Panamera S (970) V8-4.8L (2010)
6. Fit impact hammer and puller onto the thread of the injector and carefully remove injector by hitting it straight on a number of times. (Remember
that if any part of the injector body is damaged during removal, the complete injector must be replaced.) -> Impact hammer on injector
Replacing Teflon sealing ring
NOTE:
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Incorrect handling of injectors
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Leaks in combustion chamber
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Teflon sealing rings must always be replaced after removal and before refitting injectors.
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Do not replace Teflon sealing rings until just before fitting the injector.
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Install injector immediately after replacing the Teflon sealing ring.
INFORMATION: The tool numbers refer to the individual parts of the tools in the repair kit T10133 and the supplement set T10133/11-15 (unless
indicated otherwise).
Installation position of Teflon sealing ring: -arrow-
1. Remove high-pressure fuel injector.
2. Clean fuel injector carefully using a plastic brush (or cloth) and acetone or solvent naphtha. Hold Teflon sealing ring gently using a pointed-nose
pliers and carefully pull off Teflon sealing ring -1-. Do not scratch valve body.
3. Also clean sealing ring groove in the area of the sealing ring. Remove any deposits (coking).
4. Place new sealing ring -2- onto mounting cone no. 5 -1-. Using assembly sleeve no. 6 -3- (knurling facing the sealing ring), push sealing ring
gently as far as it will go onto mounting cone no. 5.