| The following instructions are intended to help you find the causes of problems effectively and objectively in the event of complaints about the brake servo or in the event of a so-called »hard brake pedal«. |
| This check relates to the following components: |
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| Oil seal between brake master cylinder and brake servo. |
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| Vacuum hoses with connectors |
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| Vacuum pump (if included) |
| Measuring results will be influenced by the geographical location. The higher the location is above sea level, the lower the air pressure will be. |
| Take note of the following test requirements: |
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| Visual inspection of all vacuum hoses for damage (e.g. cracks or marten bite) and to check that they are correctly and firmly attached |
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| Ensure cleanliness when working on vacuum system. |
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| Before starting work, clean engine compartment if necessary. |
| Special tools and workshop equipment required |
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