7636 Clybourn Ave, Sun Valley, CA, 91352
2001
-
'08 GM 2500
-
3500 HD 4WD
Ph. 818-563-1208 / Fax 818-563-1534
offroadunlimited.com
Slip Yoke Eliminator Conversion Kit
Part# 60013-30 & 60013-31
NOTICE TO DEALER / CONSUMER
WARNING: VEHICLES MODIFIED FOR OFF-ROAD USE MAY ROLL OVER
Modifications made to your vehicle suspension and/or tires whether for appearance or off-road use, may
raise the center of gravity and change handling characteristics of the vehicle.
Although vehicles modified for off-road use may be equipped to handle the off-road environment, they are
generally not designed to improve cornering and maneuverability on the highway, therefore, it is
imperative that you familiarize yourself, and all operators of the vehicle, with the special driving
characteristics of your modified off-road vehicle. If at all possible, avoid sharp turns, or abrupt maneuvers.
If you fail to operate your modified vehicle in a safe and conservative manner, you, your passengers, or
third parties may suffer property damage, serious injury, or even death if control is lost and the vehicle
overturns.
Always wear your seat belt and shoulder harness. Insist that your passengers do so. Seat belts not only
help to protect occupants from injury, but also keep the driver behind the wheel and in control when
operating in rough terrain.
Off Road Unlimited makes no warranties or representations regarding lifting devices, whether expressed
or implied. Off Road Unlimited is not responsible for any altered product, improper installation, or
improper use of products we sell. We will be happy to answer any questions you have concerning the
design, function, and correct use of the products sold by us. Please call us with your questions and ask
for our technical advisor.
Although ORU makes every effort to ensure the fit of our products, many times changes by the vehicle
manufacturer may affect their compatibility. We suggest always “test-fitting” a product prior to actual
installation.
ORU reserves the right to make changes in product design, description, application, and/or color with or
without prior notice. Although every effort has been made to ensure the accuracy of the catalog, ORU
assumes no responsibility for any printing errors that may have occurred.
The user is ultimately responsible for compliance with any individual state laws that may apply to its
modification. The vehicle’s factory warranty may be affected by the installation of aftermarket parts.
Check with your local dealer to prior to installation. The purchase of this product constitutes an
acknowledgement and understanding of this disclaimer. If this product is purchased by other than the
end-user, it is the responsibility of the purchaser to transfer this notice to the end-user.
offroadunlimited.com
page 1
ORU- GM 2500/3500 HD Slip Yoke Conversion Kit’s
60013-30 (07-08) & 60013-31 (01-06)
Part# Qty. Description
60013-30
60013-30.1 1 conversion Shaft
60013-30.2 1 yoke / washer / nut
60013-30.3 1 front seal (cr17645)
60013-30.4 1 shaft retention collar & o-ring
60013-30.5 1 allen bolt
60013-31
60013-31.1 1 conversion Shaft
60013-30.2 1 yoke / washer / nut
60013-30.3 1 front seal (cr17645)
60013-31.4 1 shaft retention collar & o-ring
60013-30.5 1 allen bolt
INSTALLATION NOTES:
• Inspect the contents of the kit and read the entire instructions before proceeding.
• We recommend this installation be performed by a qualified technician.
• Torque all hardware to factory specifications.
• Use only factory approved fluids.
• A new CV Style front driveshaft is required (1310).
offroadunlimited.com
page 2
ORU- GM 2500/3500 HD Slip Yoke Conversion Kit’s
60013-30 (07-08) & 60013-31 (01-06)
Part One: Transfer Case Removal and Modifications-
1) Remove transfer case drain plug and drain oil.
2) Remove front and rear drive shafts (if installed).
3) Unplug wire harness from transfer case.
4) Support transfer case. Remove attaching nuts and transfer case.
5) Mark location of wires and speed sensors. The sensors will need to re-installed in the original
locations.
6) Remove the bolts holding the case halves together. On some models, you will have to remove the
external shift mechanism to access the attaching bolt (photo 1).Remove the rubber access plug to expose
the snap ring. Remove the spring loaded detent from the lower portion of the transfer case (photo 2).
Open snap ring and separate case halves. Set the back half aside.
offroadunlimited.com
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Photo 1
Photo 2
ORU- GM 2500/3500 HD Slip Yoke Conversion Kit’s
60013-30 (07-08) & 60013-31 (01-06)
7) Pull output shaft back slightly to relieve tension on drive chain. Remove drive chain and set aside
(photo 3).
Photo 3
8) Tap output shaft out of seal and set aside.
9) Drive front output seal from case from inside.
10) Remove inner bearings from output shaft. Be sure to note bearing depths and re-install in same
position after machine work. Remove steel plug from inside shaft and discard. Machine 1.5" from shaft as
shown in photo 4.
Before
After
offroadunlimited.com
page 4
Photo 4
ORU- GM 2500/3500 HD Slip Yoke Conversion Kit’s
60013-30 (07-08) & 60013-31 (01-06)
11) Install new front output shaft seal. Re-install machined factory shaft in case.
12) Install new front inner shaft from front as shown. Install cap assembly from inside case. Secure cap
with allen bolt and loctite. Torque to 75-90 ft. lbs. (photos 5 & 6). Install new front yoke, washer, and nut
(photo 7).
Photo 5
Photo 6
offroadunlimited.com
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ORU- GM 2500/3500 HD Slip Yoke Conversion Kit’s
60013-30 (07-08) & 60013-31 (01-06)
Photo 7
13) Re-assemble transfer case in reverse order of disassembly.
14) Fill transfer case with oil after installation.
WARRANTY POLICY
ORU (Off Road Unlimited) extends a lifetime warranty on their products to the original purchaser. The warranty covers defects in
material and workmanship. This warranty does not apply to wear items such as brakes, steering components, u-joints, etc., or to
products sold by, but not manufactured by ORU. Application of this warranty is subject to inspection of the product by ORU and at
their sole discretion. ORU is not responsible for shipping charges incurred to submit product for inspection, or its return if the
warranty is declined. This warranty does not cover parts that have been modified, applied outside the intended application, or
subjected to abuse. This warranty applies solely to the ORU product and does not extend to any incidental damage(s) or incurred
cost(s). No other warranties/guarantees are expressed or implied. All warranty claims must be accompanied by the original receipt,
or reasonable facsimile. To apply for warranty consideration, contact the ORU Customer Service Department at 818-563-1208.
offroadunlimited.com
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rev 11-08
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