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Frame & Bumpers: Other Jeep Commander I

Frames, Subframes & Crossmembers 47 illustrations ~2038 words

FRONT FASCIA MOUNTING BRACKET

  1. Position the fascia mounting bracket (1) over the bumper beam.
  2. Install the push pin fasteners (4) and screws (3).
  3. Install the fascia. See «INSTALLATION»(ref-288249-S10580601242008062000000) .

Scheme 5

Scheme 5: FASCIA-FRONT
Scheme 5: FASCIA-FRONT

Scheme 6

Scheme 6
Scheme 6

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Scheme 7
Scheme 7

Scheme 8

Scheme 8
Scheme 8
  1. Remove the grille. Refer to «REMOVAL»(ref-288230-S13820130502008062000000) .
  2. Remove the push pin fasteners (3) along the top of the fascia (1).
  3. Remove the plastic rivets (3) at each wheelhouse splash shield (1).
  4. Remove the screws (3) from inside the fascia (2).
  5. Remove the two lower screws (2).
  6. Disconnect the fog lamp electrical connectors, if equipped.

FASCIA-FRONT

  1. Position the fascia (1) onto the vehicle and align the fascia flange slot onto the t-push pin (2).
  2. Install the four upper push pin fasteners (3).
  3. Install the two upper screws (3) on the inside of the fascia (4) to the fender (1).
  4. Install the two lower screws (2).
  5. Connect the fog lamp electrical connectors, if equipped.
  6. Install new plastic rivets (3) at each wheelhouse splash shield (1).

Scheme 9

Scheme 9: FASCIA-REAR
Scheme 9: FASCIA-REAR

Scheme 10

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Scheme 10

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Scheme 11

Scheme 12

Scheme 12
Scheme 12
  1. Open the liftgate.
  2. Remove the four push pin fasteners (1) and 2 screws (2) at the step pad area.
  3. Remove the plastic rivets at the wheel wells (1).
  4. Remove the two push pin fasteners and remove the rear wheel splash shields.
  5. Remove the nuts (1) at the back sides of the quarter panels (2).
  6. Remove the fascia (8) and disconnect the electrical connector (6 & 7).
  7. Remove the two push pin fasteners (3).
  8. Remove the four push pin fasteners and the energy absorber.
  9. Disconnect the park assist electrical sensors.
  10. Remove the park assist sensors.

FASCIA-REAR

  1. Install the park assist sensors, if equipped.
  2. Install the energy absorber and install the four push pin fasteners.
  3. Position the fascia onto the vehicle and connect the electrical connector.
  4. Install the two push pin fasteners (3).
  5. Slightly spread the sides of the fascia to clear the painted surfaces.
  6. Direct the slots in the upper sides of the fascia onto the two t-pushpins (4) on either side.
  7. Install the two screws (2) and four push pin fasteners (1).
  8. Install the two lower push pin fasteners (3).
  9. Install the nuts (1) and tighten to 9 N.m (80 in. lbs.).
  10. Install new rivets (1) attaching the wheelhouse splash shields (4) to the fascia.

VEHICLE PREPARATION

Position the vehicle on a frame alignment rack, refer to instructions provided with equipment being used. Adjust the vehicle PLP heights to the specified dimension above the work surface (datum line). Vertical dimensions can be taken from the datum line to the locations indicated were applicable.

DESCRIPTIONFIGURE
FRAME DIMENSIONS - BOTTOM VIEW(Scheme 13).
FRAME DIMENSIONS - SIDE VIEW(Scheme 14).

