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Though this happened on another brand of German car, I thought I would pass this on here, especially after the recent long series of posts by the guy who installed an M5 flywheel incorrectly.
Good mechanic puts a new, German-made flywheel into an older 911. (You can't install a flywheel incorrectly in a 911). Engine won't fire, mechanic spends days working on it. Substitutes everything he can think of - sensors, DME, etc.
Finally, pulls the flywheel and checks the reference pin with a magnet. Turns out the pin was made from stainless steel and would not trip the crank position sensor. Who would have thought?
Steve
00 M5
84 911 Andial 3.4
Good mechanic puts a new, German-made flywheel into an older 911. (You can't install a flywheel incorrectly in a 911). Engine won't fire, mechanic spends days working on it. Substitutes everything he can think of - sensors, DME, etc.
Finally, pulls the flywheel and checks the reference pin with a magnet. Turns out the pin was made from stainless steel and would not trip the crank position sensor. Who would have thought?
Steve
00 M5
84 911 Andial 3.4