LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2018 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> Suspension >> Wheel Alignment >> Front Suspension & Wheel Alignment >> Front >> Arm, Upper Control >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Arm, Upper Control: Installation

GC0117744Courtesy of CHRYSLER GROUP, LLC
  1. Position the upper control arm (5) to the vehicle.
    NOTE:

    It is necessary to pull the bottom of the shock assembly outward just enough to install the upper control arm flag bolts (1) without completely removing the shock assembly.

    NOTE:

    Tighten the upper control arm to body bolts in the following sequence: Left side, front then rear. Right side, rear then front.

  2. Install the nuts and flag bolts (1) securing the upper control arm (5) to the body and tighten to 60 N.m (44 ft. lbs.).
    GC0117739Courtesy of CHRYSLER GROUP, LLC
  3. If equipped with air suspension, install the front shock absorber. Refer to SHOCK ABSORBER, SUSPENSION, INSTALLATION .
  4. Install the upper ball joint into the knuckle.
  5. Install the upper ball joint retaining nut and tighten to 95 N.m (70 ft. lbs.).
    GC0173647Courtesy of CHRYSLER GROUP, LLC
  6. If equipped with a height sensor, connect the height sensor to the upper control arm.
  7. Install the speed sensor wiring retaining clip to the knuckle.
  8. Install the speed sensor, and install the speed sensor bolt (2) and tighten to 10.7 N.m (95 in. lbs.).
  9. Install the clevis to lower control arm bolt/nut (6) and tighten to 235 N.m (173 ft. lbs.).
  10. Install the tire and wheel. Refer to WHEELS, STANDARD PROCEDURE .
  11. Remove the supports and lower the vehicle.
    GC0145679Courtesy of CHRYSLER GROUP, LLC
  12. Tighten the three upper shock mounting nuts (1) to 28 N.m (21 ft. lbs.).
  13. If equipped, attach the wiring harness routing clip (2) to the shock mounting stud.
    GC0145675Courtesy of CHRYSLER GROUP, LLC
  14. For the right side only, position the HVAC air inlet duct (1) to the engine compartment side of the dash panel (3). Install the two nuts (2) that secure the HVAC air inlet duct (1) to the dash panel (3) and tighten to 4.5 N.m (40 in. lbs.).
    GC0145678Courtesy of CHRYSLER GROUP, LLC
  15. For the left side only, connect the steering intermediate shaft coupler (3), install the pinch bolt (1) and tighten to 45 N.m (33 ft. lbs.).
    GC0145677Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    3.6L shown, others similar.

  16. For left side only, install the air cleaner housing as follows:
    1. Press the air cleaner housing onto the body grommets and install the pushpin (2).
    2. Route and connect the weather-strip (3) to the housing inlet.
    3. Connect the PCV air return hose and the power steering hose routing clip (not shown) to the air cleaner body.
    4. Connect the fresh air intake hose to the housing cover (1) and tighten the clamp (4).
    5. Install the air cleaner.
  17. Install the cowl extension silencer and the cowl panel cover. Refer to SILENCER, COWL EXTENSION, INSTALLATION . Refer to COVER, COWL PANEL, INSTALLATION .
  18. If equipped with air suspension, with a scan tool, using the routines under the Air Suspension Control Module (ASCM), perform the following:
    • Fill Spring From Reservoir/Complete Fill on the air suspension spring on the side where the upper control arm was installed.
    • Run the Air Mass Calculation routine on the air suspension system.
    • If necessary, add to the system or deflate to atmosphere using the ASCM routines, then repeat the Air Mass Calculation routine again until system responds with Air Mass OK (188 - 216 bar-liters).
    • Enable the air suspension system.
  19. If equipped with air suspension, perform the ASCM Verification Test. Refer to STANDARD PROCEDURE .
scientia non olet · About LEMON Manuals