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| Connect the pressure tester to the pump with an adaptor. |
| 2 - | Adaptor -V.A.G 1402/3- |
| 3 - | Adapter set hose -1402/6- |
| 4 - | Hollow bolt (vehicles with air conditioning) |
| 5 - | Adaptor -V.A.G 1402/2- |
| 6 - | Power steering verification -V.A.G 1402- |
| –
| Open the shut off valve of the tester. |
| –
| Remove the pincers for the hoses -U-30042- from the suction tube. |
| –
| Start the engine and, if necessary, add more liquid to the deposit. |
| –
| Close the shut off valve when the engine is idling (not more than five seconds), read the pressure. |
| Petrol engine: 68....76 bar. |
| Diesel engine: 85....95 bar. |
Note | t
| If they are not reached, or exceeded, change the hydraulic pump → Chapterfor the power steering. |
| t
| If there is a shortage of liquid in the reservoir, the steering system should always be checked for leaks |
| t
| If the steering knuckle shows a leak, then the hoses and connections must be checked and, if necessary tightened again and cleaned until dry. |
| t
| If there were leaks in the sealing ring of the steering knuckle or in the join of the steering rack on the steering casing, the steering box must be replaced → Chapter, removing and fitting the power steering box |
| t
| To check the seal of the steering rack, the hook of the dust guard must be opened and moved to one side. |
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