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Maxtrack K941370 Manual

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PART# K941370
2007-2013 GM 1500 4WD
7" SUSPENSION LIFT KIT
8 HOUR INSTALL TIME
Max Trac Suspension recommends using an 17" x 9" wheel w/ 4.5" back spacing. 18" rims or
larger will fit with 5" back spacing. Any wheel that is wider or has less back spacing "i.e. Deep
Dish Wheels" can cause component failure and will void the warranty. Max Trac Suspension
also recommends using a 35" x 12.5" tire.
*THIS KIT REQUIRES THE CUTTING OF YOUR FRAMES CROSSMEMBER UNDER THE ENGINE
AND OF THE INNER/OUTER TIE ROD ENDS.
* THIS KIT DOES NOT WORK ON MODELS EQUIPPED WITH MAGNE-RIDE.
*STOCK WHEELS WILL NOT WORK WITH THIS KIT.
WARNING

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Summary of Contents for Maxtrack K941370

  • Page 1 PART# K941370 2007-2013 GM 1500 4WD 7" SUSPENSION LIFT KIT 8 HOUR INSTALL TIME WARNING Max Trac Suspension recommends using an 17" x 9" wheel w/ 4.5" back spacing. 18" rims or larger will fit with 5" back spacing. Any wheel that is wider or has less back spacing "i.e. Deep Dish Wheels"...
  • Page 2 COMPONENTS & HARDWARE Components Hardware Hardware Pack # (1) 941370A FRONT SUB FRAME (2) 5/8-11 X 4 1/2" HEX CAP SCREW (1) 941370B REAR SUB FRAME (2) 5/8-11 X 5 1/2" HEX CAP SCREW 9413H-SF (1) 741300D DS STEERING KNUCKLE (4) 5/8-11 NYLOCK NUT (1) 741300P PS STEERING KNUCKLE (8) 5/8"...
  • Page 3 STEP STEP Step 1 Jack up the front of the truck and support under the frame rails using jack stands. STEP STEP STEP Step 2 Loosen the tie rod at the spindle and break loose by hitting the side of the spindle, at the steering arm, with a hammer.
  • Page 4 STEP STEP Step 4 Unbolt the brake caliper and support it, up out of the way. NOTE: NEVER ALLOW THE BRAKE CALIPER TO HANG BY THE BRAKE LINE. STEP STEP STEP Step 5 Unbolt the rotor retainer bolt and then remove the rotor. NOTE: THE ROTOR SHOULD JUST POP OFF. IF IT DOES NOT JUST POP OFF, YOU WILL NEED TO HIT THE WHEEL MOUNTING SURFACE OF THE ROTOR WITH A HAMMER UNTIL THE RUSTY BOND IS BROKEN AND THE ROTOR POPS OFF.
  • Page 5 STEP STEP Step 7 Separate the clip attaching the ABS line to the bracket you just removed from the top of the spindle and then open the clip and separate the ABS line from the clip. STEP STEP STEP Step 8 Pry off the dust cap at the end of the hub assembly and then remove the axle retainer nut. STEP STEP Step 9 Loosen the upper ball joint nut, but do not remove.
  • Page 6 STEP STEP Step 10 Loosen the lower ball joint nut, but do not remove. Next, hit the side of the spindle, right at the nut, with a hammer to break the ball joint loose. The nut will catch the spindle. STEP STEP STEP...
  • Page 7 STEP STEP Step 13 Remove the 3 nuts attaching the strut to the frame and the two bolts attaching the strut to the lower control arm, then remove the strut. STEP STEP STEP Step 14 Unbolt both lower control arm mounting bolts and remove the lower control arm. STEP Step 15 Unbolt all 6 bolts attaching the CV axle to the differential housing and remove the axle.
  • Page 8 STEP STEP Step 16 Unbolt the 4 bolts attaching the cross member to the rearward lower control arm mount and remove the cross member. STEP STEP STEP Step 17 Unbolt the 4 bolts attaching the sway bar to the frame and remove the sway bar. NOTE: TAKE NOTE THAT THE ENDS OF THE SWAY BAR SWOOP UPWARD.
  • Page 9 STEP STEP Step 19 Unplug the wiring at the differential and separate the wire guide clip. Move the wiring up out of the way so that it does not get damaged during the install. STEP STEP STEP Step 20 Support the differtial with an adjustable jack and then remove all 4 mounting bolts. Slowly lower the diff down making sure that there is nothing else attached to it that could get damaged.
  • Page 10 STEP STEP Step 22 Locate the driver's side diff drop and install it to the factory mount using the factory hardware. The driver's side bracket has the tab that extendes past the bracket and an extra hole for the guide nipple in the factory mount. NOTE: THE SHORT SIDE OF THE MOUNT WILL FACE THE REAR OF THE TRUCK.
  • Page 11 STEP STEP Step 25 Remove the 4 bolts that the bracket aligns with and then install the bracket using the 4 provided M10-1.5 x 60 bolts and the 1 provided 7/16-14 x 3" bolt, nut, & washer then tighten. NOTE: THE BRACKET WILL ONLY FIT ONE WAY AND ALWAYS TAKE CAUTION WHEN INSTALLING A STEEL BOLT INTO ALUMINUM THREADS.
  • Page 12 STEP STEP Step 28 Loosely install the front subframe with the logo facing forward, using the factory hardware. STEP STEP Step 29 Loosely install the rear subframe using the factory hardware. The notch in the vertical rise of the subframe goes on the driver's side, facing forward to allow for clearance with the diff.
  • Page 13 AXLE SPACER ----> STEP STEP Step 31 Using the provided M10 hardware, re-install both front axles with the aluminum spacers between the diff and axle. STEP Step 32 Attach the front driveshaft to the diff using the factory straps and bolts. NOTE: IT IS NORMAL TO HAVE TO PULL THE DRIVESHAFT TO GET IT TO ATTACH TO THE YOKE.
  • Page 14 STEP STEP END SWOOPING DOWNWARD Step 34 The ends of the sway bar originally swooped upward. The sway bar will now get re-installed with the ends swooping downward, the opposite of how they were. Use the factory bolts along with the provided nuts and washers to attach the sway bar to the drop down brackets and tighten.
  • Page 15 STEP STEP Step 37 Fully tighten the upper mounting nuts and the lower mounting bolts for both struts. STEP STEP Step 38 Slide the outer CV spacer onto the end of both axles with the chamfered I.D. side facing inward. The outer CV spacer is the 2 3/4"...
  • Page 16 STEP STEP Step 40 Install the steering knuckle assembly onto the the appropriate side that you are working on with the steering arm of the knuckle facing the front of the truck. Use the factory nuts at the upper and lower ball joints and tighten to factory specs.
  • Page 17 STEP Step 43 Install the rotor and secure the factory retainer screw. STEP STEP Step 44 Unbolt the factory bracket that attaches the brakeline to the frame to gain extra slack in the line. Next, attach the brake caliper to the steering knuckle using the factory bolts and tighten. STEP STEP Step 45 Locate the new brakeline mounting bracket and attach it to the side of the coil bucket using the factory...
  • Page 18 STEP STEP Step 46 There is a mounting bracket on the middle of the soft brake line that needs to be removed. Very carefully, cut a groove in bracket where it wraps around the line. This will create a weak spot so you can use a flat head screw driver to pry the bracket open and remove it.
  • Page 19 STEP STEP Step 49 Remove the outer tie rod from the inner tie rod and mark a line 1/2" from the end of the threaded hole and cut this 1/2" section off. NOTE: MAKE SURE YOUR CUT IS STRAIGHT SO THAT THE JAM NUT TIGHTENS UP PROPERLY. STEP STEP Step 50 Mark a line 9/16"...
  • Page 20 REAR LIFT INSTALLATION NOTE: IF YOU PURCHASED THE OPTIONAL KICKER BARS, SKIP TO THE LAST PAGE INSTRUCTIONS FOR KICKER BAR INSTALL. STEP Step 50 Jack up the rear of the truck and support under the frame with jack stands. Keep an adjustable jack under the diff for height adjustment.
  • Page 21 STEP STEP Step 55 Working on one side at a time, remove the U-bolts and lower the axle down so that you have room to remove the factory lift block and insert the new one. <--- OFF-SET HOLE STEP STEP Step 56 Install the new lift block.
  • Page 22 STEP STEP Step 61 Install the new longer shocks using the factory hardware and tighten. NOTE: MAX TRAC SHOCKS MUST BE MOUNTED WITH THE BODY AT THE AXLE AND THE SHAFT AT THE FRAME OR THEY WILL NOT WORK PROPERLY. FOX SHOCKS WILL MOUNT THE OPPOSITE, WITH THE BODY ON THE FRAME AND SHAFT AT THE AXLE.
  • Page 23 RIDE HEIGHT SHEET *THIS SHEET MUST BE FILLED OUT PRIOR TO CALLING WITH ANY DISCREPENCIES YEAR MAKE MODEL 4WD / 2WD / AWD MEASUREMENTS *MOST ACCURATE MEASUREMENT IS FROM THE BOTTOM OF THE RIM, STRAIGHT UP TO THE BOTTOM OF THE FENDER *TRUE HEIGHT WONT BE ACCURATE UNTIL VEHICAL IS ALIGNED *THE VEHICLE'S CASTER WILL BE INCREASED OR DECREASED IF ONLY THE FRONT OF THE VEHICLE IS MODIFIED BEFORE AFTER DIFFERENCE DRIVER FRONT DRIVER REAR PASSENGER FRONT PASSENGER REAR...

