It is important to check the air filter maintenance minder periodically and service the air filter when recommended. The air filter minder monitors the vacuum in the intake and vacuum builds as the filter gets plugged. Vacuum can build enough so that it draws oil through the seals inside the turbocharger, damaging the seals.
Damaged turbocharger seals due to dirty air filter minder on Ford F-250 Super Duty
Average mileage: (–)
Engine affected: 7.3L V8 Diesel Turbo
1 model year affected: 1999
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