05 Murano project: engine swap - Page 3 - Nissan Murano Forum
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post #31 of 80 Old 11-10-2012, 02:33 AM Thread Starter
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Hats off to the OP. Hope it works out fine.

Definitely a huge undertaking. Something I don't want to be contemplating in attempting until I reach 200K + miles on my MO. Isn't it the reason we do all the preventive/over maintenance to avoid just this?

Good luck dude.
Thanks. And to answer your question, yes. The preventative maintenance will probably get you at least as far as the motor I had to pull out got to, 215K. I think given my knowledge of the previous owner who is one of my wife's very close friends, I consider the fact that it got to 215 a slight miracle in itself.

Tonight was spent cleaning. The explosion of the passenger axle had left some thick grease on the subframe and it has completely coated the inside of that wheel. I'll have to pull the wheel off and clean it separately this weekend.

So I wanted to show what the actual vehicle looked like instead of random shots of the engine bay.



This is what was given to me. Overall, it's quite clean inside except for a problem with the drivers seat. It has a missing piece of leather on the side, like someone did a skin graft and used the entire side of my seat as the donor. Regardless, the outside is dirty but should clean up fine.



Had to pull it out to start cleaning the gunk off the subframe.



Gunk on the subframe. It's a pretty old wound on the axle so the stuff is like glue at this point. It mocks any degreaser you throw at it, so I used an old standby. Fast Orange with a hard nylon brush. Not too worried about the paint in the engine bay so the abrasive quality of the Fast Orange was not a concern.



So I'm looking at the tranny. The motor I got came off a FWD, but of course I have an AWD tranny. The five red circles represent the bolts that go into the motor from the tranny side. The bottom bolts go motor side into the tranny. One issue is that the far right bolt is covered by the transmission/transfer case. I believe, and if I'm wrong and anyone knows, pipe up, that in place of this bolt is a connecting bracket.



This bracket. It looks like this bracket takes the load of that missing/covered bolt when an AWD tranny is used.

I did find a use for the broken exhaust part.



It makes a near perfect tire stop.

As of now, it's sitting out in the driveway, no motor, no hood, wires everywhere. I wanted it out of the garage so I could work on the motor and swapping the transmission which is my goal this weekend. I have to go pick up my KA24 motor from the machine shop in the morning, the wife is getting sick, and my daughter has been going ballistic the last 2 days, so if I get the tranny swapped this weekend, I'll consider it a victory. More to follow as events unfold.

/brox
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post #32 of 80 Old 11-10-2012, 05:19 AM
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makes me wanna study Auto mechanic!


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post #33 of 80 Old 11-10-2012, 07:47 AM
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makes me wanna study Auto mechanic!

It makes me glad there are auto mechanics. This is not for the unskilled and faint of heart! :eek:
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post #34 of 80 Old 11-10-2012, 10:51 AM
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There is very little one cannot do to a car if you get a shop manual, think things over, and are persistent and thorough. The question is often whether your available time and energy support the project.

I used to have lots of time and very little money - so I did all my own work. Today I find that occasionally i have more money and less time, so I turn it over to a shop more often. I can take an afternoon to change a wheel hub, but I can't take a week to change a major assembly. My 280ZX Turbo has been in the garage on jackstands for two months and I don't have the head off the darn thing yet.

If you have some time and any desire to learn mechanics, buy some tools and a shop manual, then just start. Do small jobs at first, and step it up as you go. The electronic stuff is increasingly difficult to do yourself, but the mechanical stuff like wheel hubs and brakes is just the same as it always has been.

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post #35 of 80 Old 11-10-2012, 11:00 PM Thread Starter
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I don't have the shop manual. I'm winging it. It just a motor. It's not rocket sciencestry.

As I was swinging the car around to face the garage this afternoon, I ran over a connector on the driver side harness and smashed it. I also pulled another wire completely out of the harness. I have no idea what they go to but I'll fix it.

All I'm doing tonight is cleaning the garage so I can move both the motors around and swap the transmission tomorrow night. So nothing to really update, unless you want to see my bucket of oil soaked towels.

/brox
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post #36 of 80 Old 11-10-2012, 11:11 PM
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I don't have the shop manual. I'm winging it. It just a motor. It's not rocket sciencestry.

As I was swinging the car around to face the garage this afternoon, I ran over a connector on the driver side harness and smashed it. I also pulled another wire completely out of the harness. I have no idea what they go to but I'll fix it.

All I'm doing tonight is cleaning the garage so I can move both the motors around and swap the transmission tomorrow night. So nothing to really update, unless you want to see my bucket of oil soaked towels.

/brox
You can purchase the manual with a one day subscription to Nissan Tech Info (download it). I have a feeling all those connectors you broke off/ran over will come to be a pain in the butt later on.

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Lots of squeaks and rattles.
R.I.P. 10/15/2015 CVT failure.
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post #37 of 80 Old 11-11-2012, 04:41 AM
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This should help.........Index of /FSM/murano/2005
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post #38 of 80 Old 11-11-2012, 12:36 PM
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Brilliant use off the broken exhaust part! LOL!!!

After 142K miles, my MO is history. Now sporting a loaded silver 2012 Ford Edge Limited with 20" wheels.
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post #39 of 80 Old 11-12-2012, 03:37 AM Thread Starter
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Steve stopped by again to help me pull the tranny off. Other than a bolt I missed on the transfer case it came right off. It wasn't a very exciting night and it's starting to get a little chilly here even in Texas, so there isn't much to see.