  • Page 24: Limited Lifetime Warranty

    LIMITED LIFETIME WARRANTY Max Trac Suspension makes no warranty, expressed or implied, as to the merchantability, fitness for purpose, description, quality, productiveness, accuracy or any other matter with respect to every product, all such warranties being hereby specifically and expressly disclaimed by Max Trac. Max Trac may offer technical advice or assistance with regard to the products based on laboratory and/or field experience and customer understands and agrees that such advice represents only good faith opinions and does not constitute a warranty or guarantee.

  • Page 25: Installation Warnings

    INSTALLATION WARNINGS READ INSTRUCTIONS AND WARNINGS COMPLETELY PRIOR TO INSTALLATION. MAXTRAC IS NOT RESPONSIBLE FOR ANY DAMAGE OR INJURY DUE TO IMPROPER INSTALLATION OR MAINTENANCE. Installer is responsible to insure a safe and controllable vehicle after performing modifications. All steps and procedures described in these instructions were performed while the vehicle was properly supported on a two post vehicle lift with safety jacks.

  • Page 26: Additional Warnings

    ADDITIONAL WARNINGS WARNING Max Trac Suspension products should ONLY be installed by a certified professional mechanic with experience working on and installing suspension products. Professional knowledge and skill will typically yield the best installation results. If you need a list of installers in your area, please contact Max Trac Suspension customer service to find one of our authorized dealers.

  • Page 27: Safety Warning

    SAFETY WARNINGS SAFETY WARNING MISUSE OF THIS PRODUCT COULD LEAD TO INJURY OR DEATH. • Suspension systems or components that enhance the on and off-road performance of your vehicle may cause it to handle differently than it did from the factory. EXTREME CARE must be used to prevent loss of control or vehicle rollover during operation.

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