Quote:
Originally Posted by nestorb98
Mea culpa!
I over torqued and broke a camshaft bearing bracket bolt after succesfully replacing eight valve stem seals in my 190e 2.3.
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= M102 engine =>
FSM chapter is here =>
http://www.startekinfo.com/StarTek/outside/11832/Resources/201Create/PDF/30005.pdf
Quote:
Originally Posted by nestorb98
...The bolt broke three threads in and so when I removed the cam bracket, there was the very top of the bolt bottom. I was able to remove it with vise grips.
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The specification for fitting the rocker arm / camshaft caps is only 20Nm (see link for FSM above)
The bolts are about M8 if I remember correctly - I don't see how on earth you managed to snap a steel bolt in an aluminium alloy head - congratulations (!) - I'd have expected the aluminium alloy head to die first.
What torque setting were you using?
20Nm == 14.75 ft lbs