Front Suspension Lower Control Arm

Removal

1. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
2. Remove the tire and wheel assembly. Refer to REMOVAL AND INSTALLATION .

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3. Undo the fixing nut (1a) and place the stabilizer bar joint (1b) to one side.

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4. Undo the fixing bolt (1a), lower control arm side, and place the shock absorber (1b) to one side.

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5. Undo the nut (1) securing the lower control arm head to the steering knuckle.

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6. Disconnect the head of the lower control arm(1a) from the steering knuckle, using a suitable extractor (1b).

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7. Undo the fixing nuts (1a), body side, and remove the lower control arm(1b).

Installation 

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1. Even if the bushings (1a) do not seem to have come out of the seat, check using the special fitting tool (1b).
   NOTE:

   If one or more bushings come completely out of the seat, replace the steering knuckle.

   Tool	Name	Function
   2.000.030.600	Kit	Extracting/fitting wheel steering knuckle bushes

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2. Fit the lower control arm (1a) in its housing and tighten the fixing nuts (1b), body side.

   Component	Fixing	Dia	Value (Nm)
   Lower wishbone (to body)	Nut	M10x1.5	56 + 45°

3. Thoroughly clean the contact area between the head of the lower control arm and the stub axle using heptane.
4. Connect the head of the lower front suspension control arm to the stub axle, bring it to end of travel and tighten using a temporary nut.
   NOTE:

   The temporary nut can be used a maximum of four times.

   NOTE:

   IN ORDER TO PREVENT DAMAGE TO THE WISHBONE HEAD THREADED PIN, A MAXIMUM OF TWO REGULATIONS WITH THE TORQUE WRENCH ON THE RELEVANT FIXING NUT IS ALLOWED

   Component	Fixing	Dia	Value (Nm)
   Lower control arm head	Nut (temporary)	M12x1.25	61

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5. Connect the head (1a) of the control arm to the stub axle and tighten the NEW fixing nut (1b).
   NOTE:

   IN ORDER TO PREVENT DAMAGE TO THE CONTROL ARM HEAD THREADED PIN, A MAXIMUM OF TWO REGULATIONS WITH THE TORQUE WRENCH ON THE NEW FIXING NUT IS ALLOWED.

   Component	Fixing	Dia	Value (Nm)
   Lower control arm head	Nut (to be replaced)	M12x1.25	61

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6. Connect the stabilizer bar joint head (1a) and tighten the fixing nut (1b).

   Component	Fixing	Dia	Value (Nm)
   Stabilizer bar connecting rod	Nut	M10x1.5	50

7. Install tire and wheel assembly. Refer to REMOVAL AND INSTALLATION .
8. Perform Front End Alignment. Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE .