Engine out and fun begins ... Let's do this
#31
Burning Brakes
Thread Starter
That's funny, I incurred same and had my 30 year old craftsmen socket set and 10mm, 13mm sockets were thin walled, yeah! On the passenger side tc box, One of the chain ramps has to come out as you separate box, (atleast for me it did, as I did not want to be jamming in towards the intermediate shaft to try and get clearance for removal. Just took my time until I found the right position.
Last edited by C4inLA; 04-23-2017 at 04:08 PM.
#32
Rennlist Member
Originally Posted by C4inLA
Yes, I don't like having all those cavities open and valve adjustment all around, replacing distributor needed this done first. My biggest loss of productivity is checking torque specs for evrything. Cam timing went well and double checked with several crank rotations, zeroing of gauge, etc. and then checked with tensioners with same result, even though no oil pressure on tensioners. I also used a plastic piston stop and verified that crank TDC from factory matches case seam, it does.
That's funny, I incurred same and had my 30 year old craftsmen socket set and 10mm, 13mm sockets were thin walled, yeah! On the passenger side tc box, the bottom rail has to come out as you separate box, (atleast for me it did, as I did not want to be jamming in towards the intermediate shaft to try and get clearance) and I just took my time until I found the right position.
That's funny, I incurred same and had my 30 year old craftsmen socket set and 10mm, 13mm sockets were thin walled, yeah! On the passenger side tc box, the bottom rail has to come out as you separate box, (atleast for me it did, as I did not want to be jamming in towards the intermediate shaft to try and get clearance) and I just took my time until I found the right position.
BTW Good work on the shroud. I'm ordering a new set of wires so that area is coming apart anyway. Right now it's sitting in a maze of wires and fuel injection equipment.
#35
Burning Brakes
Thread Starter
Thanks for the references... Ordered the 3 ep ... is the MPO a paste?
Jason, I sense you are well versed in all things Porsche engine!
Nick that list from your rebuild is awesome, thanks!
John,
I watch and do check against my DVD all the time... the chap may have replaced thrust washer with bevel backwards on cam sprocket, please watch DVD and note yours when removing, let me know... I think the bevel side faces in ...
My swivel 13mm socket is coming in handy
Jason, I sense you are well versed in all things Porsche engine!
Nick that list from your rebuild is awesome, thanks!
John,
I watch and do check against my DVD all the time... the chap may have replaced thrust washer with bevel backwards on cam sprocket, please watch DVD and note yours when removing, let me know... I think the bevel side faces in ...
My swivel 13mm socket is coming in handy
#37
Rennlist Member
Originally Posted by C4inLA
John, I watch and do check against my DVD all the time... the chap may have replaced thrust washer with bevel backwards on cam sprocket, please watch DVD and note yours when removing, let me know... I think the bevel side faces in ...
My swivel 13mm socket is coming in handy
My swivel 13mm socket is coming in handy
Working from rocker side out I have two thin shims held in by a thrust washer where the bevel around the hole side faces towards the rockers.
BTW I have seen Jason's posts over the years. If he wasn't a factory engineer he missed his vocation.
#38
Burning Brakes
Thread Starter
I saw a thread where the heads and cam housing were sitting on a bench for teardown as one unit. Will you be taking that approach or peeling off from the engine stand in order?
#39
Rennlist Member
Originally Posted by C4inLA
So, I'm not the only one that noticed Jason's replies are quite precise... Pehaps P-car engineer incognito? Jason?
I saw a thread where the heads and cam housing were sitting on a bench for teardown as one unit. Will you be taking that approach or peeling off from the engine stand in order?
I saw a thread where the heads and cam housing were sitting on a bench for teardown as one unit. Will you be taking that approach or peeling off from the engine stand in order?
#40
Rennlist Member
Ok, the workshop manual says the following:
The thrust washer goes on first with the groove towards the camshaft. The shims go on after.
