K 2500 Truck 4WD V8-379 6.2L DSL (1988)
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Remove the other end of the tie rod from the adjuster tube. Discard the tie rod. Save the clamp and nut.
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Remove and retain the knuckle seal.
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Remove the upper and lower ball studs from the knuckle. Use tool J36607.
FLOOR JACK MUST REMAIN UNDER THE LOWER CONTROL ARM DURING REMOVAL AND INSTALLATION OF THE KNUCKLE.
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Position a floor jack under the lower control arm. Raise the jack until it just supports the
lower control arm.
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Remove and discard the knuckle.
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Install new knuckle. Torque upper ball joint nut to 90 N-m (66 ft.lbs.), and the lower ball
joint nut to 128 N-m (94 ft.lbs.). Tighten the nuts to align the cotter pins. Do not tighten more than 1/6 turn. Install new cotter pins.
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Reinstall axle shaft bolts to the differential. Torque bolts to 80 N-m (59 ft.lbs.).
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Reinstall knuckle seal.
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Reinstall splash shield, Torque bolts to 16 N-m (12 ft.lbs.).
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Install new outer tie rod to the adjuster tube. The number of threads on both the inner and outer rod ends must be within three threads. The clamp
and bolt should be positioned as shown in Figure No. 3.
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Seat the tie rod ball stud in the knuckle using tool J29193. Torque nut to 54 N-m (40 ft.lbs.).
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Reinstall hub and bearing assembly. Tighten bolts to 90 N-m (66 ft.lbs.).
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Install washer and nut on axle shaft. Tighten nut to 235 N-m (173 ft.lbs.).
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Reinstall brake disc and caliper. Tighten caliper mounting bracket bolts to 38 N-m (28 ft.lbs.).
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Reinstall wheel and tire assembly. Torque nuts to 123 N-m (90 ft.lbs.).
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Repeat required steps to replace outer tie rod and knuckle on opposite side of truck, if required.
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Lube tie rod ball studs with chassis lube part number 1052497 or equivalent.
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Lower vehicle.
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Refill master cylinder with Delco Supreme II, part number 1052535, or Dot 3 brake fluid and bleed brake system if required.
FIGURE NO. 5
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Readjust the toe-in alignment. Refer to Figure No. 5 for specifications. Torque clamp nut at tie rod adjuster tube to 20 N-m (15 ft.lbs.).
Parts, Warranty, Campaign and Procedure Information
PARTS INFORMATION
Parts are to be obtained from General Motors Service Parts Operation (GMSPO). To ensure that these parts will be obtained as soon as possible, they
should be ordered from GMSPO on a C.I.O. order with no special instruction code, but order on an advise code (2).
Part
Number
Description
Quantity
11514337
Cotter Pin - Ball Joint to
2