VEHICLE DESCRIPTION

Scheme 13

Scheme 13
Scheme 13

Scheme 14

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Scheme 15

Scheme 15: CRADLE-REAR BODY
Scheme 15: CRADLE-REAR BODY

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Scheme 28

Scheme 28
Scheme 28
  1. Remove the rear fascia. See «REMOVAL»(ref-288249-S22547738412008062000000) .
  2. Remove the spare wheel.
  3. Remove the tail lamps.
  4. Disconnect the tire pressure monitor sensor, if equipped.
  5. Separate the right harness hangers and position the harness through the cradle.
  6. Disconnect the vapor canister electrical connector.
  7. Disconnect the vapor canister hoses.
  8. Loosen the upper two canister nuts.
  9. Remove the lower canister nut (2) and remove the vapor canister (1).
  10. Separate the left harness hangers and position the harness through the cradle.
  11. Disconnect trailer wiring electrical connector (1).
  12. Lube filler neck grommet to aid with removal of the filler neck.
  13. Disconnect vapor canister line (2).
  14. Disconnect the fuel line (1).
  15. Loosen the clamp (4) and disconnect the fuel filler hose (3).
  16. Remove the bolt (1) supporting the fuel filler tube (2).
  17. Separate and remove the fuel filler neck.
  18. Remove the outer bolt (2 and 3) and disconnect the track bar (1).
  19. Separate the exhaust hangers (1 and 2) and support the exhaust.
  20. Using a grease pencil or equivalent, mark the location of the body cradle (3) on the underbody to aid installation.
  21. Support the cradle (3) with a suitable lifting device.
  22. Remove the upper cradle bolts (2).
  23. Remove the side cradle bolt (1).
  24. Remove the rail bolts (4) and remove the cradle (3).

Scheme 29

Scheme 29
Scheme 29
  1. Install the cradle and install the rail bolts (4).
  2. Align the cradle to the marks made previously.
  3. Tighten the bolts (4) to 108 N.m (80 ft. lbs.).
  4. Install the side cradle bolt (1).
  5. Tighten the bolt (1) to 108 N.m (80 ft. lbs.).
  6. Install the upper cradle bolts (2).
  7. Tighten the bolts (2) to 102 N.m (75 ft. lbs.).
  8. Connect the exhaust hangers (1 and 2).
  9. Attach the track bar (1) and install the outer bolt (3) and nut (2).
  10. Tighten the bolt (3) to 190 N.m (140 ft. lbs.).
  11. Verify that the fuel filler tube grommet is in place and lube the grommet to aid installation of the filler tube.
  12. Install the filler tube through the grommet.
  13. Install the bolt (1) supporting the fuel filler tube (2) and tighten to 14 N.m (10 ft. lbs.).
  14. Connect the fuel filler hose (3) to the fuel tank and install the clamp (4).
  15. Connect the fuel line (1).
  16. Connect the vapor canister line (2).
  17. Connect the trailer wiring electrical connector (1).
  18. Position the left wire harness through the cradle and secure the harness hangers.
  19. Install the vapor canister (1) and install the lower canister nut (2).
  20. Tighten the nuts to 24 N.m (17 ft. lbs.).
  21. Connect the vapor canister hoses.
  22. Connect the vapor canister electrical connector.
  23. Position the right wire harness through the cradle and secure the harness hangers.
  24. Connect the tire pressure monitor sensor, if equipped.
  25. Install the fascia. See «INSTALLATION»(ref-288249-S29576295282008062000000) .
  26. Install the spare wheel.

Scheme 30

Scheme 30: CROSSMEMBER-ENGINE CRADLE
Scheme 30: CROSSMEMBER-ENGINE CRADLE

Scheme 31

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Scheme 31

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Scheme 37

Scheme 37
Scheme 37
  1. Support engine using engine support fixture No. 8534 or equivalent.
  2. Remove the front skid plates. See «REMOVAL»(ref-288249-S29990825932008062000000) .
  3. Remove the rotors. Refer to «REMOVAL»(ref-288221-S02615670112008062000000) . NOTE: Do not twist the boot anytime during removal or installation.
  4. Remove the outer tie rod end (2) nut (1) from the ball stud.
  5. Separate the outer tie rod end (3) from the knuckle with puller tool No. 8677 (5).
  6. Remove the upper ball joint nut.
  7. Separate the upper ball joint (2) from the knuckle (3) using puller tool No. 8677 (1).
  8. Remove the axle nuts and reinstall a couple threads.
  9. Disconnect the speed sensors (2) and separate the harness from the support clips (1). 1 - KNUCKLE 2 - C-4150A
  10. Remove the lower ball joint nut.
  11. Separate the lower ball joint from the knuckle (1) using puller tool No. C-4150A (2).
  12. Remove the axle nuts (3) and remove the knuckles (1) from the vehicle.
  13. Remove the lower clevis bolts.

