Qdemption
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209 posts
Atlanta, GA
11-25-2003
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I'm going to be going through the same thing here in a couple of days Wes. I get the hoses for x-mas and then it is Plenum time. This will be a good way to join forces and help each other out on the little things that aren't easily accesible through the search feature. Wanna Race? Just kidding Man. You would win. I take a break like every 10 minutes. I think I have ADD. But then again, doesn't everyone?
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AZhitman
CEO
Offline
51125 posts
03 G35C s/c, 93 S13 Vert KA-T, 09 Cube, 72 240Z RB25, 63 NL320, 67 WRL411, 67.5 SPL311, 05 Frontier
Phx, AZ
4-29-2002
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I kep my ADD under control during long maintenance projects via a sufficient application of Corona... :)
TEAM NICO: 144,000 Nissan enthusiasts strong.
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This site dedicated to the memory of Stacey Lynn Childs 1970-2007
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Wow, that will be great.... Im starting the 26th....... And if we raced, I dont think I would win... Seriously, I work the whole time (no breaks except to stretch my back, it sucks being tall and bending over all day) but I go slow to make sure I dont screw up... last time i hurried I striped the threads on the Tstat cover and almost had a little disaster, had I not been at this same shop im going to!! (thank god for tap dies)...
Ive done probably as much research on this as humanly possible, and Ill be interested to hear what you come up with....
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Qdemption
Offline
209 posts
Atlanta, GA
11-25-2003
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So the 26th it is. Excellent. Combined we should be able to cruise through this job with ease. Yet again, another example of how NICO is worth its weight in gold. I am gonna hit up the search tonight for tips. How are you staying organized? I was just going to plastic baggy everything.
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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All of the hoses come individually wrapped in little baggies, and everything is well marked....I need to give you some things for this... Email me and Ill work something out!
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elwesso
Super Moderator
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31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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I also thought I would share this...... Here is my comprehensive list of things to do under the plenum.....1. Clean plenum-- duh
2. Clean EGR valve and pipe, and replace gasket.... Removal of pipe is recommended if the valve looks badly clogged.....
3. Clean IAC, and replace gasket
4. Clean TB and replace gasket
5. Replce PCV valve
6. Clean PCV hoses, that arent getting replaced if any
7. Inspect (but recommended to replace) knock sensors and harness
8. Clean the V part of the engine
9. Clean spark plugs
10 Clean valve covers
11. Ohm injectors
12. Inspect fuel lines
13. Remove intake runners and clean (DAEDALUS said that the metal gaskets need not be replaced) I think thats pretty comprehensive, if I left anything out let me know
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nuQ
Offline
1532 posts
nazareth, pennsylvania
1-23-2003
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GOOD LUCK WES AND QDEMPTION, WE'RE ALL COUNTING ON YOU!!!!!(AT LEAST I AM SO I CAN GO BY YOUR DETAILED NOTES AND PICS--HINT HINT). IF IT LOOKS LIKE SOMETHING MY DUMB BRAIN AND HANDS CAN TACKLE, I'LL BE FOLLOWING YOUR LEAD.
JEFF
1990 Q45- 87 BMW 325is
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AZhitman
CEO
Offline
51125 posts
03 G35C s/c, 93 S13 Vert KA-T, 09 Cube, 72 240Z RB25, 63 NL320, 67 WRL411, 67.5 SPL311, 05 Frontier
Phx, AZ
4-29-2002
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Don't forget new plenum gaskets!
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Yeah I have those too......I also thought about Ohming the coils Here are the FSM pages you need...... EM-6
EM-20
EM-25
EF-EC-232
EF-EC-233 If you have the infiniti parts list CD, here are the section diagrams you need...... 118 a/b
148 a/b
211 a/b section 140 is also marginally helpful......
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VA99Q45
Offline
181 posts
VA
12-5-2003
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How often or at what miles do you do all of these?
SHIFT_heaven!
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Q45tech has said you do this plenum job completely and at 100k....
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VA99Q45
Offline
181 posts
VA
12-5-2003
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Thanks elwesso,I am glad I don't have to do this until 37K more miles. I had such a fiasco just changing the spark plugs ;) BTW, I measured all my spark plugs coils, and they were between 1.4K - 1.7K Ohms.
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AZhitman
CEO
Offline
51125 posts
03 G35C s/c, 93 S13 Vert KA-T, 09 Cube, 72 240Z RB25, 63 NL320, 67 WRL411, 67.5 SPL311, 05 Frontier
Phx, AZ
4-29-2002
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Wes has really come a long way...I recall a very short time ago when he was quite the n00b. Nice work, sir. Good luck with your project.
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Haha.... i remember asking things like what is HICAS, how you do valve decarbs, the typical n00b question of what the plenum is, and other things like that..... Great times.... But probably not for you....Oh and hitman that was a year ago... :D Well in Feb when i got my precious baby!!!
