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Has anyone measured the vacuum the alternator creates? Or know what it should be on a good Td5 alternator?
Td5 Alternator Vaccum Pressure
- Thread starter tom1979
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sierrafery
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AFAIK it should be at least 0.55 bar for the brake booster to work well but i didnt measure it myself
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I tested a vehicle today, had a new alternator about 3 years ago (Denso) and it made 95kpa/0.95 bar of vacuum
sierrafery
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Then it's more than enough IMO... seems that they calibrated it to manage the brake booster and the EGR too
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Surprising really.
