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| Remove union nuts -1 and 4- and detach high-pressure pipe -2-. |
Note t
| Before re-installation, check taper seats for deformation, cracks, damage, scores and corrosion. Renew high-pressure pipes if they are damaged or corroded. |
t
| Check that bore in pipe is not distorted, restricted or damaged in any other way. |
t
| When re-installing "old" high-pressure pipe, observe marking for installation position. |
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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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| Initially hand-tighten union nuts on high-pressure pipes (ensure that pipes are not under tension). |
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| Tighten high-pressure pipes between injectors and fuel rail first at injector and then at fuel rail. |
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