| Checking function of Haldex coupling |
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| Drive front wheels of vehicle onto rolling road. |
WARNING | Keep the area in front of the vehicle clear. Carry out test with care to avoid damage. |
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| Engage 1st gear and slowly start driving. |
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| If the vehicle is not pushed off the rolling road at an engine speed of 1500 rpm, then the Haldex coupling is defective. |
Note | t
| When the front wheels are driven whilst the rear wheels are stationary, the Haldex coupling will lock up. This means that the rear wheels are also driven. |
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| The Haldex coupling can accept differing speeds for a short period without locking up only with 1st gear engaged and engine speed slightly above idling speed. |
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