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WARN Performance Parts
WARN 27988
WARN 27988 Wheel Hub Set Conversion Nut Kit 600x127
[click to enlarge]
WARN 27988
Preparation:
1. Turn the ignition key OFF. Put transmission in Park (automatic) or Reverse (manual).
2. Set the parking brake and block the rear wheels. Raise the front end and support it on 2 jack stands.
WARNING
Raised vehicles can cause falling particles. WEAR SAFETY GOGGLES. Falling particles can cause eye injury.
Improperly supported vehicles can fall. DO NOT USE A JACK TO SUPPORT THE VEHICLE. USE JACK STANDS IN
PAIRS TO SUPPORT THE VEHICLE. USE JACKS OR JACK STANDS ONLY ON A HARD, STABLE, AND LEVEL
SURFACE. DO NOT EXCEED THE RATED CAPACITY OF A JACK OR JACK STANDS. An unstable vehicle can fall
and cause a crushing injury.
A rolling vehicle can cause jackstands to tip. Before working under vehicle, VERIFY THAT THE PARKING BRAKE IS SET, THE TRANSMISSION IS IN PARK (AUTOMATIC) OR REVERSE (MANUAL) AND THE REAR WHEELS ARE
BLOCKED. A tipping jackstand or vehicle can cause injury.

Remove Automatic Hubs:
Dana 30, 44, and 50 Axle (figure 1)
Remove ALL automatic hub components starting with the Torx head capscrews. Remove the flat snap-ring,
hublock body assembly, axle retaining ring (SAVE), three-piece thrust washer set (SAVE), cam assembly, lockring
key (use a small pick to find and remove), and wheel retainer.

1. Install the inner bearing nut and torque the nut to 35 ft-lb (Dana 28 and 35) or 50 ft-lb (all others) while rotating
the front disc brake hub back and forth to seat the bearing. NOTE: The inner nut has a pin or post protruding
on one side. The pin is used to index into the lockwasher.
2. Back the inner bearing nut off 90 degrees.
3. Install the lockwasher so the key is positioned in the groove of the front spindle. Tighten the inner bearing nut,
aligning the pin into the nearest lockwasher hole. Note: The lockwasher hole pattern is offset with the keyway
to provide half-position setting by flipping the washer over to obtain closest hole.
4. Install the outer bearing nut and tighten to 85 to 135 ft-lb (Dana 28 and 35) or 160 to 205 ft-lb (all others) using
the spanner locknut wrench.
5. After installing the new spindle nuts, install the factory three-piece thrust washer set per Figure 1 or 3
depending on axle type. After installing the three-piece thrust washer set onto the axle shaft, re-install the
factory axle retaining ring into the groove on the axle shaft.
Our Price: $56.97
UPC 012748279884
Free Shipping and Handling for orders over $99!
(US only. Excluding any oversize charges.)
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Performance Parts is a WARN authorized performance retailer
Product Info Related Items
Manual Hub Spindle Nut Kit

WARN® Kit PART NUMBER 27988 replaces the spindle nuts for these vehicles equipped with automatic locking hubs.
• 1983 to 1989 Ford Bronco II and Ranger

PARTS LIST
• Inside Bearing Nut with Pin (2)
• Lockwasher (2)
• Outside Bearing Nut (2)
• TOOLS NEEDED
• Torx T25 driver Wheel Bearing Locknut Socket 20-100 ft-lb torque wrench
• Snap-ring pliers Small Pick 50-250 ft-lb torque wrench


MANUAL HUB OPERATING INSTRUCTIONS:
2WD Operation:
Set both control dials at "FREE" and the transfer case selector at 2WD for free wheeling two wheel drive. Use the "FREE" position for all
driving that does not require four wheel traction.
4WD Operatio
Shipping Weight/Dimensions:
Weight:0.90 lbs
Height:4.00 in.
Length:4.25 in.
Width:4.25 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
None listed.
- Last Updated: 2016-03-31 10:16:55 -
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