engine in car IMSreplacement???

[wikan]

Originally Posted by JFP in PA

Remember to remove the tensioners before starting to remove the IMS flange cover.

yes- will remove left bank and IMS tensioners. engine can't turn over due to fact that starter is removed due to being a tiptronic. it is pinned at TDC anyway to prevent anyone from getting on a ladder climbing in the car, and wrenching it!!!!
so, figure it's about as "chip-proof" as it can get before starting to remove the IMS flange/cover....

[JFP in PA]

Originally Posted by wikan

yes- will remove left bank and IMS tensioners. engine can't turn over due to fact that starter is removed due to being a tiptronic. it is pinned at TDC anyway to prevent anyone from getting on a ladder climbing in the car, and wrenching it!!!!
so, figure it's about as "chip-proof" as it can get before starting to remove the IMS flange/cover....

Even with the cam and crank locked, if the tensioners are not removed before trying to pull the flange cover, it can be very hard to impossible to get it off due to the load they exert on it.

[wikan]

Originally Posted by JFP in PA

Even with the cam and crank locked, if the tensioners are not removed before trying to pull the flange cover, it can be very hard to impossible to get it off due to the load they exert on it.

Ok, went to start in again this morning. dropped the sump- all clear. In fact, so clear it surprised me. Had been thinking about cam lock position- and made certain was at TDC of compression stroke for left bank. ( bank 1). Might be worth noting that if the TDC mark is 180 out, the cam lock fits like not at all.
Then settled down to locate all 3 tensioners, , just in case I'd need to loosen all three per the LN instructions.
IMS and bank 2 tensioners evident. Bank 3 cannot be found, even if I holler "olly,olly, in come free" !!
I see the Bentley manual shows it above facing down on the bank 1 side. Looked from below, can't find it anywhere.
Any chance of anyone pointing me to the general area? If I can't see it or put my fingers on it- can't come up with a way to loosen it.
And nothing is going to get loosened without it, as I am by nature a cautious fellow!
Alternately, is it possible to put the cam lock on bank 2 and proceed from there- as the bank 2 tensioner is as evident as the IMS tensioner is... this is 3 chain, engine in car..

[JFP in PA]

There are a total of four tensioners, including on that is under the AC compressor, but only two need to be released to do the IMS. You must pull the IMS to crankshaft tensioner, and the one on the cylinder head you have the cam locks. I would suggest your review the following link, as it discusses tensioner locations and what really needs to be removed to do a retrofit: LN Engineering Retrofit Kit Instructions, rev 18 - 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) - RennTech.org Forums

[wikan]

Originally Posted by JFP in PA

There are a total of four tensioners, including on that is under the AC compressor, but only two need to be released to do the IMS. You must pull the IMS to crankshaft tensioner, and the one on the cylinder head you have the cam locks. I would suggest your review the following link, as it discusses tensioner locations and what really needs to be removed to do a retrofit: LN Engineering Retrofit Kit Instructions, rev 18 - 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) - RennTech.org Forums

thank you for your patience. And would love to know how you get the shortcuts to the conversations which went before!!!If you ever make it down Virginia way, I owe you a day on the river, or three!!!!
Cautious I my be, but not interested in mucking this up!
If I interpret correctly,03 US spec Boxster 2.7,engine in car, I need to place the camlock on the "passenger side, same side as "front of the engine where the serpentine belt is" in order to use the easily accessed chain tensioner. (what I call the right bank- as seen from rear of the car.

This is opposite of where I initially trial fitted the lock it in the picture I posted! It would be a lot easier to use the accessible tensioner due to engine still in car means A/C compressor is in situ..
I can see if the engine was out of car, then A/C compressor blocking the would not be an issue...
Is there a liability to using the easily accessed tensioner and placing the camlock on the front of the engine ?

[JFP in PA]

Originally Posted by wikan

thank you for your patience. And would love to know how you get the shortcuts to the conversations which went before!!!If you ever make it down Virginia way, I owe you a day on the river, or three!!!!
Cautious I my be, but not interested in mucking this up!
If I interpret correctly,03 US spec Boxster 2.7,engine in car, I need to place the camlock on the "passenger side, same side as "front of the engine where the serpentine belt is" in order to use the easily accessed chain tensioner. (what I call the right bank- as seen from rear of the car.

