The subframe is the power unit of the front suspension, to which the lower arms of the front suspension, the steering gear, the lower support of the power unit are attached

The subframe consists of two parts, front and back

Location of parts of the front suspension subframe: 1 — the front of the subframe; 2.8 — subframe mounting brackets; 3.9 — front suspension arms; 4.10 - ball bearings; 5 - lower support of the power unit; 6.11 — tie rod ends; 7 - bar stabilizer bar; 12 — steering mechanism; 13 - bracket for attaching the stabilizer bar; 14 — rear part of the subframe

The location of the subframe elements is shown in Figure 1.

To remove the subframe, you will need tools: wrenches for 10, 16, 18, tool heads for 16, 18, a flat screwdriver.

Removing the front part of the subframe

Removing the subframe of a Renault Megane 2

Remove the crankcase protection and engine mudguard.

Remove the front wheel arch liners

Removing the subframe of a Renault Megane 2

We substitute a support under the front of the subframe

Removing the subframe of a Renault Megane 2

We unscrew the four bolts securing the bracket of the front of the subframe to the body

Removing the subframe of a Renault Megane 2

Remove the bracket

Removing the subframe of a Renault Megane 2

Unscrew the nut securing the front of the subframe to the rear of the subframe.

Removing the subframe of a Renault Megane 2

Unscrew the bolt securing the front of the subframe to the body. We also perform all operations on the other side.

Removing the subframe of a Renault Megane 2

Remove the front part of the subframe.

Removing the rear part of the subframe

Disconnect the negative battery terminal

Removing the subframe of a Renault Megane 2

Set the steering wheel to the straight position.

We brake the car with a parking brake and install the rear wheel chocks.

Removing the subframe of a Renault Megane 2

We unscrew the coupling bolt of the terminal connection of the cardan joint of the intermediate shaft to the steering gear shaft.

Loosen the front wheel bolts.

We raise the front of the car and set it on reliable stops.

Removing the subframe of a Renault Megane 2

Remove the crankcase protection

Remove the front wheel arch liners

Removing the subframe of a Renault Megane 2

Place the support under the back of the stretcher

Removing the subframe of a Renault Megane 2

Remove the wheel speed sensor harness holder from the front suspension arm

Removing the subframe of a Renault Megane 2

We press the tie rod end pivot pin out of the steering knuckle hole (article - How to replace Renault Megan 2 tie rod ends)

Removing the subframe of a Renault Megane 2

We press the pin of the ball joint of the front suspension arm from the hole of the steering knuckle

Removing the subframe of a Renault Megane 2

Removing the subframe of a Renault Megane 2

Remove the upper anti-roll bar mount hinge from the shock strut bracket

Removing the subframe of a Renault Megane 2

We unscrew the two bolts of the rear subframe bracket

Removing the subframe of a Renault Megane 2

We unscrew the bolt securing the left bracket of the rear of the subframe to the body.

We also do these operations on the other side.

Removing the subframe of a Renault Megane 2

We unscrew the two bolts of the power unit support bracket

Removing the subframe of a Renault Megane 2

Remove the bracket

Removing the subframe of a Renault Megane 2

Remove the rear part of the subframe by lowering it on the racks.

Install the parts of the subframe and all the parts in reverse order.

Tightening torques

Nut for fastening the tie rod end to the steering knuckle - 37 Nm

Gimbal clamp clamp bolt - 21 Nm

Ball pin nut - 62 Nm

Subframe mounting bolts - 105 Nm

Subframe mounting nuts - 21 Nm

Nut securing the stabilizer bar to the suspension arm - 14 Nm

Wheel bolts - 105 Nm

For other threaded connections, the tightening torques are as follows:

  • M6 - Nm;
  • M8 - 25Nm;
  • M10 - 50Nm;
  • M12 - 105 Nm;
  • M14 - 180 Nm;
  • M16 - 280 Nm;
  • M18 - 400 Nm.

After installation, we check the wheel alignment.