Ford Repair Questions? Ask a Mechanic for Answers ASAP
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
If you have not checked over the engine for any vacuum leaks this needs done.If there is a vacuum leak this can cause this fault with the leak needing repaired.I would have the end of the crank inspected where the seal seats to see if any damage is seen.I would have it also measured to see if it is out of round at all indicating any issues with the crank needing repaired or replaced before replacing the seal.The crank bearings would need inspected with the engine oil pan removed and this should be done as well.
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