Rear Suspension Coil Spring (DOHC Models) — Removal and Installation (Opel Vectra A)

Removal

1. Please note that the rear springs should be replaced in pairs. It is recommended to replace the rubber spring buffers at the same time.

2. Block the front wheels, jack up and place the rear of the car on axle stands.

3. Working under the rear of the vehicle, remove the locking brackets and route the brake lines out of the brackets on both sides of the vehicle's underbody. Note that the locking brackets also support the ABS sensor wires.

4. Working on each side of the car in turn, support the trailing arm with a jack, then loosen and remove the bolt and washer securing the lower end of the shock absorber to the trailing arm. Carefully lower the jack and remove it once the shock absorber has cleared the trailing arm.

5. Disconnect the fuel outlet hose from the fuel filter located on the right side of the underbody in front of the fuel tank. Plug the open holes in the filter and hose to prevent further fuel loss and dirt from entering the system.

6. Support the rear plate of the rear suspension cross member with a jack, then unscrew and remove the two mounting bolts from the rear cross member beam.

7. Carefully lower the jack enough to remove the springs and buffers, being careful not to deform any hoses, tubes or wires. Remember the correct orientation of the springs.

Installation

8. Place the springs and their supports between the diagonal arms and the bottom, correctly orienting the springs.

9. Carefully raise the jack supporting the rear cross member plate, then install the bolts securing the rear cross member beam to the underbody and tighten them to the specified tightening torque Specifications.



10. Connect the fuel outlet hose to the fuel filter and tighten the clamp screw.

11. Connect the shock absorbers to the diagonal arms, supporting the diagonal arms with a jack as during removal. Tighten the mounting bolts with the tightening force specified Specifications.

12. Install the brake pipes onto the brackets on the bottom and secure them with clamps.

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13. Lower the car to the ground.