1. Suspension reservoirs are sealed and loss of gas pressure will result in heavy rear axle shock when the vehicle is moving.
2. To check the tanks it is necessary to properly position the car, but only an experienced mechanic can perform this work. If the pressure is low, the reservoir must be replaced.
3. To replace the reservoir, remove the dust cap from the bleed port on the pipe connector and place a piece of plastic tubing over the port (pic. 10.20).
4. Lower the free end of the pipe into the reservoir, open the bleeder valve until the residual pressure is relieved and the oil stops flowing. Close the screw, remove the tube and install the dust cap.
5. Disconnect the two hydraulic pipes from the reservoir, cover the open ends to prevent dirt from entering and oil loss.
6. Remove two mounting nuts and washers, lift reservoir.
7. Installation is carried out in the reverse order. Fill the system with hydraulic fluid using the procedure described in Chapter 25. If the reservoir has been replaced, decontaminate the old unit by drilling a 3 mm hole in the reservoir body to release any residual pressure. Be careful when doing this, and always wear safety glasses.
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