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-   -   upper intake manifold removal? (https://www.rx8club.com/series-i-tech-garage-22/upper-intake-manifold-removal-177411/)

Mawnee 06-30-2009 06:33 PM

upper intake manifold removal?
 
I've removed the 4 bolts around the runners into the lower manifold. I cant find any other bolts for it. What am I missing ?

Thanks in advance for the help :)

Kane 06-30-2009 06:39 PM

Did you get all the other bolts? THrottle body - the two on the UIM by the oil filler neck etc?

StealthTL 06-30-2009 06:40 PM

Right above the dipstick are the two for the oil filler to block connection.

S

Jon316G 06-30-2009 06:40 PM


Originally Posted by Kane (Post 3094885)
the two on the UIM by the oil filler neck etc?

That one got me too.
There is a little bracket connecting the oil filler neck to the UIM.

Mawnee 06-30-2009 07:18 PM

Thanks guys, its actually the wires going into the 3 sensors under the intake. Is it just me or do manufactureres like to use the most difficult wire connectors in the areas you have the least room to work with? :rolleyes:

carbonRX8 06-30-2009 09:42 PM

That black sensor connector is a BYOTCH!

EDIT: I will mention that the first time I took off the UIM, I detached the two bolts under the UIM that holds the Oil filler tube. This took an hour. DO NOT do this. Just undo the nuts near the dipstick (use some electrical tape in the socket to hold yer nuts) take off the oil filler with the UIM.

Also label the middle vacuum line and its connector. One already has some white paint matching an identical dot on the switch. The other remains black.

04RX8man 06-30-2009 10:24 PM

any particular reason to b removing?

Mawnee 06-30-2009 11:36 PM


Originally Posted by carbonRX8 (Post 3095163)
That black sensor connector is a BYOTCH!

EDIT: I will mention that the first time I took off the UIM, I detached the two bolts under the UIM that holds the Oil filler tube. This took an hour. DO NOT do this. Just undo the nuts near the dipstick (use some electrical tape in the socket to hold yer nuts) take off the oil filler with the UIM.

Also label the middle vacuum line and its connector. One already has some white paint matching an identical dot on the switch. The other remains black.


LOL yup, it was the black one that gave me the most trouble.


Originally Posted by 04RX8man (Post 3095221)
any particular reason to b removing?

I"m kneedeep in a custom turbo build :)
https://www.rx8club.com/series-i-major-horsepower-upgrades-93/mawnees-custom-turbo-build-173808/

TeamRX8 07-01-2009 03:14 AM


Originally Posted by Mawnee (Post 3094878)
What am I missing ?


apparently the service manual :lol2:

Mawnee 07-01-2009 05:05 AM


Originally Posted by TeamRX8 (Post 3095508)
apparently the service manual :lol2:

I have one, but I think its a cheap version. The instructions are always vauge and show a crappy unhelpful illustration.
The page for removing the intake manifold was like:

Removal of intake manifold:

1. Remove intake manifold
2. Re-install in reverse order
3. Profit!

-Insert picture of random under hood object here-

carbonRX8 07-01-2009 08:28 AM

I just noticed that you live in Spring Hell! I grew up there. Went to Springstead; grad '89.

PM me your email and I will send you a chapter from my service manual. You can check and see if it is the same one. If it is a better one, can send you all the chapters that I have.

staticlag 07-01-2009 09:05 AM

Theres a bolt under the bracket for the fuel lines(or airlines, or whatever) right behind the throttle body. IMHO its the hardest bolt you will encounter in the rx8. Its on the reverse side under the bracket. I suggest a set of ratcheting combination wrenches to undo it.

carbonRX8 07-01-2009 09:11 AM


Originally Posted by staticlag (Post 3095711)
theres a bolt under the bracket for the fuel lines(or airlines, or whatever) right behind the throttle body. Imho its the hardest bolt you will encounter in the rx8. Its on the reverse side under the bracket. I suggest a set of ratcheting combination wrenches to undo it.

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Originally Posted by carbonrx8 (Post 3095163)
i will mention that the first time i took off the uim, i detached the two bolts under the uim that holds the oil filler tube. This took an hour. Do not do this. Just undo the nuts near the dipstick (use some electrical tape in the socket to hold yer nuts) take off the oil filler with the uim.


bhop 03-19-2013 10:10 AM

sorry for reviving this...
 
Should those two bolts that hold the bracket that holds the two lines cause a vacuum leak if they are not screwed in? (the bracket behind the throttle body under the intake track/hard to reach bolts)

Grace_Excel 03-19-2013 03:07 PM

Are you reffering to the pictures I attached below? The bracket (which, by the way, doesn't take an hour to remove as stated above your post) is just there to hold the tubes and will not cause leaks, but you will need to bolt the UIM back down to that part of the oil filler tube to keep it secured. And if you broke the plastic clamps that attaches to it, just ziptie those to keep both clipped in place with that bracket. I wouldn't neglect leaving those tubes hanging/flopping around, though.

http://photos-a.xx.fbcdn.net/hphotos...52912966_n.jpg

http://photos-b.ak.fbcdn.net/hphotos...92773153_n.jpg

http://photos-h.ak.fbcdn.net/hphotos...38084304_n.jpg

9krpmrx8 03-19-2013 03:16 PM


Originally Posted by bhop (Post 4442585)
Should those two bolts that hold the bracket that holds the two lines cause a vacuum leak if they are not screwed in? (the bracket behind the throttle body under the intake track/hard to reach bolts)

No. But they are easy to get too. Time to buy some tools :) But I always remove both pieces as one unit anyway. Take like 5 minutes.

nycgps 03-19-2013 07:27 PM

mine was left disconnected, didnt even notice it till around a year ago

bhop 03-19-2013 08:28 PM

Well then thats not obviously causing my lean issue. i didn't bother to take the whole tract off while replacing the ssv/solenoid. the real reason i asked is because my "data logger" (aka elms 327 bluetooh adapter/torque) suggest nothing abnormal as my afr's,vac,cat temp, STFT/LTFT etc numbers show "normal" numbers. But, the car struggles or chokes from about 4500-6800, then explodes to 9000rpm like nothings wrong. im just trying to narrow things down, to cat,fuel pump/line, or maybe stuck throttle body etc. (oh, this is me girlfriends car, soooo)


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