Rear shock absorbers and struts (Nissan Primera P10)

Removal

Since the removal of one part affects the removal of another part, the operations are described together. In the illustrations View of the assembled rear suspension from one side (with disc brakes) and Elements of the disassembled rear suspension the parts are shown assembled in the form of a wiring diagram. Using these illustrations:

1. Remove the rear seat, remove the upper shock absorber mount and unscrew the three nuts on the upper side of the shock absorber. Do not unscrew the nut in the middle (piston rod nut), however, under certain circumstances it can be unscrewed. In this case, the car must be on its wheels.

2. Place the rear of the car on its wheels and unscrew the rear wheels. Engage first gear or reverse to prevent the car from rolling off the supports. Leave a jack under the rear crossmember.

3. Remove the union nut of the brake pipe at the connection with the brake hose, pull the pipe out of the hose and knock the spring plate out of the hose. Pull the hose out of the mounting plate.

4. Unscrew the stabilizer bar from the shock absorber strut and disconnect it.

5. Unscrew both shock absorber strut nuts and bolts from the wheel hub retainer from the underside of the shock absorber strut and carefully knock out the bolts. Insert a screwdriver into the shock absorber strut clamping slot and slowly press the wheel hub retainer downwards until it is free of the shock absorber strut.



6. Pull the shock absorber down. Check which side the gasket is on, as it may remain on the body.

Disassembling the shock absorber strut

The details of the disassembled shock absorber are shown in illustrations. The shock absorber strut itself can be seen on illustrations.

1. Clamp the underside of the shock absorber in a vice. To avoid squeezing the clamping element, you can insert a socket head before tightening the vice.

2. Install the spring compressor on the spring coils as shown for the front springs and completely unscrew the nut in the middle of the shock absorber strut. Remove all the parts shown in the illustrations elements. Both strut supports are installed in a specific position, which should be marked before removing the supports. On a car with a carburetor engine, two shock absorber struts with different piston rod diameters are installed. The compression buffers must be replaced together with the shock absorber strut.



3. If only the spring needs to be replaced, no other work is required.

4. Check the shock absorber by clamping it vertically in a vice, compressing and stretching it. The pressure should be the same throughout the entire piston stroke. If the movement is jerky, the shock absorber should be replaced.

5. Order rear springs from the catalog.

Assembling the shock absorber strut

1. Clamp the shock absorber strut in a vice.

2. Place the compressed spring on the stand. Check that the spring fits into the cup contour as shown in the illustration. The spring has a flat end at one end. This side should be facing up. In addition, the spring is marked with one and two marks. The two marks should be on the bottom side.



3. Place the shock absorber strut support on the piston rod and rotate it until the marks made during removal are aligned. If this is not observed, refer to the illustration above. There is a guide hole in each shock absorber mount and the spring support should be rotated until the support is aligned on the left or right side as shown.



4. Screw on a new nut and tighten to 60-80 Nm. The flattening at the end of the piston rod serves to prevent the rod from turning.

Installing a shock absorber strut

1. Connect the hub holder to the shock absorber strut, align the threaded holes and hammer in the bolts from the anti-roll bar side. Screw on the nuts and tighten to 100-120 N·m.



2. Secure the shock absorber on the top side with three nuts (put a gasket on) and tighten the nuts to 45-55 Nm.

3. Attach the anti-roll bar and tighten the nut to 42-48 N·m.

4. Perform all other work in reverse order.

5. Remove air from the brake system.