| Removing and installing injectors |
| Special tools and workshop equipment required |
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| Torque wrench -V.A.G 1331- |
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| Defective injectors cause the following faults: |
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| Knocking in one or more cylinders |
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| Excessive black exhaust smoke |
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| Higher fuel consumption |
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| Excessive blue smoke when starting from cold |
| Defective injectors can be located by loosening the injector pipe unions in turn with the engine running at a fast idling speed. If engine speed remains constant after loosening a pipe union, this indicates a defective injector. |
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| Remove injection lines with ring spanner -3035-. |
Note | Always remove pipe set complete. Do not alter shape. |
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| Remove securing nut, take off retainer and take out injector. |
Note | Always renew heat insulating seal between cylinder head and injectors. |
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| Check mounting brackets are seated correctly in cylinder head. |
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