Scheme 38

Scheme 38: On 4WD models
Scheme 38: On 4WD models

Scheme 39

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Scheme 39

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Scheme 40

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Scheme 41

Scheme 42

Scheme 42
Scheme 42
  1. Disconnect the electrical connector (1), if equipped, and the vent hose (2).
  2. Remove the right halfshaft.
  3. Separate the propeller shaft as necessary, and position out of the way. Refer to «REMOVAL»(ref-288228-S28620623152008062000000) .
  4. Drain the differential.
  5. Support the differential with a suitable lifting device.
  6. Remove the front differential front bolts.
  7. Remove the differential right bolt.
  8. Remove the differential rear bolt.
  9. Remove the differential assembly with the left halfshaft still attached.
  10. Loosen the engine mount bolts.
  11. Raise the engine so that the weight is off of the mount bolts.
  12. Secure the steering wheel in the straight ahead position.
  13. Remove the steering gear as necessary. Refer to «REMOVAL»(ref-288224-S16832567442008062000000) .
  14. Support the cradle with suitable lifting device.
  15. Using a grease pencil or equivalent, mark the location of the engine support cradle on the underbody.
  16. Remove the four bolts at each corner and lower the cradle.
  17. Remove the lower control arms.
  18. Remove the sway bar.

Scheme 43

Scheme 43
Scheme 43
  1. Install the sway bar onto the engine cradle as necessary. Refer to «INSTALLATION»(ref-288219-S32818970852008062000000) .
  2. Install the lower control arms as necessary. Refer to «INSTALLATION»(ref-288219-S07564788582008062000000) .
  3. Raise the engine cradle into position guiding the engine mount bolts into the engine cradle slots.
  4. Install the four engine cradle bolts (1 & 2).
  5. Align the engine cradle to the marks made during removal and tighten the front bolts (1) to 203 N.m (150 ft. lbs.).
  6. Tighten the rear bolts (2) to 122 N.m (90 ft. lbs.).
  7. Install the steering gear as necessary. Refer to «INSTALLATION»(ref-288224-S33454681122008062000000) .
  8. Lower the engine fully onto the engine mounts.
  9. Tighten the engine mount bolts to 111 N.m (82 ft. lbs.).
  10. Position the front differential into the vehicle and install the bolts.
  11. Tighten the rear bolt to 102 N.m (75 ft. lbs.).
  12. Tighten the right differential bolt to 102 N.m (75 ft. lbs.).
  13. Tighten the front differential front bolts to 54 N.m (40 ft. lbs.).
  14. Install the propeller shaft as necessary. Refer to «INSTALLATION»(ref-288228-S23542742802008062000000) .
  15. Install the right halfshaft onto the differential.
  16. Connect the electrical connector (1) (if equipped) and the vent hose (2).
  17. Install the lower clevis bolts and tighten to 169 N.m (125 ft. lbs.).
  18. Install the knuckles (1) and install the halfshaft nut (3) (if equipped).
  19. Tighten the halfshaft nut (3) to 251 N.m (185 ft. lbs.) (if equipped).
  20. Install the lower ball joint into the knuckle.
  21. Install the lower ball joint nut (4) and tighten the nut to 81 N.m (60 ft. lbs.).
  22. Install the upper ball joint into the knuckle.
  23. Install the upper ball joint nut (2). Tighten the nut to 81 N.m (60 ft. lbs.).
  24. Install the outer tie rod end into the steering knuckle.
  25. Tighten the ball stud nut (5) on the ball stud to 75 N.m (55 ft. lbs.).
  26. Connect the speed sensor electrical connectors (2) and fasten the harness support clips (1) fully.
  27. Install the rotors. Refer to «INSTALLATION»(ref-288221-S16031333742008062000000) .
  28. Check and fill the front differential as necessary. Refer to «SPECIFICATIONS»(ref-288217-S03476297422008062000000) .
  29. Install the front skid plates. See «INSTALLATION»(ref-288249-S39408577712008062000000) .
  30. Check and adjust front wheel alignment as necessary. Refer to «STANDARD PROCEDURE»(ref-288219-S30160276392008062000000) .

