986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - misfire on 4-5-6 bank after replacing head

Gelbster · 09-25-2017, 08:41 AM

That makes sense.
What probably happened was when they re-timed Bank 2 ,the UDP was not at TDC intake cyl1.
When they fitted the stock c/s pulley the error on Bank 2 was obvious. Then they had to remove the scavenge pump, loosen the 4 bolts on the EX cam sprocket, adjust .
For more Boxster Camshaft Timing details ,this link has a helpful drawing:
https://www.renntech.org/forums/topic/51555-cranks-but-no-start-misfire/
The best Boxster Timing DIY is from Insite here:
DIY: Setting Cam Timing on M96
Photobucket dumped all his excellent photos - great opportunity for someone to re-do and Post as a DIY?
Alternative photos from Nutrod are here:
http://www.nutrod.com/Nutrod/Pics/Pages/Install_Head_4-6.html
I hope this helps

09-25-2017, 08:41 AM	#20
Gelbster Registered User Join Date: May 2014 Location: S.California Posts: 2,029	That makes sense. What probably happened was when they re-timed Bank 2 ,the UDP was not at TDC intake cyl1. When they fitted the stock c/s pulley the error on Bank 2 was obvious. Then they had to remove the scavenge pump, loosen the 4 bolts on the EX cam sprocket, adjust . For more Boxster Camshaft Timing details ,this link has a helpful drawing: https://www.renntech.org/forums/topic/51555-cranks-but-no-start-misfire/ The best Boxster Timing DIY is from Insite here: DIY: Setting Cam Timing on M96 Photobucket dumped all his excellent photos - great opportunity for someone to re-do and Post as a DIY? Alternative photos from Nutrod are here: http://www.nutrod.com/Nutrod/Pics/Pages/Install_Head_4-6.html I hope this helps Last edited by Gelbster; 09-25-2017 at 10:26 AM.