trying to remove knock sensor "bolt" in 2017 forester
10

Asked by GuruLZ4QP Mar 30, 2019 at 01:14 PM about the 2017 Subaru Forester 2.5i

Question type: Maintenance & Repair

Bolt in knock sensor seems to be seized and won't turn. Afraid to throw any more weight on it fear of twisting off the bolt.
Does anyone have any suggestions of how to get that damn bolt out in one piece? ??

6 Answers
10

GuruLZ4QP answered 5 years ago

Purchased PB blaster will let it soak down. At present, the sensor is working fine but I don't know if it will act up again. Will the penetrating oil cause it to malfunction??

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10

GuruLZ4QP answered 5 years ago

Please me one question: Since this sensor acted up and caused the engine to react erratically, but has now settled. Does it mean that this sensor is now OK , or should I consider it a future problem waiting to happen ?? Should I replace it ???

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Your Answer:

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