TDC issue - help needed please …

[Gilles]

Originally Posted by colacharlie

I’ve taken the camshafts out of bank one on my 2002 Boxster- to change the variocam and solenoid but I forgot to set TDC before I began did this job.

Any thoughts on how to reassemble safely?

I did wonder if it’s as simple as putting a breaker bar on the crankshaft bolt and turning the engine until I find TDC. My worry is that because the camshafts are removed on bank one, and the lobes are loose with no pressure on them from the camshaft, will this cause a problem/ they fall out/ something gets bent if I turn the crank with camshafts removed?

Hello Colacharlie, I am Not an expert, but since you are removing the cams the valves will be closed, and rotating the crank should not cause any damage to the valve train... It would be interesting to hear more comments from people with more experience.

[Homeoboxter]

Originally Posted by Gilles

Hello Colacharlie, I am Not an expert, but since you are removing the cams the valves will be closed, and rotating the crank should not cause any damage to the valve train... It would be interesting to hear more comments from people with more experience.

Agreed. Without cams the valves won`t be opened. You need to pull and hold the chain aside so it won`t get jammed in the crankcase while someone else slowly rotates the crankshaft. Pull the plugs to make it easier to turn the crank.

EDIT: now that I`ve reread what you wrote, I`m not sure if you replaced the camshafts. If so, I`d pull the whole assembly off, rotate the crankshaft to TDC and put everything back on.