We have classified the 1 complaints from 2004 Porsche Boxster about ENGINE AND ENGINE COOLING into the following categories.
2004 porsche boxster, 58-60k mi, had catastrophic engine failure at 10 mi/hr. engine stalled; was able to restart and drive a few feet, but badly missing. loud clanging noise from engine. no smoke. oil drained from car when tilted on towtruck. dealer found intermediate shaft (ims) failure; required engine replacement at $18k. dealer said they had seen a significant number of ims failures (but porsche has not notified owners). no injuries, but certainly engine failure like this could have serious consequences at freeway speeds. porsche forums on internet show frequency of failures from this defect (poorly designed bearing assembly on ims) is very high, as much as 8-11% in one forum poll. defect found in my97-08. *tr
Tl*the contact owns a 2004 porsche boxster. when accelerating from a stop light at 2 mph, the vehicle stalled. the vehicle was towed to a dealer and they stated that the ims (intermediate shaft) failed, which caused the engine to fail. it would cost $16,000-$20,000 to replace. the manufacturer stated that they were not responsible for the failure because the vehicle exceeded its warranty. the failure and current mileages were 20468. updated 05/27/09. *lj the intermediate shaft bolt broke which caused the engine to fail. updated 05/28/09.*jb