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Qdemption
Offline
209 posts
Atlanta, GA
11-25-2003
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O.k. Wes,I have all the parts on the list you sent me except: none of the 14099 hoses (air hoses) & 14056-64U10 Hose-Water
14056-64U08 Hose-Water
14056-64U04 Hose-Water And I have 2 hoses that were not on the list: They are: 11823-60U62 Hose Assy-Blow By, A
11823-60U63 Hose-Blow By, A What I am wondering is if perhaps the 94 Q's are a little different than the '92s, concerning the "water hoses" and the "blow by" hoses. Now with the 14099 group (air hoses), I have a feeling that is a seperate kit that I need to purchase from scottsdale. BTW, Scottsdale really hooked it up. I had a total of $985 worth of parts and they knocked off $455. Along with the hoses I got a fuel pump, thermostat, strainer for the trans, and a oil pan gasket. Awesome!!
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Ok... I have started....I have the TB off (easy) and I have all of the obvious connections undone (many various hoses)... I disconnected the IAC, since I couldnt get the hose off and I still cant get it undone..... It seems like something is still fastened down, but I just cant get it off... What are some of the connections underneath the plenum that arent obvious...... If someone is reading this and knows whats going on, please call my cell phone at 765-621-8336......
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Well first off Id like to thank 911/Q45 for his help so far....http://www.nissaninfiniticlub....river So far, Ive learned 2 things.... I hate this damn thing, and dont even THINK about trying to save hoses.... Just forget about it, it will save you the ulcers!!! Now, I have a couple concerns..... I havent got the plenum off yet... There is something on the drivers side holding it down... It feels like the metal hoses, but ive chopped both those hoses back by the IAC (combined $60.. :( :( :mad: ).... It feels like its on the back, drivers side "leg" of the plenum... I have the plenum basically off on the passenger side, but it aint happening on the drivers side.... Heres a picture: 
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Id also like to add there is about an inch of play on the drivers side..... It sounds like a clanking noise (metal on metal)... As advised by 911/Q45, I removed the bracket right under where the TB meets the plenum.... I still have a few more things to remove underneath it, but those will be easy when the time comes......Oh Jesus, how am I ever gonna get this thing put back together!!
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nuQ
Offline
1532 posts
nazareth, pennsylvania
1-23-2003
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Hang in there Wes, I'm sure the experts will be riding to your side very soon!!!!!
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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I also had another concern.. I ripped up a bunch of those little itty bitty hoses, like that go to the FIC... IS there a size I can go and buy them in bulk, or do i have to buy them individually from Joe...
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911/Q45
Offline
1376 posts
Autos, Fitness
San Luis Obispo, CA
7-23-2002
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I think I can just about see the small bolt that holds that double metal pipe to the plenum near the EGR valve. Maybe the light from the flash is better than your work light. Keep digging, you're almost there.
Black over Gray 1990 Q45, JWT ECU & TCU, Rear Sway Bar, Eibach and Tokico, Stillen Tension Rods and Strut Brace , Skyline Brakes, Steel Hoses, 17x8 Wheels, 255/45 Sumitomo HTR+. Really is Mom's old car with 90K miles!
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
|
Well.... I went back over and undid that small bolt we talked about underneath the TB area... It definitely feels like its toward the back...... No luck...BTW, Im gonna get knife happy tomorrow... Gonna chop everything I can find.... I may call you tomorrow.... What times are best??
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911/Q45
Offline
1376 posts
Autos, Fitness
San Luis Obispo, CA
7-23-2002
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I'll be around after 9:30AM Pacific time/12:30 your time. I think your problem is further back than the TB, try lifting and working underneath from the passenger side.
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
|
Would there be anything under there that I could bend (and mess up) by forcing the plenum up...? Im gonna have the resident engine expert (my grandpa) and have him take a gander.Ill work on getting some better pictures tomrrow. I have started the writeup process, and its looking very good. I am starting to wish I had it when doing this job. So far, I ahve the plenum 90% off, TB clean, etc.....
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911/Q45
Offline
1376 posts
Autos, Fitness
San Luis Obispo, CA
7-23-2002
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You won't bend anything if you don't take it higher than your picture shows. Prop it up with a can or big deep socket so you can work with both hands and shine a bright light in there. Sometimes a dental mirror is handy too. Be sure to put paper towels inside the exposed intake runners to keep things from dropping in, don't ask how I know that!
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Qdemption
Offline
209 posts
Atlanta, GA
11-25-2003
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I have started on my plenum, as well.There is one hose I am worried about. It connects to the upper part of the plenum closest to the firewall, on the drivers side, in between the first and second runner, relatively speaking. It appears that the hose runs from the plenum then to a connector and proceeds to the master cylinder, or the thing that the master cylinder is connected to. I have checked my diagrams and it was not on there. Other than that, things are going fine. I can wiggle it a little bit, but that is about it. Back to the puzzle.........
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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THats the brake booster hose.. There are 2 sections, one that goes to the plenum, and one that goes to the booster.... I ordered the one that goes to the plenum seperately from what the list said.... Mine was so terrible that I couldnt get it to do anything.... I cut it right off the bat..... If you get into a predicament, feel free to call my cell number (its listed above and I gave it to you)...Also, I have the drivers side cover undone, and now the EGR is in the way :mad: .... If someone knows how to get the whole tube off, let me know (email or cell, cell preferably)... I looked under the car, and it looks like great fun to get that thing off... Thanks.....
