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DISCUSSION => Engine + Driveline => Topic started by: jdirty on September 02, 2011, 06:07:45 PM

Title: deeznuts!!
Post by: jdirty on September 02, 2011, 06:07:45 PM

and bolts actually.
i'm about to replace my head pretty soon.
as soon as i figure how much parts i need for my upper timing case and thermostat housing though..

i've been skimming through realoem and bmwfans. but upon checking two diagrams for the upper timing case.. i can't seem to decipher how much bolts i needed and which ones really. real oem shows the part number i need and the updated part number that replaced it as well. (unlike bmwfans.. :mad:) but when i look at this (http://realoem.com/bmw/showparts.do?model=AF93&mospid=47305&btnr=11_4383&hg=11&fg=10) diagram.. for part number 5.. it doesn't really say how many i need. as opposed to this (http://realoem.com/bmw/showparts.do?model=AF93&mospid=47305&btnr=11_4308&hg=11&fg=10) diagram's #5.. they seem to be in the same spot too me.. but obviously have different part numbers..

i'm just trying to figure out what and how much bolts i need for the upper timing case housing and thermostat housing.

this is probably so simple right for people but my brain is running low after writing several papers for Psychology. T_T

Title: deeznuts!!
Post by: bmwman91 on September 02, 2011, 08:28:41 PM

+1 internets for the thread title.

Upper TC cover: 11 x  M6x35 bolts
T-Stat housing: 4 x M6x30 bolts

As for the timing case itself, I can't remember. It uses like 5 or 6 different ones. Are you replacing existing ones, or did you lose them? There isn't really any reason to replace the bolts.

Title: deeznuts!!
Post by: bmwman91 on September 02, 2011, 08:30:29 PM

Oh, and I would get a M6x1 helicoil / thread repair kit. At the very least, the valve cover threads in the head strip. I had a couple of threads in the timing case & front of the head go too, and thread repair was needed.

http://bmw.e30tuner.com/articles_vchc.php

Title: deeznuts!!
Post by: jdirty on September 02, 2011, 11:36:36 PM

i just realized right now that i was looking at two irrelevant diagrams. i just needed the first diagram to look at since i just needed the upper tc bolts and the thermostat bolts.
replacing them seemed to be a must from what i remember when i was messing with them the last time. one of them even snapped inside the timing case..
i think my timing case itself is stripped. crap.
and yeah one of the vc threads were stripped on my old head.

Thanks for the info and the +1 internets!! :D

i love guides with pictures and you has a lot. your site is awesome.

Title: deeznuts!!
Post by: bmwman91 on September 03, 2011, 06:25:50 PM

For the record, masking off the whole head is probably unnecessary. If you go slowly you shouldn't spill any metal chips. Or, have a partner hold a shop vac hose where you are working to suck up the chips as they are produced.

Title: deeznuts!!
Post by: jdirty on September 12, 2011, 03:01:51 PM

i don't plan on reusing the head so i'm not worrying too much about it. i'm crossing my fingers that it'll be sometime before i have to do such. :p

on a side note i had to order a new screw cap plug for my timing chain tensioner.
the damn thing got rounded. and now i don't really know how to take it off. ughh