IMS Replacement... The Jager Saga

[nnewell]

Great thread, any idea if the old clutch was the original?

Thanks,
~ Nick

[Jager]

Originally Posted by nnewell

Great thread, any idea if the old clutch was the original?

Thanks,
~ Nick

It was not the original clutch, but the flywheel was original.

Jager

[thstone]

Super post! Really enjoyed it. Excellent job!

Now, the real question is why this bearing was generally ok (not perfect but still working fine) after 210,000 miles when others fail at 1/10th of that mileage?

[jaykay]

Jäger you should get an award for this post ...fantastic work

....and you were using jack stands!?!

[jdiba]

One of the best threads I've seen on here. Man, I've learned so much about my
car from you guys.

[WhipE350]

Clarity of pictures is excellent, enjoyed the read. I have been reading for some time about how to do this and your selection of steps to show was excellent, the nitty gritty steps I'll figure out as I get to them. Enjoy the next 200k miles!

[Jager]

Originally Posted by thstone

Super post! Really enjoyed it. Excellent job!

Now, the real question is why this bearing was generally ok (not perfect but still working fine) after 210,000 miles when others fail at 1/10th of that mileage?

Thanks thstone

I would like to go back to the photo I took of inside the IMS. Per Porsche’s design of a sealed IMS bearing, oil inside the IMS is not per design correct? I wonder what Porsche’s forecast was on IMS bearing life if it maintained the grease seal?

I drive my car every day to/from work, and short trips on the weekends, averaging somewhere between 60 to 70 miles a day. With this amount of driving I’m sure my IMS bearing was maintaining a coat of motor oil keeping me off the IMS failure list.

Jager

[Dragonwind]

Originally Posted by Jager

Thanks thstone

I would like to go back to the photo I took of inside the IMS. Per Porsche’s design of a sealed IMS bearing, oil inside the IMS is not per design correct? I wonder what Porsche’s forecast was on IMS bearing life if it maintained the grease seal?

I drive my car every day to/from work, and short trips on the weekends, averaging somewhere between 60 to 70 miles a day. With this amount of driving I’m sure my IMS bearing was maintaining a coat of motor oil keeping me off the IMS failure list.

Jager

This is in line with what Jake as said that the more you drive it (and harder) the better off it is. From the looks of the picture your failed seal allowed enough oil to circulate through to allow some lubrication and save your engine. Hats off to you for driving your car and not just looking at it!

Chris

[boberocket]

I am new to the 986 forums and somewhat of a new Porsche owner. I found out after I purchased my 2000 Boxster S w/Tiptronic in the summer of 2015 that these engines had an IMS 'time bomb' in them. It has made me uncomfortable every since. I am a home mechanic and understand the concepts of most anything automobile related however I would like to ask for the opinions of those well experienced and/or trained in the automotive repair industry.

I have captured an image of my camshaft variance using the Durametric software and shared it with this thread. It is my hope that someone can help me understand what these numbers mean and if there is an IMS concern here. I am thankful for everyone's opinion.

The snapshot indicates the readings with the engine at an idle. I did rev the engine high a few times while logging and the numbers did not change for either camshaft more than 1/100th of a value. What I mean is the 8.47 value may have moved to 8.48 and the 7.59 value may have moved to 7.6. What do these values tell me about my camshaft tensioners and my IMS bearing?

Thank you

[JFP in PA]

Originally Posted by boberocket

I am new to the 986 forums and somewhat of a new Porsche owner. I found out after I purchased my 2000 Boxster S w/Tiptronic in the summer of 2015 that these engines had an IMS 'time bomb' in them. It has made me uncomfortable every since. I am a home mechanic and understand the concepts of most anything automobile related however I would like to ask for the opinions of those well experienced and/or trained in the automotive repair industry.

I have captured an image of my camshaft variance using the Durametric software and shared it with this thread. It is my hope that someone can help me understand what these numbers mean and if there is an IMS concern here. I am thankful for everyone's opinion.

The snapshot indicates the readings with the engine at an idle. I did rev the engine high a few times while logging and the numbers did not change for either camshaft more than 1/100th of a value. What I mean is the 8.47 value may have moved to 8.48 and the 7.59 value may have moved to 7.6. What do these values tell me about my camshaft tensioners and my IMS bearing?

Thank you

Steady cam deviation values are an indication that that the IMS is still healthy; but as the specs for this value are +/- 6 degrees, yours are out of spec, most likely due to severely worn chain pads that need to be replaced.

[clickman]

Originally Posted by boberocket

I have captured an image of my camshaft variance using the Durametric software

Make sure the engine is hot before taking these readings.