190e / Noisy Valvetrain
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'88 190e 2.3.
1) recently replaced cylinder head. head completely redone except for cam/rockers. i'm told they were within tolerances. noisy valvetrain on cold start. lasts about 3-4 seconds then begins to quiet. stays slightly noisy until about 40 degrees C. also have slight miss on startup for about 30-60 seconds.
2) oil filters. MANN & MAHLE have a pressure relief valve inside. BOSCH does not. does this matter?
3) 20/50 or 10/40 weight oil in winter? usually use CASTROL GTX.
thanx for any help. rob.
1) recently replaced cylinder head. head completely redone except for cam/rockers. i'm told they were within tolerances. noisy valvetrain on cold start. lasts about 3-4 seconds then begins to quiet. stays slightly noisy until about 40 degrees C. also have slight miss on startup for about 30-60 seconds.
2) oil filters. MANN & MAHLE have a pressure relief valve inside. BOSCH does not. does this matter?
3) 20/50 or 10/40 weight oil in winter? usually use CASTROL GTX.
thanx for any help. rob.
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