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Qdemption
Offline
209 posts
Atlanta, GA
11-25-2003
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Cool, thanks. I am gonna be cutting that one too. Also, is it normal to have coolant leaking out of the hoses around the TB area? I just cut a hose and coolant came pouring out into the V area. Any thoughts??
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Qdemption
Offline
209 posts
Atlanta, GA
11-25-2003
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Phase one is over!!! My baby octopus is sitting right here next to me. Before I go cleaning the tentacles and what not, I will post a pic of what she looks like later tonight. As well as a pic of the V area.
Wes, I didn't even have to get the tube you are speaking of off. Are you talking about that metal pipe that connects to the EGR?
or the ones that run underneath where the TB would be located?
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DAEDALUS
Offline
6231 posts
1990 Q45
El Segundo, CA
7-22-2002
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The EGR pipe you can probably wiggle back and forth about 10 degrees. This will loosen it up a bit and you may be able to undo the flarenut at the bottom of the pipe with your hand.
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Robert- Do you think Ill be able to reach down there and loosen it up?? I can move the pipe a good distance.... maybe 6in laterally..... Its really loose, and Ill try it again tomorrow....I have the valve cover off but not out of the car because of the EGR.... :mad: Also, how the hizzle do you get to the knock sensors... I realize you must get those hoses off, but arent those metal coolant things in the way??? Boy as soon as I slit those its gonna open the flood gates!!! How am I ever going to get this thing back together.... Hopefully it wont be as hard as removal, because now I know where everything goes... I probably wont bother with some of those worthless brackets and stuff like that... One thing for the people reading this: Get all those little tiny vacuum hose and coolant hose, the itty bitty ones with no clamps... Fortunately, we have a bunch of that stuff laying around the shop (a good 6 feet), so I got lucky.
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911/Q45
Offline
1376 posts
Autos, Fitness
San Luis Obispo, CA
7-23-2002
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I just bent the EGR pipe out of the way and bent it back later with no bad effects. Unbolt the coolant necks in the valley and remove them and the hoses as a unit, then put them back in the same way. They seal up with RTV. Some of the vacuum hoses are molded with sharp bends, so you may not be able to use stock hose. Try your best to reattach all the brackets to avoid future mystery problems and rattles. What did the final hangup on the plenum turn out to be?
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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There was a bracket holding something on in the back, I think it held a connector of some sort... I didnt think about what I was removing, I just did it...Also, I might as well take the EGR pipe off since im going to have to take it off, since its really loose.... Maybe im wrong..... Ill try that, but with my luck Ill break it.... Im gonna have to call Joe on Monday to figure out what the deal is with those tiny hoses... Im sure for some people they break like noodles..... Also, I am having a heck of a time with the drivers side plastic cladding cover..... The one on the front, covering the VVT solenoid thingy.... again, I have to deal with tiny hoses going to the carbon canister, and I dont want to pull or cut them.... How did you get the plastic thing off??
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Oh, I thought id throw this in too...INJECTOR OHMS All within spec 1. 12.2
2. 11.3
3. 11.2
4. 11.4
5. 11.1
6. 11.2
7. 11.2
8. 11.6 THats from memory so Ill double check those from my notes tomorrow (its in the shop).... I know no1 was 12.2, and all the rest were in the 11's... Does this mean I have healthy injectors???
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911/Q45
Offline
1376 posts
Autos, Fitness
San Luis Obispo, CA
7-23-2002
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I just removed the whole carbon canister and replaced all the hoses involved with it. They are all stock sizes, so you can do it cheaply. Good ohms mean the injectors ar probably all good electrically, doesn't address how gunked up they may be or what happens when they are a different temperature or vibrating.
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DAEDALUS
Offline
6231 posts
1990 Q45
El Segundo, CA
7-22-2002
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Snake your hand down along the EGR pipe till you get to the nut at the bottom of it, then see if it'll unthread by hand. Unfortunately reassembly is not easier than disassembly, but for different reasons.
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elwesso
Super Moderator
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31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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How will I tighten the EGR tube once I need to put it back on??? I lifted the car up, and looked under there and I could hardly get my hand in there, let alone tools...Does anyone know if that little round thing on top of the carbon canister comes off??? Or am I gonna have to replace all that stuff???
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DAEDALUS
Offline
6231 posts
1990 Q45
El Segundo, CA
7-22-2002
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Once it's off you can measure the size of it. I forget what it was, maybe 19mm? I think I just tightened it by hand and then used a stubby wrench to finish it up. From above though, not from below. I don't recall having to take anything off the carbon cannister to remove it. Disconnected 3 hoses and the clamp is all I recall doing.
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elwesso
Super Moderator
Offline
31186 posts
94 Q45t 5 speed NICO Track Slut
Anderson and Angola IN
2-23-2003
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Thanks.... I worked around it, and the drivers side cover is resealed!!!! I dont have to worry about the plastic cladding anymore....Unfortunately my torque wrench only went to 15 ft/lbs, and it called for 10.... Hopefully it wont be a big deal that its too tight...... See my other thread with pictures with the covers off.....
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