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Been chasing a hesitation problem for the past 6 months. Multiple CAN faults and cel are present. Stealership replaced negative battery cable and ibs but no difference. Searched all over for a short but couldn't find any. Replaced alternator, pointless. Checked Vanos, all working. Replaced driver side Valvetronic actuator due to fluctuating ohms value on multimeter, wasn't the problem. Finally, what I hoped not to perform, replace eccentric shaft sensors. So today I removed the driver side valve cover and removed eccentric sensor. Nothing unusual, connector and beneath the square metal plate was free of oil. However, I discovered a fallen rocker arm. Now I'm quite confident that all along, this was the culprit! Now, how bad of a job would it be to reinstall the rocker piece?
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This is the piece that fell off and was bouncing around inside the valve cover.
Member
The rockers just snap onto the floating "lifters" (they're not really lifters of course) however I think you have to pull the camshaft off to set it. The real question is how did it pop off? Assuming this is an intake rocker? What shape is the intermediate roller in/eccentric shaft?
I understand you posted over a month ago, so it's possible you've already resolved this. Interested to know where you're at, or what you had to do to solve things!
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