Download Print this page
IHC suspension GM 1500 Instructions Manual

IHC suspension GM 1500 Instructions Manual

5” rear drop- reverse hanger

Advertisement

Quick Links

2007-2018 GM 1500
5" rear drop- reverse hanger
Applies to all 2wd and 4WD. All cabs.
IF your IHC Suspension product has a damaged or missing part,
please contact customer service directly and a new replacement
part will be sent to you immediately. For warranty issues, please
return to the place of installation and contact IHC Suspension.
(956) 424-6901
Monday-Friday 8AM-6PM CST
Or
EMAIL:
Sales@ihcsuspension.com
WEBSITE: www.ihcsuspension.com
LIMITED LIFETIME WARRANTY
This unique product warranty proves our commitment to the quality and reliability of every product that IHC Suspension
manufactures. The IHC Suspension product warranty only extends to the original purchaser of any IHC Suspension
product, if it breaks, we will give you a new part. Warranty does not apply to discontinued parts.
Our Limited Lifetime Warranty excludes the following IHC Suspension items, bushings, bump stops, ball joints, and shock
absorbers. These parts are subject to wear and are not considered defective when worn. They are warranted for 12
months from the date of purchase for defects in workmanship.
This product warranty is voided if the vehicle is not aligned after kit installation and proper maintenance is routinely
done.
Product purchased directly from IHC Suspension has a 30-day return policy on uninstalled products from the date of
purchase (may be subject to restocking fee). Uninstalled product returns must be in the original IHC Suspension
packaging. Please call 956-424-6901 to get an RMA# for any return. Customer is responsible for shipping costs back to
IHC Suspension. Returns without RMA# will be refused. Contact IHC Suspension directly about any potentially defective
parts prior to removal from vehicle.
IHC Suspension products are NOT intended for off-road abuse. Any damage or failure as a result of abuse voids the
warranty of the IHC Suspension product. IHC Suspension is NOT responsible for any subsequent damages to any related
vehicle parts due to misuse, abuse, improper installation, or lack of maintenance. Furthermore, IHC Suspension reserves
the right to change, modify or cancel this warranty without prior notice.

Advertisement

loading
Need help?

Need help?

Do you have a question about the GM 1500 and is the answer not in the manual?

Questions and answers

Summary of Contents for IHC suspension GM 1500

  • Page 1 IHC Suspension products are NOT intended for off-road abuse. Any damage or failure as a result of abuse voids the warranty of the IHC Suspension product. IHC Suspension is NOT responsible for any subsequent damages to any related vehicle parts due to misuse, abuse, improper installation, or lack of maintenance.
  • Page 2: Safety Warning

    It is the responsibility of the retailer and/or the installer to review all state and local laws, with the end user of this product, related to bumper height laws and the lowering of their vehicle before the purchase and installation of any IHC Suspension products.
  • Page 3 It is imperative that you record the following measurements and factory components in the tables below. IHC Suspension tests and records as much data from each application as available at the time of product development. Vehicle manufacturers may change components or add models with different options.
  • Page 4: Installation Warning

    Professional knowledge and skill will typically yield the best installation results. If you need an installer in your area, please contact IHC Suspension Customer Service to find one of our IHC Suspension Authorized dealers.
  • Page 5 1. Disconnect the negative terminal on the battery. Jack up the front end of the truck and support the frame rails with jack stands. 2. Install jack stand in front to properly secure vehicle. NEVER WORK UNDER AN UNSUPPORTED VEHICLE! Remove the rear tires and Support rear differential with jack.
  • Page 6 5. Disconnect ABS wiring clip and connector on DRIVER side. NOTE: DO NOT damage red safety clip. Unclip ABS clip Disconnect ABS connector 6. Disconnect BRAKE line clip and wiring harness on DRIVER side Disconnect brake clip Unclip wiring from frame...
  • Page 7 7. Remove BRAKE bracket. Refer to pic. Remove brake bracket Bracket removed 8. Remove PARKING BRAKE hanger and bracket. Refer to pic Remove Remove Remove...
  • Page 8 9. Remove U bolts and lower DIFF down several inches while checking ABS wiring and brake line. NOTE do not over extend any lines. Refer to PIC Remove U bolts Lower DIFF down 10. The TOW hitch must be removed. Refer to pics. Remove Remove...
  • Page 9 11. Remove 13mm behind license plate. There are 2. One on each side. Refer to pic. Remove Remove 12. Carefully with the help of 2 person. REMOVE TOW HITCH Hitch Removed Tow Hitch...
  • Page 10 13. Unclip rear exhaust hanger. Refer to pic Unclip hanger 14. Remove rear shackles from hanger on both sides. Refer to pic Remove shackles Remove shackles...
  • Page 11 15. With the help of 2 person. Move transmission jack over to PASS side while flipping the leaf under DIFF. Repeat to both sides. Refer to pic NOTE: CAREFULL NOT TO PULL DIFF TO FAR BACK. DRIVESHAFT MAY FALL OUT OF TRANSMISSION! Flipping axle DRIVER side Flipping axle PASS side Move axle...
  • Page 12 17. Flip leaf pack center pin bolt. Clamp leaf pack and with vise grip hold head of bolt. Refer to pic below. 18. Rear bump stops must be completely removed. Remove bump stop grommet and cut bump stop flush with frame.
  • Page 13 19. IF truck is single cab skip to step 27. (single cab 5” rear drop includes IHC 1” lift shackles) 20. Remove rear OEM hanger. You will need to cut x on rivets and with air hammer remove. Refer to pic Cut X into rivet Hammer river out 21.
  • Page 14 22. Present IHC hanger to frame. Move hanger upward til meets bed pinch weld. Make a marking on both sides. Refer to pic. Mark hanger 23. With cutting wheel cut upward to bend. With hammer bend pinch weld. Refer to pics Bend to make clearance CUT Here...
  • Page 15 24. Install IHC reverse hanger to highest setting. Use IHC hardware that was included. TORQUE to 55FT-lbs Bolt up hanger TORQUE to 55FT-LBS 25. Trim OEM shackle bolt. Perform step 23. And 24 on PASS and DRIVER side. Refer to pic Cut ¼”...
  • Page 16 26. Raise leaf pack and install OEM shackle on IHC reverse hanger. DO NOT tighten yet. 27. Install IHC flip kit saddle. Refer to pic on left. 28. Raise DIFF upward and install top plate and bottom plate. TORQUE U BOLTS to 110 FT-LBS. Install top plate, bottom plate, and U bolts Install saddle 29.
  • Page 17 30. Re-install trailer hitch 31. Install the wheels and lower the vehicle to the ground. 32. TORQUE rear shackle to 100 FT-LBS 33. Torque the lug nuts to the wheel manufacturers specs. Jounce the vehicle to settle the suspension to the new ride height.