Scheme 44

Scheme 44: CROSSMEMBER-REAR/TRANSMISSION
Scheme 44: CROSSMEMBER-REAR/TRANSMISSION
  1. Remove the skid plate. See «REMOVAL»(ref-288249-S37369514972008062000000) .
  2. Support the transmission with a suitable lifting device.
  3. Remove the four transmission mount bolts (1).
  4. Remove the eight crossmember bolts (2) and remove the crossmember.

CROSSMEMBER-REAR/TRANSMISSION

  1. Install the crossmember and install the eight crossmember bolts (2).
  2. Tighten the crossmember bolts to 54 N.m (40 ft. lbs.).
  3. Remove the lifting device.
  4. Install the four transmission mount bolts (1) and tighten to 54 N.m (40 ft. lbs.).
  5. Install the skid plate. See «INSTALLATION»(ref-288249-S01014241992008062000000) .

Scheme 45

Scheme 45: HOOK-FRONT TOW
Scheme 45: HOOK-FRONT TOW
  1. Remove the nuts (2) and remove the tow hook (1).

Scheme 46

Scheme 46: Stud Plates
Scheme 46: Stud Plates
  1. Remove the front fascia. See «REMOVAL»(ref-288249-S09630054822008062000000) .
  2. Release the clip fasteners and remove the stud plates (1 & 2).

HOOK-FRONT TOW

  1. Install the stud plates (1 & 2) through the holes in the front bumper beam.
  2. Install the tow hook (1) and install the nuts (2).
  3. Tighten the nuts to 68 N.m (50 ft. lbs.).
  4. Install the front fascia. See «INSTALLATION»(ref-288249-S10580601242008062000000) .

Scheme 47

Scheme 47: REAR TOW HOOK
Scheme 47: REAR TOW HOOK
  1. Remove the rear fascia. See «REMOVAL»(ref-288249-S22547738412008062000000) .
  2. Loosen the bolt (3).
  3. Remove the brace nut and separate the brace (4).
  4. Remove the mounting nuts (2) and remove the hook (5).

Scheme 48

Scheme 48: REAR TOW EYE
Scheme 48: REAR TOW EYE
  1. Remove the mounting nuts (2) and remove the eye (3).

REAR TOW HOOK

  1. Install the tow hook (5) and install the nuts (2).
  2. Tighten the nuts (2) to 88 N.m (65 ft. lbs.).
  3. Tighten the brace bolt (3) to 88 N.m (65 ft. lbs.).
  4. Install the rear fascia. See «INSTALLATION»(ref-288249-S29576295282008062000000) .

REAR TOW EYE

  1. Install the tow eye (3) and install the mounting nuts (2).
  2. Tighten the nuts to 88 N.m (65 ft. lbs.).

Scheme 49

Scheme 49
Scheme 49
  1. Remove the rear fascia. See «REMOVAL»(ref-288249-S22547738412008062000000) .
  2. Disconnect the trailer wiring connector (1) harness. NOTE: 7-way connector shown in illustration, 4 way is similar.
  3. Remove the bolts (3) and remove the hitch (2).

HITCH-TRAILER

  1. Install the hitch (2) onto the rear body cradle (1) and install the bolts (3).
  2. Tighten the bolts (3) to 156 N.m (115 ft. lbs.).
  3. Connect the trailer connector wire harness (1). NOTE: 7-way connector shown in illustration, 4 way is similar.
  4. Install the rear fascia. See «INSTALLATION»(ref-288249-S29576295282008062000000) .

Scheme 50

Scheme 50: SKID PLATE-FRONT
Scheme 50: SKID PLATE-FRONT
  1. Remove the four bolts (2) and remove the skid plate (1).

SKID PLATE-FRONT

  1. Install the skid plate (1) and install the four bolts (2).
  2. Tighten the bolts to 28 N.m (21 ft. lbs.).

Scheme 51

Scheme 51: SKID PLATE-TRANSFER CASE
Scheme 51: SKID PLATE-TRANSFER CASE
  1. Raise and support the vehicle.
  2. Remove the crossmember bolts (1).
  3. Remove the nuts (3) and remove the skid plate.

SKID PLATE-TRANSFER CASE

  1. Install the skid plate and install the crossmember bolts (1).
  2. Tighten the bolts to 47 N.m (35 ft. lbs.).
  3. Install the nuts and tighten to 81 N.m (60 ft. lbs.).

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