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| Note identification marks for cylinder allocation when re-installing high-pressure pipes. |
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| The high-pressure pipes can be re-used after performing the following checks: |
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| Check taper seats of high-pressure pipes for deformation and cracks. |
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| The bore of the pipe must not be distorted, restricted or otherwise damaged. |
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| Corroded pipes must not be used again. |
Caution | The fuel rail and the clamping pieces can be slackened so that the injector pipes are not installed under tension. If necessary, move the fuel rail slightly and turn the corresponding injector slightly. Never bend the pipes or subject them to tension. Bending the pipes would ultimately cause them to fracture. |
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| Use vacuum cleaner to remove dirt from taper seat at fuel rail. |
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| Clean fuel pipe and end of pipe using cleaning solution and dry with compressed air. |
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| Lubricate threads of union nuts with fuel. |
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| Hand-tighten union nuts on high-pressure pipes (ensure that pipes are not under tension). |
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