Symptom 1: Noticed the car jerk back and forth as I was engaging fifth or sixth gear (can't remember which one). I thought I had let go of the clutch too quickly, but have never noticed this symptom before (or in 150,000 miles). I pressed down on the clutch and car stopped jerking, then depressed it as I would normally and jerking did not reoccur. Only occurred a couple of times in the last few days (never occurred before in these gears). The jerking is, of course, much more common at lower gears when I let go of the clutch too quickly.
Symptom 2: Brief/transient soft grinding noise in first and second gear driving after warm/hot start. Cold start and as engine warms up there is no noise. After engine warms to operating temperature (my commute is about 1-2 hours), then I stop/park (usually to pick something up at the store) and turn engine off. After 10-15 minutes I return to the car and turn it on and engage first and second gear to drive away, there is a transient soft grinding noise that lasts a few seconds (while progressively pressing on throttle) and goes away after depressing throttle to change to higher gear. This does not happen at higher gears and only happens while driving out of the parking lot. The noise does not occur after stopping at a light and engaging first and second gears to drive away after light turns green (no problem at stop signs either). Does not occur again unless I turn car off and then start it up again shortly after.
While symptom 1 and 2 may not be related, I want to say that I noticed symptom 2 occur shortly after I noticed symptom 1 (probably same day).
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Tuesday, June 11th, 2019 AT 8:56 AM
