Manual

ManualsBrandsTrail Master ManualsCar4.0 Inch Lift Kit with NGS Shocks (TM102N)

WARNING

Many states and municipalities have laws restricting

bumper heights and vehicle lifts. Consult state and local

laws to determine if the changes you intend to make to

the vehicle comply with the law.

WARNING

The installation of larger tires may reduce the effective-

ness of the braking system.

WARNING

Always wear eye protection when operating power tools.

WARNING

Before you install this kit, block the vehicle tires to pre-

vent the vehicle from rolling.

WARNING

DO NOT combine suspension, body, or other lift devices.

Use of vehicle with combined lifts may result in unsafe

and/or unexpected handling characteristics.

NOTE

Lift height may vary depending on vehicle configuration,

engine size, additional accessories, the factory suspen-

sion package, and vehicle’s condition.

NOTE

Trail Master recommends using thread locking com-

pound on the threads of all kit nuts and bolts unless

specified otherwise in these instructions.

400 W. Artesia Blvd. Fax: (310) 747-3912

Compton, CA 90220 Ph: (877) 695-7812

www.trailmastersuspension.com

GM 1500 4WD/2WD SUSPENSION 4” LIFT KIT

‘07- ’13 KIT# TM102N

WARNING

Installation of a Trail Master suspension lift kit will

change the vehicle’s center of gravity and handling char-

acteristics both on- and off-road. You must drive the ve-

hicle safely! Extreme care must be taken to prevent vehi-

cle rollover or loss of control, which could result in seri-

ous injury or death. Avoid sudden sharp turns or abrupt

maneuvers and always make sure all vehicle occupants

have their seat belts fastened.

WARNING

Before you install this kit, read and understand all in-

structions, warnings, cautions, and notes in this instruc-

tion sheet and in the vehicle owner’s manual.

CAUTION

Proper installation of this kit requires knowledge of the

factory recommended procedures for removal and instal-

lation of original equipment components. We recommend

that the factory shop manual and any special tools

needed to service your vehicle be on hand during the

installation. Installation of this kit without proper knowl-

edge of the factory recommended procedures may affect

the performance of these components and the safety of

the vehicle. We strongly recommend that a certified me-

chanic familiar with the installation of similar components

install this kit.

WARNING

This kit should only be installed on a vehicle that is in

good working condition. Before you install the kit, thor-

oughly inspect the vehicle for corrosion or deformation of

the sheet metal. If the vehicle is suspected to have been

in a collision or misused, do not install this kit. Off-road

use of your vehicle with this kit installed may increase

the stress applied to the factory components. Failure to

observe this warning may result in serious personal in-

jury and/or severe damage to your vehicle.

Summary of content (16 pages)

