I was leaving for class this morning, when, as I was engine braking behind a car going down a hill, I began to hear a grinding noise...
I got back on the gas going up the next hill and the noise stopped. But every time I engine brake I get a slight vibration and a grinding noise, as if something were scraping against the driveshaft or the input/output flanges on the diff.
Any insight? So far my inclination is to believe it's the diff mount or subframe bushings/nuts, judging by the way I get a slight thump when I start to engine brake.
Help ASAP!
I got back on the gas going up the next hill and the noise stopped. But every time I engine brake I get a slight vibration and a grinding noise, as if something were scraping against the driveshaft or the input/output flanges on the diff.
Any insight? So far my inclination is to believe it's the diff mount or subframe bushings/nuts, judging by the way I get a slight thump when I start to engine brake.
Help ASAP!
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