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03/11/2020 10:53 am
Topic starter
Hi Scotty, I have a 2003 Mustang GT 4.6 manual trans 63,000 miles. It has a 2-3 second start up rattle in the motor
after it sits overnight. Should I be concerned or just live with it? Thank you, Wayne
2 Answers
1
03/11/2020 4:28 pm
Be concerned ! Have it checked-out by a good, honest mechanic. Sounds like bottom-end bearing issue from excessive speed/abuse with low/bad oil. Commonly, first to go bad are cylinder 1 & 5 bearings. Can also be cam/timing chain issues, plus about 10 other possible issues.
It's hard to say with limited info, but you might need a short block, maybe more.
But be concerned. Definitely abnormal in a 4.6.
@retoldpro
I second this.
0
03/11/2020 12:29 pm
Make sure you are using the right type of oil for the motor.