First thing was to remove the transfer case. I missed the bolt in the area around the motor mount. Steve found it and it fell right off. Then it immediately dropped all the fluid all over the floor. The focus of the night was actually spill containment as this fluid exodus was to occur several more times. Anyway, here is the transfer case.



It's incredibly small and light. Compared to a transfer case on something like a DSM, I bet it's 1/3 the weight if that. There were maybe 6-7 bolts holding it on in total.

And onto...



The transmission itself. Honestly, it's probably as heavy as the motor. The VQ motor is actually incredibly light. Two of us can move it quite comfortably and we are no he-men. The tranny dumped another considerable amount of fluid when it tipped over a bit but the real culprit of "Operation Tranny Fluid Clean Up" was...



This guy. The stall convertor probably dumped a full quart on the floor. Since the motor and transmission were basically on the ground when I separated them, there was nothing I could do. I should have drained it in advance but hindsight is whatever smart people do long before you think to do it. This picture was taken after I had already cleaned up the initial spill.

The stall convertor is held to the trigger plate/ring gear by 14mm nuts which you get at through an inspection port on the bottom of the motor. The big issue with these nuts is they are held on with eleventy billion pounds of torque. A breaker bar and hammer were no match. I'll have to fire up the compressor and knock them off with the impact tomorrow.

Other than that, we pulled off all the motor mounts, the PS pump, a few other odds and ends. Basically, all that I need off the old motor is the stall convertor. Once that's off, I'll get the other motor ready to go back in. Working on it only 2-3 hours a day has some disadvantages, but one advantage is that I don't get angry at it like I would if I was on it 10-12 hours in a row.

I ordered 6 quarts of Nissan NS-2 tranny fluid. I have no idea how much it actually needs or how to change it. My valve cover gaskets came in. I hope to have the motor back in the car by Friday and turn it over some time this weekend. That may be a stretch, but that's the plan.

/brox
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post #40 of 80 Old 11-13-2012, 03:36 AM Thread Starter
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I got a bunch done today in spite of my old motor trying to thwart my progress.

Last time we left I had separated the transmission and the old motor. The new motor did not come with either the flexplate or a torque converter, so those would have to be swapped. This seems like a simple task, but for one problem. Access.



This inspection hole is the only access to the 14mm nuts holding the torque converter to the flexplate. As noted yesterday, those nuts are really tight on there. I grabbed the impact and tried to get the first one off, only to round it completely off. This forced me to remove the oilpan to get better access at it.

Interesting, the oilpan is held on by about a dozen bolts, and 5 of those bolts are hidden inside the smaller pan which is attached to the main pan. So I literally had to remove the entire bottom of the motor.

So I did eventually get them off and swapped the plate and converter over.



So here we are as of now. I got new FelPro valve cover gaskets, bolted the VC's down. Replace the spark plugs, put the coils back on. I put the power steering pump back on and put the rear injector harness on. I put the new exhaust on to see how it would fit, see if the flanges would line up. It looks like it should fit fine and while the flanges are not exact, they should line up once I torque it down with gaskets.



Front of the motor looking pretty clean. You can see the merge collector goes under the tranny which I don't believe the stock one does, but I don't think it is going to hit anything. We'll see in a few days.



Here is the front header. The upper most circle is the bung for the upstream O2 sensor. The other circle is where I'll be welding on the second one.



Rear header. Circle marks where the new bung will be. Why they decided to tack weld the brand tag on the rear header, I have no idea.

So at this point I'm waiting on the tranny fluid. I can't put the transmission back on until I fill the torque converter. Essentially, every next step requires the tranny to be on, so the motor will hang there until my fluid come in.

/brox
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post #41 of 80 Old 11-13-2012, 10:42 AM
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Garage
The new motor is looking cleaaaan!!

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post #42 of 80 Old 11-13-2012, 04:31 PM
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There's a gotcha when you go to install the valve covers. There needs to be a cross of RTV at the sharpest transition of each one. Not sure if you did this but if you don't you'll have oil spewing all over the place. Check out this thread post number 3 pictures 2 and 3: How To -- Throttle Body, Spark Plugs, Firewall Valve Cover. This is covered in the service manual which I'm not sure you have at this point.

Good luck! Just trying to save you some rework down the line.

After 142K miles, my MO is history. Now sporting a loaded silver 2012 Ford Edge Limited with 20" wheels.
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post #43 of 80 Old 11-18-2012, 02:53 AM Thread Starter
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Just to update. I pulled out the seal on the transmission for the oil pump in order to replace it. I found one locally which I promptly destroyed trying to the transmission back on the motor. Now I have to wait until Tuesday to get a new seal.

I'll be bringing this transmission stabbing update to you in pictures soon enough, as explaining it is so complicated that words simply do it no justice. To put it bluntly, there had to be a better way, probably dozens of better ways, and they choose none of them. Two independently rotating shafts, plus a two pronged attachment for the oil pump hidden behind those shafts, all three have to line up, independent of each other, and you do all this blind. Even that last bit of information does not convey the stupidity of the connection between the motor and the transmission in this thing.

So, until Tuesday, rejoice in my abject and complete frustration.

/brox
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post #44 of 80 Old 11-18-2012, 08:58 AM
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This is all pretty amazing! I have to follow this to it's conclusion!
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post #45 of 80 Old 11-19-2012, 10:31 AM
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What are you using to hold the CVT in place? I hope you're not trying to pick up the CVT and hold it place or anything. Should be some kind of tranny hoist you can use.

After 142K miles, my MO is history. Now sporting a loaded silver 2012 Ford Edge Limited with 20" wheels.
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