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| Unplug electrical connector. |
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| Unbolt pressure sensor from bulkhead. |
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| Identify hoses on exhaust gas pressure sensor 1 -G450--item 1- for re-installation. |
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| Release hose clips and spray both hoses with silicone-free lubricant. |
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| Carefully disconnect the hoses from their connections (take care to keep the hoses straight: the connections can break off easily). |
| Installation is carried out in the reverse order; note the following: |
Note | Secure all hose connections with the correct type of hose clips (same as original equipment) → Parts catalogue. |
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| Blow through hoses (towards particulate filter) with compressed air. |
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| Connect hoses to exhaust gas pressure sensor 1 -G450- according to markings made earlier. |
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