What happens when IMS bearing fails?
When an IMS failure occurs, or more specifically the ball-bearing or bearing support fails, the intermediate shaft is damaged beyond the point of being serviceable, but moreover, debris from the failure contaminates the entire engine, requiring a complete teardown and rebuild to recover from such a failure.
Can a replacement IMS bearing cause an engine failure?
Installing a replacement IMS bearing in an engine that has already suffered a failure will result in a subsequent failure due to collateral damage, including but not limited to debris contaminating the new bearing. Are there any warning signs?
Is the Porsche M96 engine susceptible to IMS failure?
Although these engines use an intermediate shaft, with a bearing, they have a fundamentally different design, and are not subject to the same type of failure as the M96 engine. What Porsche models are prone to IMS failure and would benefit from an IMS upgrade. – All 986 Boxster models.
What does IMS stand for in a motor?
What is an IMS bearing? IMS stands for ‘Intermediate Shaft’, and the IMS bearing supports the intermediate shaft, on the flywheel end of the motor (See here ). The purpose of the intermediate shaft is to drive the camshafts indirectly off the crankshaft.
Can a 911 Boxster have an IMS bearing failure?
All water cooled 911’s Boxster’s and Caymans from 1997 through to 2008 are at risk of suffering an IMS bearing failure, this with the exception of the Turbo, GT2 and GT3 models which maintained use of the air-cooled style shaft.
How many cars are affected by IMS failure?
Even out of that short time frame, less than 1% of vehicles were affected by IMS bearing failure. So, it’s possible that most of the talk and panic found across the Internet may have been blown relatively out of proportion.
Are there early warning signs of IMS bearing failure?
One thing we’ve read many times is that there are no early warning signs of IMS bearing failure and that drivers won’t notice the problem until their Porsche has suffered catastrophic engine failure and they are faced with a huge repair bill.
Which is Porsche models can IMS bearing failure occur on?
A failed IMS bearing can cause expensive problems for Porsche owners. Which Porsche models can IMS bearing failure occur on? Boxsters, Caymans and 911s from MY1997 to MY2008 are all at risk of IMS bearing failure, with the exception of Turbo, GT2 and GT3 models.
What was the failure rate of the Eisen IMS?
majority of the load on the intermediate shaft. According to information published about the Eisen IMS Class Action Lawsuit, the single row IMS bearing used in 2000 through 2005 model years is reported to have an 8% failure rate, versus less than 1% with the dual row IMS bearing.