Silver dude's 01 build thread

Silver dude

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Yeah I noticed a bit of slop in the input shaft. Think the end shaft bearings are bad. Was going to tear into it tonight but it got to late had to prepare my house for fathers day. Really need to get the pressure washer out (loud gas powered one) and blast the dust and gunk off the outside of the case as so I don't contaminate the guts with sand. If its just bearings and not several gears. I could be looking at a bearing rebuild as low as $99. Though I'd probably replace the syncros while I'm inside so it would be closer to $200. But, there are teeth attached to the drain plug which says some part is missing teeth. Used high mile transmissions are going for $700 on average. New one from ABC Nissan never used genuine original is $1475. Which... though high is a brand new unit that shifts like a dream which I'm sort of thinking about...


So tear it down find out how bad. Get the carnage report and decide what to do. I do feel thrill and excitement in this repair job. As tearing down a transmission is something I've never done. After this I can say I've rebuilt my transmission, replaced both both diff carriers and replaced low range gears in the transfer case. There is very little left of my truck that I have not seen before or laid my hands to. The pride that my truck is driven purely by my mechanical inteligence to repair it will drive me. The pride will hit me every time I change gears ok well maybe not but haha. So the knowledge gained might be worth it and if I can save money well why not.
 

Silver dude

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Thanks guys...


Split.... glug glug ;)

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Silver dude

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Haha well her guts are exposed.
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1st gear shows where those little chunks I found on my magnetic plug came from.
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5th gear overdrive has a cut going all the way around both gear teeth. I haven't yet decided if that was put in by Nissan to aid oil distribution or if something chunked the gear. I'm going with oil distribution as it looks so uniform.
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Turning the unit by hand something is dragging enough to roll fine, roll fine, lock it. I would assume a roller bearing under one of the gears blew up hence the source of my noise.


If we play this out it sort of makes sense. I had vibration at 45 mph right? So with 4 teeth missing from 1st gear (all the gears turn no matter what gear your in) once I hit 45mph. The absence of teeth on 1st gear caused the gear to be out of balance causing my vibration. Its a possibilty that the teeth have been broken for quite sometime. Over time the vibration of the gear being out of balance worked at destroying the bearing which holds the gear causing my truck to feel worse and worse. So this is what I think caused my issue.

Where to go from here? Its like they told me back in school the 3 C's CCC. 1.Complaint: vibration trans noise. 2.Cause: gear missing teeth and bearing failure. 3.Correction: I'm not sure.

As much as I hate to do it I'm thinking about reassembling it and bringing it past a local transmission shop. I don't have the gear / bearing pullers, I don't have a fancy snap-on parts washer, I don't have sources to discounted parts, I don't have bearing drivers, or even a feeler gauge. Heck I don't even have a work bench or big vise. The trans is up on a old cheaply made dresser my girlfriend was storing at my house. Sure.... I could possibly buy the tools with the labor cost I'd save. But, I don't have months to work on this project or trial and error sessions to work thru. Or the coin to buy the "good" tools I want to keep in my shop. If I put it back together and it explodes taking out all the gears I'll pick up the tab. If they do it it's warranty. I will admit I'm not a expert at how much needs to be replaced. As far as I'm concerned if this happened to 1st gear with 170,000 miles. The rest could be like ticking time bombs and I don't want to figure out when they will go. But, if the quote seems retarded to get it fixed say over $800 then I'll buy a parts washer and a ton of pullers, special tools, $500 in parts and go at it. But, a shop seems like the better option for a trans that will be running on borrowed time in the future as I'm not liable for its future faults within the warranty period. Just thinking out loud here.
 
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Silver dude

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$185 for all bearings and seals.

$195 to replace the bad gear.

So best case I did it myself.

$380

Worst case I dig in further and find more hard parts that need replacement. At that point then I'm better off locating a used trans and tossing fresh bearings at it.
 
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bigjim247365

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ill work on a lot of stuff on my X but trannys are scary sometimes man. :dead:

what ever path you chose, i hope to see ya on the road soon!
 

Silver dude

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Pretty sad when you call a few transmission shops and....

Oh.... we don't do stick shift.

Your better off locating a used one call the local savage yard.
Calls local savage yard.... we can't help you.

So I found one shop that said they are capable. But, they want $100 just to peek inside and price it out. He also said it will be expensive and that I'm better off finding a used one.

Browsing online and calling places gets me no where. I don't know where the low mile transmissions are but they are not easy to find.

Still struggling in my mind where to put my money at. Used with a unknown history or condition. Rebuilt high mile that will cost me 3/4 the price of a new trans. Or buy the parts and hope it works when I'm done with it.
 
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Jmac289gt

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Dickinson, TX
That is a tuff decision SD, The guys in our shop do not rebuild them anymore and have not for many years. You should be able to find a junk yard that can look all over for you to find one and most offer an option for a one year warranty but if you plan on keeping it for a really long time I would probably go with a rebuilt if you can find one.
 