PAGE 1
400 W. Artesia Blvd. Fax: (310) 747-3912 Compton, CA 90220 Ph: (877) 695-7812 www.trailmastersuspension.com GM 1500 4WD/2WD SUSPENSION 4” LIFT KIT ‘07- ’13 KIT# TM102N WARNING WARNING Installation of a Trail Master suspension lift kit will change the vehicle’s center of gravity and handling characteristics both on- and off-road. You must drive the vehicle safely! Extreme care must be taken to prevent vehicle rollover or loss of control, which could result in serious injury or death.
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TM102N Revised 2.4.
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TM102N Revised 2.4.14 Before Starting Installation Engine Compartment NOTE 1. Disconnect both battery cables. Disconnect negative cable first, then positive cable. Kit parts are prefaced by the word kit and appear in bold print. Torque Specifications: 1. Carefully read all warnings and instructions completely before beginning. 2. Verify all parts have been received in this kit by checking the parts list at the end of this document.
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TM102N Revised 2.4.14 8. Remove the ABS line from the OE upper control arm. Leave bracket bolted to arm. Prepare to Install Front Suspension 9. Using a flat blade screw driver carefully open the upper control arm brake line retaining bracket. Carefully, remove the rubber brake line from the bracket. NOTE: Spraying the brake line with lubricant will aid in it’s removal. Be very careful to not damage the rubber line in any way during it’s removal from the bracket. 1. Place the vehicle in neutral.
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TM102N Revised 2.4.14 15. Remove the clips that hold the ABS wire to the upper strut mounting studs. OE Sway Bar OE Sway Bar End Link Hardware OE Wire Clip OE Sway Bar End Link OE Strut Studs 12. Unbolt the OE CV axle from the differential. Rest the CV axle on the lower control arm. NOTE: Be very careful not to overextend the CV axle during removal. 16. Support the lower control arm with a jack and unbolt the lower strut mounting bolts from the lower control arm mount.
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TM102N Revised 2.4.14 21. Remove the OE rear crossmember support brace from the vehicle. Save the OE hardware for reinstallation. 18. Unbolt the upper control arm cam bolts and remove the upper control arm from the vehicle. Save the cam bolts for reinstallation. OE Rear Crossmember Support Brace OE Upper Control Arm 22. Support the differential with a jack and unbolt the driver and passenger side mounts (2 per side). Carefully remove the differential from the vehicle. 19.
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TM102N Revised 2.4.14 24. Using a suitable cutting tool, (abrasive cutoff wheel, Sawz-all, etc.), carefully trim off the marked fin area. Do not cut into the housing. NOTE: The thicker part of the spacer will be orientated toward the front of the vehicle. Front of Vehicle Remove Fin Only! Cutting Tool 90-4518 Drvr Diff Drop Area of Differential to Be Trimmed OE Drvr Diff Mount 12mm X 35mm Bolt 25. On the passenger side, the OE bolts need to be removed from the pass side differential bracket.
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TM102N Revised 2.4.14 6. Reinstall the front driveshaft to the front differential using the previously removed OE hardware. Be sure to use thread locker on these bolts. Torque the OE bolts to 35 ft./lbs. 90-4518 Drvr Diff Drop OE Diff 12mm X 35mm Bolt OE Driveshaft 4. Secure the differential to the previously installed passenger side drop bracket (90-4519) using the (2) supplied 12mm X 35mm, (2) 12mm lock washers and (2) 12mm fender washers and hardware. Be sure to use thread locker on these bolts.
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TM102N Revised 2.4.14 way out. Doing this will ensure the ball joint is out as far out as possible. Torque the cam bolt hardware to 95 ft./lbs. 82-8272 Strut Spacer OE Strut 13. Remove the OE lower strut mounting clips from the strut. 82-8274 Drvr and 82-8277 Pass Upper Control Arm 14. Fit the OE strut into the stock mounting locations. Fasten using the supplied (3 per side) 7/16” hardware on the top from hardware pack (90-6317). Torque to 35 ft./lbs.
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TM102N Revised 2.4.14 lower A-arm using the supplied (2 per side) 10mm X 55mm bolts and hardware. Torque the bolts to 45 ft./lbs. 18. Torque the OE CV bolts to 45 ft./lbs. 19. Reconnect the ABS wiring clips. Secure the brake lines to the tab on the upper control arm. Secure the ABS line using the smaller Adel clamp (90-3240), the rubber brake line using the larger Adel clamp (90-4554) and the 1/4”-20 X 3/4” bolt and hardware.
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TM102N Revised 2.4.14 28. Recheck all hardware for proper installation and torque at this time. OE Sway Bar IMPORTANT! BE SURE TO BRING THE VEHICLE IMMEDIATELY TO A REPUTABLE ALIGNMENT SHOP TO BE ALIGNED! OE Sway Bar End Link Hardware OE Sway Bar End Link OE Lower Control arm 23. Be sure to use thread locker and torque the sway bar hardware according to manufacturers specifications. 24. Repeat steps on the remaining side of the vehicle. 25.
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TM102N Revised 2.4.14 Install Rear Suspension Prepare to Install Rear Suspension 9. Install the lift block (95-300C) making sure the pin are fitted into the hole on the spring perch. Use your floor jack to raise the axle to the spring making sure the pin on the leaf spring fit into the holes on the new lift block. 1. Block the front tires and raise the rear of the vehicle. Support the frame with jack stands forward of the rear springs. 2. Remove the rear wheels. 3.
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TM102N Revised 2.4.14 NOTE 14. Reinstall the wheels and lower the vehicle to the ground. Torque the lug nuts according to the wheel manufacturers recommendations. All warranty information, instruction sheets, and other documents regarding the installation of this product must be retained by the vehicle owner. Information contained in the instructions and on the warranty card will be required for any warranty claims.
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TM102N Revised 2.4.14 Kit Parts List: Box TM102N-1 82-8272 STRUT SPACER 2 82-9144 LOWER SKID PLATE 1 90-4518 DIFF MOUNT: Drvr– 4WD only 1 90-4519 DIFF MOUNT: Pass– 4WD only 1 82-8274 UPPER CONTROL ARM: Drvr 1 82-8277 UPPER CONTROL ARM: Pass 1 95-300C CAST IRON LIFT BLOCK 2 13-90086 U-BOLT: 9/16” X 2.650” X 11.
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TM102N Revised 2.4.14 90-4544 ADEL CLAMP: Large: Front Brake Line 2 90-3240 ADEL CLAMP: Small: Front ABS Line 2 90-6902 HARDWARE PACK: ABS Line 25C75HCS8Y 1/4”-20 X 3/4” HEX BOLT Gr. 8 25NWHDY/SAE 1/4” HARDENED FLAT WASHER 25CNNE8Y 1/4”-20 NYLOCK NUT Gr. 8 1 2 4 2 90-6317 72-043200810 73-04300830 73-04300836 HARDWARE PACK: Strut Spacer 7/16”-20 HEX NUT Gr.
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TM102N Revised 2.4.14 Notice to Owner Operator, Dealer and Installer: Vehicles that have been enhanced for off-road performance often have unique handling characteristics due to the higher center of gravity and larger tires. This vehicle may handle, react and stop differently than many passenger cars or unmodified vehicles, both on and off–road.