This is opposite of where I initially trial fitted the lock it in the picture I posted! It would be a lot easier to use the accessible tensioner due to engine still in car means A/C compressor is in situ..
I can see if the engine was out of car, then A/C compressor blocking the would not be an issue...
Is there a liability to using the easily accessed tensioner and placing the camlock on the front of the engine ?

OK, first of all, you are starting to totally over think this thing, and are also not taking into account that the instructions for changing the IMS out on a 996 are left/right reversed for a 986 as the engine faces the other way about in a 996 (the flywheel faces the front of the car in a 996, the rear of the car in a 986).

While you only need to use one cam lock tool, and remove only two tensioners to do this job, if you wanted to use both cam locks, and remove three tensioners (which would include the one under the AC), I would suggest you watch this video of the process, again noting that this is a 996, so the engine is the other way about in the car: http://imsretrofit.com/ims-retrofit-procedure-overview/ Also note in the video that the second fabricated cam lock will need to be slightly different than the LN unit.

[JFP in PA]

And as for visiting Virginia, I used to love the Riverwalk Restaurant in Yorktown, until they had some management changes last year and totally lost their way, now I wouldn't go near the place.

[wikan]

Originally Posted by JFP in PA

OK, first of all, you are starting to totally over think this thing, and are also not taking into account that the instructions for changing the IMS out on a 996 are left/right reversed for a 986 as the engine faces the other way about in a 996 (the flywheel faces the front of the car in a 996, the rear of the car in a 986).

While you only need to use one cam lock tool, and remove only two tensioners to do this job, if you wanted to use both cam locks, and remove three tensioners (which would include the one under the AC), I would suggest you watch this video of the process, again noting that this is a 996, so the engine is the other way about in the car: IMS Retrofit & Procedure Overview Also note in the video that the second fabricated cam lock will need to be slightly different than the LN unit.

Vid link receives only this still shot- no problem. I have only 986 experience- not any other Porsche, please pardon am unaware of 996 versus 986.
Just seems that the location to use one lock only would be same side of engine as the tensioner is on. That would place the cam lock on front of engine closest to passenger seat as viewed from the rear of car.
All pictures show the left (drivers side) with the lock on, and the bank tensioner on the right (passenger side). I have hard time wrapping my brain around locking the left cam and releasing tension on the right side!
To make it simple for the brain dead such as myself- viewed from rear of the car, put the cam lock on the left and release the tensioner on the right. As well as the IMS tensioner first. Is that correct?

[JFP in PA]

Try it again, I posted the wrong link the first time. It should take you to an LN page with a video of the IMS retrofit on a 996, but if you just look at it as if it was in your car, you will see how it all plays out.

[wikan]

York is the wrong river- we're on the Chickahominy... All boating, no shopping!.... ::-)

[wikan]

Originally Posted by JFP in PA

Try it again, I posted the wrong link the first time. It should take you to an LN page with a video of the IMS retrofit on a 996, but if you just look at it as if it was in your car, you will see how it all plays out.

new day, new neuroons. Thanks for telling me to stop overthinking it.
Bank 1 is on passenger side when viewed from rear of car. Cylinders 1-3. Bank 1 tensioner is most easily accessed with engine in car.( other than the IMS tensioner.) Cam lock goes on bank 1, ( sepentine belt side of engine just behind firewall.)
If I cobble together another cam lock, then I can install it on bank 2 as a precaution-and as the LN instructions say- odds are won't need to pull the A/C compressor to access the tensioner for bank 2.
Then undo both tensioners and is safe to remove the IMS cover..
have I gotten myself back on course, or farther off?
Thanks!

[JFP in PA]

Originally Posted by wikan

new day, new neuroons. Thanks for telling me to stop overthinking it.
Bank 1 is on passenger side when viewed from rear of car. Cylinders 1-3. Bank 1 tensioner is most easily accessed with engine in car.( other than the IMS tensioner.) Cam lock goes on bank 1, ( sepentine belt side of engine just behind firewall.)
If I cobble together another cam lock, then I can install it on bank 2 as a precaution-and as the LN instructions say- odds are won't need to pull the A/C compressor to access the tensioner for bank 2.
Then undo both tensioners and is safe to remove the IMS cover..
have I gotten myself back on course, or farther off?
Thanks!

Sounds like you are getting back on track.