My '98 has that rattle clatter on start up most of the time. I find if I turn on the key then turn off the A/C-Heater ( since it is always on when the key is turned on) then start the engine, I don't get that rattle clatter so much. Sometimes it does, sometimes it doesn't. Is there a conection or is it just coincidence ?
Also, I've been using M1 10/30. I'm thinking of going to 10/40. Thoughts ?
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