Mitsubishi Galant/Mirage/Diamante 1990-2000

Lower Control Arms

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REMOVAL & INSTALLATION



1990-93 Galant
  1. Disconnect the negative battery cable.
  2.  
  3. Raise the vehicle and support safely.
  4.  
  5. Remove sway bar links or mounting nuts and bolts from lower control arm. Remove the joint cups and bushings, if equipped.
  6.  
  7. Disconnect the ball joint stud from the steering knuckle, using tool MB990635 or equivalent.
  8.  


NOTE
It is important to use proper method when separating joints. Damage to joint could occur, resulting in possible failure.

  1. Remove the inner lower arm mounting bolts and nut.
  2.  
  3. Remove the rear mount bolts. Remove the rear retainer clamp if equipped.
  4.  
  5. Remove the arm from the vehicle.
  6.  
  7. Remove the rear rod bushing, if service is required.
  8.  

To install:

  1. Assemble the control arm and bushing. Install the control arm to the vehicle and install the inner mounting bolts. Install new nut and snug temporarily.
  2.  
  3. Install the rear mount clamp, bolts and replacement nuts. Tighten the clamp mounting nuts to 34 ft. lbs. (47 Nm). Temporarily tighten the clamp mounting bolt. Once the weight of the vehicle is on the suspension, the bolt will be tightened to 72 ft. lbs. (100 Nm).
  4.  
  5. Connect the ball joint stud to the knuckle. Install a new nut and tighten to 43-52 ft. lbs. (60-72 Nm).
  6.  
  7. Install the sway bar and links.
  8.  
  9. Lower the vehicle to the floor for the final torquing of the inner frame mount bolt.
  10.  
  11. Once the full weight of the vehicle is on the suspension, tighten the inner lower arm mounting bolt nuts to 87 ft. lbs. (120 Nm). Tighten the inner clamp mounting bolt to 72 ft. lbs. (100 Nm).
  12.  
  13. Inspect all suspension bolts, making sure they all have been fully tightened.
  14.  
  15. Connect the negative battery cable.
  16.  

1994-00 Galant
LOWER CONTROL ARM


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Fig. Remove the through-bolt connecting the knuckle assembly to the lower control arm



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Fig. Remove the mounting bolt connecting the lower control arm to the suspension crossmember

  1. Raise and support the vehicle safely.
  2.  
  3. Remove the appropriate wheel assembly.
  4.  
  5. If equipped with ABS, disconnect the speed sensor harness brackets from the lower control arm.
  6.  
  7. Disconnect the stabilizer bar link from the lower control arm.
  8.  
  9. Remove the through-bolt, connecting the knuckle assembly to the lower control arm.
  10.  
  11. Remove the mounting bolt connecting the lower control arm to the suspension crossmember.
  12.  
  13. Remove the lower control arm from the vehicle.
  14.  

To install:


NOTE
The control arm mounting bolts must not be fully tightened until the full weight of the vehicle is on the ground.

  1. Install the control arm to the suspension crossmember and temporarily tighten the mounting bolt.
  2.  
  3. Connect the knuckle to the lower control arm and lightly tighten the through-bolt.
  4.  
  5. Connect the stabilizer bar link to the control arm and tighten the nut to 28 ft. lbs. (39 Nm).
  6.  
  7. Install the wheels and lower the vehicle to the floor.
  8.  
  9. Once the full weight of the vehicle is on the suspension, tighten the lower arm mounting bolt nuts to 71 ft. lbs. (98 Nm).
  10.  
  11. Check rear wheel alignment and adjust if necessary.
  12.  

TOE LOWER CONTROL ARM


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Fig. Disconnect the ball joint stud from the steering knuckle



Click image to see an enlarged view

Fig. Remove the mounting bolt connecting the toe lower control arm to the suspension crossmember

The lower ball joint is integral with the lower toe control arm. They are removed and replaced as an assembly.

  1. Raise and support the vehicle safely.
  2.  
  3. Remove the appropriate wheel assembly.
  4.  
  5. Matchmark the control arm adjusting bolt to aid in reassembly.
  6.  
  7. Using joint separator MB991113, disconnect the ball joint stud from the steering knuckle.
  8.  
  9. Remove the mounting bolts connecting the lower control arm to the suspension crossmember.
  10.  

To install:

  1. Connect the control arm to the suspension crossmember. Align the matchmarks on the adjustment bolt and lightly tighten the bolt.
  2.  
  3. Connect the ball joint stud to the knuckle and tighten the nut to 20 ft. lbs. (28 Nm).
  4.  
  5. Install the wheels and lower the vehicle to the floor.
  6.  
  7. With the full weight of the vehicle on the ground, tighten the control arm through-bolt to 50-56 ft. lbs. (69-78 Nm).
  8.  
  9. Check rear wheel alignment and adjust if necessary.
  10.  

Diamante
  1. Raise and properly support vehicle. Remove appropriate wheel assembly.
  2.  
  3. Matchmark the camber adjusting bolt to aid in reassembly.
  4.  
  5. On vehicles equipped with Active Suspension, disconnect the ECS height sensor rod from lower arm.
  6.  
  7. Support trailing arm assembly and remove the self-locking nut connecting the lower arm to the trailing arm.
  8.  
  9. Disconnect the lower arm at the rear subframe. Remove the arm assembly.
  10.  

To install

  1. Connect the control arm to the rear crossmember. Align matchmarks and lightly tighten.
  2.  
  3. Connect the control arm to the trailing arm and tighten the self-locking nut to 54-61 ft. lbs. (75-89 Nm).
  4.  
  5. Connect the ECS height sensor rod to the lower arm, if equipped.
  6.  
  7. Install wheel and lower vehicle.
  8.  
  9. With the full weight of the vehicle on the ground, tighten the control arm to rear crossmember bolt to 54-61 ft. lbs. (75-89 Nm).
  10.  
  11. Check rear wheel alignment and adjust if necessary.
  12.  

 
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