Yet another OPC fail on my engine as both sides had the shims on first and one thrust washer groove was pointing away from the camshaft.
The manual goes on to say that as a rule three shims are required for the left bank (cylinders 1-3) and four on the right bank. I had two on each. I didn't check the parallelism of the sprockets before dismantling. Have you checked yours?
The sprockets have alternate orientation on each bank. The left hand bank had the flat side facing the camshaft and the other way around for the right bank.
Btw the right bank camshaft has a lot of longitudinal movement with the power steering pump removed. Is yours the same?
Last question. How did you remove the plate with the o ring? I don't want to pry it off and risk damaging the sealing plate.
The thrust washer goes on first with the groove towards the camshaft. The shims go on after.
Yet another OPC fail on my engine as both sides had the shims on first and one thrust washer groove was pointing away from the camshaft.
The manual goes on to say that as a rule three shims are required for the left bank (cylinders 1-3) and four on the right bank. I had two on each. I didn't check the parallelism of the sprockets before dismantling. Have you checked yours?
The sprockets have alternate orientation on each bank. The left hand bank had the flat side facing the camshaft and the other way around for the right bank.
Btw the right bank camshaft has a lot of longitudinal movement with the power steering pump removed. Is yours the same?
Last question. How did you remove the plate with the o ring? I don't want to pry it off and risk damaging the sealing plate.
#41
Burning Brakes
Thread Starter
Mine was thrust and 2 shims only. I did not measure parallelism as cam not removed, would do otherwise. In my pic above, I set those down as a stack to be picked up and placed back on with thrust washer leading the way, bevel in... Yes, sprockets face as you described. I did not notice or test cam front to back movement. I evolved during plate/Oring removal as follows;
I didn't know what tensions or play to expect, therefore, Driver side I used a "park" plastic tool for getting under a rim of bicycle tire and traced the circle plate and did gentle prying, worked, no damage. Passenger side, gently wiggling the box, the box moved away from cam just a little bit and I somehow had access from behind box to pop out from behind, no prying from front, was real easy. I may have removed valve cover on right side? Note, that right box needed just the right orientation to come completely off....
I didn't know what tensions or play to expect, therefore, Driver side I used a "park" plastic tool for getting under a rim of bicycle tire and traced the circle plate and did gentle prying, worked, no damage. Passenger side, gently wiggling the box, the box moved away from cam just a little bit and I somehow had access from behind box to pop out from behind, no prying from front, was real easy. I may have removed valve cover on right side? Note, that right box needed just the right orientation to come completely off....
#42
Rennlist Member
Thanks. Update
Finding: Neither cylinder banks' thrust washers and shims were installed as per the Porsche Workshop Manual. The Manual states that the thrust washer is installed first and with the groove facing the camshaft. Neither was installed first and one is incorrectly oriented.
Finding: Neither cylinder banks' thrust washers and shims were installed as per the Porsche Workshop Manual. The Manual states that the thrust washer is installed first and with the groove facing the camshaft. Neither was installed first and one is incorrectly oriented.
#43
Burning Brakes
Thread Starter
Got my injectors back. Few were at 60 percent, not anymore
Photo documenting engine bay, and then removing old sound pad and of course time for the obligatory selfie.
Photo documenting engine bay, and then removing old sound pad and of course time for the obligatory selfie.
Last edited by C4inLA; 05-11-2019 at 01:59 AM.
#44
Rennlist Member
Originally Posted by C4inLA
Got my injectors back. Few were at 60 percent, not anymore
Photo documenting engine bay, and then removing old sound pad and of course time for the obligatory selfie.
Photo documenting engine bay, and then removing old sound pad and of course time for the obligatory selfie.
How's the transmission?
#45
Burning Brakes
You are lucky your sound pad did not have much adhesive. Mine had lots of rubbery gunk. I cleaned and cleaned....took forever and still did not get 100%. I figured 98% was good enough since the new one was going in...