TechTips page

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Paul and me... and our cars

Check Greg Nicol's Tech Tips at:

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Check Rennlist FAQ:

Check Porsche Car DIY page:

Check Arnnworx for 944 related DIY:

Check Dan's webiste:



Porsche Germany (euro) parts website (PET in PDF format)This is an updated version that I made  from a recent PET (420) version:


Updated May 2017:





Regretfully the link is down, so here are the files that were available at Porsche:






Porsche USA parts website (PET in PDF format)

Updated Jan 2019: the files that were originally available at Porsche:


928, USA 1978 - 1982.pdf

928, USA 1983 - 1986.pdf

928, USA 1987 - 1991.pdf

928, USA 1992 - 1995.pdf


Updated October 2023: the files that were originally extracted from PET2 update 738:

928 EN PET2 1978-1982 20231024.pdf

928 EN PET2 1983-1986 20231024.pdf

928 EN PET2 1987-1991 20231024.pdf

928 EN PET2 1992-1995 20231024.pdf


928 DE PET2 1978-1982 20231028.PDF

928 DE PET2 1983-1986 20231028.PDF

928 DE PET2 1987-1991 20231028.PDF

928 DE PET2 1992-1995 20231028.PDF


Bosch Parts catalog website:

Sebro Brake discs:

Note: all of the technical information is provided without any filtering. Any damage caused by using or applying the information is the risk of the reader. The publisher (me) can not take any legal responsibility whatsoever. Please do not use any information from this website if you do not accept this condition.



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