the suspension after installation.

2 : Break the front lug nuts loose, but do not remove.

3 : Apply the parking brake. Lift the front of the vehicle until the tires are off the ground

and the suspension is at full droop. Support the truck with jack stands and remove the
front wheels.

4 : Remove the plastic belly tray or factory skid plate if equipped.

5 : Mark and label each torsion bar, they will need to be reinstalled in the same

orientation. Take note of driver side (DS) vs passenger side (PS), front vs back, and
indexing in the lower A-arm and in the torsion keys.

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

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Torsion Key

Removal Clamp

6 : Locate the torsion key bolts and measure the length of bolt visible __________, count

the number of turns as you remove the bolt ___________. It is important that this bolt
is set back to the correct length when re-installing the torsion key.

7 : Use a torsion key removal clamp to release pressure from the threaded block. Once the

block is free remove it from the crossmember. Slowly back off the clamp until torsion
pressure is released. NOTE: The bolt and threaded block will be reused.

8 : Slide the torsion bars forward and remove the torsion keys. Remove the two bolts from

the torsion bar crossmember and drop the crossmember out the bottom. Remove the
torsion bars by sliding them out backward. NOTE: All these parts will be reused.

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513

Kelderman
2/2/21

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9 : Remove the front flex brake lines (these will be replaced with longer flex lines).

Disconnect the wiring from the wheel speed sensor and remove any clips or brackets
that hold lines or wires to the cast knuckle/spindle.

10 : Remove the four bolts that fasten the caliper assembly to the knuckle and remove the

caliper.

11 : Remove the keeper bolt and rotor. Remove the hub cap and axle nut.

12 : Remove the nut from the tie rod end ball joint. Use a pickle fork to disconnect the ball

joint from the knuckle.

13 : Remove the bearing assembly from the knuckle, it is attached with four bolts. NOTE:

Take care while removing the bearing assembly not to damage the O-rings, they will be
reinstalled in the new knuckle.

14 : Remove the upper A-arm ball joint nut, use a pickle fork to break the ball joint loose

from the knuckle. Repeat the process on the lower A-arm ball joint. Remove the
knuckle.

7-9” Lift Front Kit Installation Manual - 2020+ GM 2500/3500 HD 10008513