Silver dude

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Yeah I spent the last two days looking for transmissions. Nissan stick shifts are really hard to locate. I've hit ebay, junkyard registries, looked everywhere google could bring me. Searched through interchanges 96-98 pathfinders and 98-04 frontiers. They either want way to much seems around $1100 or they have high miles I still have yet to find one with under 100,000. One I saw had 392,956miles....hahahah no thank you. The other problem is since it weighs so much they can only frieght it to a truck loading dock. I don't have access to a loading dock nor do my closest friends. I have not been able to locate a trans in the midwest at all always east or west coast. I wouldn't mind driving out of state but not cross country. Been in contact with several places to try to work it out. The more I try the more its seeming like a better option to rebuild what I have at no matter the cost. I know what's wrong with it and parts might run me $800 to $1200 which is better knowing its fresh and new inside. I guess I really need to disassemble it entirely then go from there make a list of every part I need etc. Start buying tools. It might be cheaper buying a used trans but its just that, used. So I guess I'll keep a eye out for the trans online. Tear it down the next few days and document what I need. I guess its a step forward from the no progress I've made the last few days.

, Ben
 
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Silver dude

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I considered it as well. There are tons of auto transmissions at like $500. But, the transfer case snout is different, the ecu is different, the pedals are different, the flywheel is different, the center dash is different, the wiring isn't present. By the time I changed it would be more costly and harder to make run again. I tossed the idea around it was a good idea but just more headaches then I want.

Ben
 

Silver dude

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Thanks. I went about ordering new Calmini torsion bars today. Looking forward to being back on the road. Might as well tune the truck up while its sitting stalled for a trans. Probably mount my newer used tires tomorrow. Then insulate the cab floor once I order and am waiting on trans parts. Having the xterra out of service doesn't have to be a bad thing.
Ben
 

ChiXterra

Wheeling
Jeez! I'll check around down here by my place to see if any of my shops have recommendations, or if they're willing to re-build it. You're only a little over an hour away, so its not like it is a huge drive.
 

Silver dude

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Yeah there are shops that will do it locally but the cost offsets any advantage. They would charge me $1300 or so by the time I'm done. You can order a trans brand new trans from nissan $1558 +85 to ship. I would but I figure its a lot of money in a older vehicle. The engine probably won't outlast the next trans. So I've decided I'm going to get my hands dirty and do it myself. I wasn't very confident, but many of my friends and family are confident in my ability and gave me the pep talk. Talking with my boss who is our transmission guy at work really took a load off. So I guess tear it back down over the next few days. Order parts install and be done with it. I have the resources and time. As my dad said what makes that mans hands better then yours. I've taken transmission classes in college. Though I am still inexperienced the factory service manual is extremely well detailed and does the work for you.

Ben
 
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Silver dude

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LOL

Well with the trans out and parts a few days out I decided now would be a good time to insulate the floor. I've noticed on hot days the floor heats the cabin to the point it almost feels like the climate control is turned to floor heat. It amplified with the installation of headers and removal of a few heat shields that rusted off. The heat grazes my knees warms my ankle and well it gets old.

So I tore the carpet out.
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I also made the decision to tear the passenger vents out. I never ride with passengers I have big amplifiers under each front seat that likely blocks the flow anyway. I have enormous size 15 feet so all the more floorboard room the better. Not sure its a great idea but well we'll see.


The stock sound deadener was just loose on the floor. Not effective, as its job is to add mass to the metal to stop it from reverberating (vibrating). We all know that sound is just vibration. Without something to dampen the metal it can act like a speaker. So I applied some Second Skin audio Dampifier.
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Then I went on to address the heat issue using a product called Reflextix. Its house insulation I got a roll 24"x25' for $20 at the local hardware store. Its 96% effective at reflecting heat. I wrapped my hand in a fold of it and instant warmth as the heat from my hand was reflected right back. The corvette guys whom have lots of hot floorboards turned me on to this stuff after a internet search. Its just aluminum bubble wrap like those windshield visors. Super easy to apply with aluminum tape and super affordable.
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Now that I have the carpet out I'll likely use some laundry detergent and a brush tomorrow and scrub it out.
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Considering doing the rear floor as well. Or at least under the cup holder for colder drinks. Should be more quiet as well as make the truck more comfortable and steady in temperature. This mod should really help on long highway trips. Won't know till I get the trans in and test. But, I'm confident in the materials I've used.
 
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Silver dude

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Lol! Funny you say that as while I was washing my carpet I was pondering the thought of some kind of vinyl floor that was waterproof.

I insulated the rear passenger area last night as well as the cup holder area. Tossed the passenger floor vents back in figured the carpet would lay funny without them. Painted all the cross members. New Calmini torsion bars will arrive Thursday.

Taking the tires on Thursday to get remounted and rebalanced. Giving thought to tearing into my SLR UCA's which need new sleeves machined. Having a spare car is really becoming an asset.

Ben
 
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