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Old 01-18-2013, 03:50 PM   #21
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Originally Posted by grndslm View Post
I'm not quite sure what "Spec ATF" is... so I guess the Max Gear is what we would need.
"Spec ATF" means the transmission specifies Automatic Transmission Fluid in the gear box. GM uses "Syncromesh" - "Synchromax" is Royal Purple's version.
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Old 01-18-2013, 10:03 PM   #22
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Originally Posted by Boozehero View Post
Wait a minute.... Every manual shift tranny on the planet has some brass components in them. What makes Nissan "special" in that they have such "delicate" transmissions?? I don't see yotas blowing thier 5 speeds, neither Ford,or Cheby or or or (well every tranny manufacturer will have problems, but Nissan seems to have TONS more)...
I have a Chevy S10 with a hot V6/5 speed. I kick the crap out of that tranny, it just keeps cruising.
Every manual shift D21 at all of the boneyards I cruise is missing a tranny. Doesn't that tell you something? 90% of the D21 auto trucks still have trannys in place.
I had to replace mine - the replacement pops out of 5th when you let off.
I call Nissan D21 5 speeds JUNK.
Sorry for the rant...
I think the real problem is that they put the fill hole too low on the manuals...

http://www.nissanpathfinders.net/for...ion-tsb/page-5

Or rather that the pre-'96 transmissions were actually not large enough to hold enough gear lube.
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Old 01-18-2013, 10:21 PM   #23
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Whoa.... on that page, it gives me a great idea that I think I'm gonna use!!

Quote:
I just slit the carpet an inch or two in the corners
BRILLIANT!!

I'm starting to toy with the idea of using a 140wt gear oil (GL-4, of course) in the truck for a couple days until the Red Line MT90 gets here. Anybody think this is just a really terrible idea?? Other than Mon, Tue, & Wed... the highs will be in the low 60s.

Thinking this will be a great idea to use some cheap oil to test my theory out about whether or not this is the Input Shaft Bearing. And, supposedly, the thicker oil will lube these bearings better.... more like a grease than a lightweight oil. Opinions??
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Old 01-19-2013, 01:04 AM   #24
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A lot of guys swap out the auto for the manual. If you have ever driven an automatic hardbody you'd understand why; they are SLUGS. The manual transmissions aren't junk; they are just delicate. People tend to listen to their local part store geniuses; and fill the transmission with the wrong fluid; thus causing them to become garbage and then they need replacing.

That being said; I'd just wait for the Redline to get there.
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Old 08-02-2013, 03:13 AM   #25
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So I just put a rebuilt FS5W71C in my 4WD Hardbody and was looking for some insight on this gear oil subject. I picked up some of this oil from O'Reilly's planning to fill up my new tranny and old transfer-case. It says GL-4 140 right on there, with no mention of GL-5 anywhere, although it does say GL-2 & GL-3 on the back. What does the 140 mean here? Is that the viscosity, like 140w? I've seen other oils such as 75w-140, but most of the recommended applications I've seen for Nissan say something like 75w90..what's the difference here?

Does anyone know if this would be a suitable candidate for my transmission or should I go with Redline MT-90 or Amsoil MTG?

Here's the back:


No mention of GL-5 anywhere. But what's 140 mean?
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Old 08-02-2013, 04:00 AM   #26
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thats the correct fluid as far as the GL rating goes, no sulfur brass additive. if it doesnt mention any weights otherwise on the package, i would assume it is 140W.
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Old 08-02-2013, 05:14 AM   #27
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Is 140w good for both my transmission and transfer-case? I'm in the midwest, where temps can be both extremely hot and extremely cold within a few months.
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Old 08-02-2013, 09:16 PM   #28
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Man Im glad I came across this. Im about to throw my 5spd in my truck....
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Old 08-02-2013, 09:23 PM   #29
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as for someone sayn that 5speeds are junk. Ive had mine in my truck for the 5-6years ive owned it. Only to find out I have a rear seal that needed replaced just recently, Having a bagged truck with a leaky rear seal is bad news. (driving with front up ass down allot). Im not saying driving around with it leaking is good. But Ive had no bad noises from my trany at all.
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Old 08-03-2013, 01:24 AM   #30
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Quote:
Originally Posted by Milliterate View Post
Is 140w good for both my transmission and transfer-case? I'm in the midwest, where temps can be both extremely hot and extremely cold within a few months.
wait and see what someone else says but i would say no. i think you would have problems especially if you have weather variances. it gets to be 40c in summer here and -40c in winter, i ran 75w-90 in my trans and rear diff and had no problems in any weather conditions. too thick of gear oil in the trans or diff when its cold wont circulate fast enough and metal to metal contact can happen

as for 5spd vs automatic, i prefer stickshifts all the way. less maintenance, more metal parts than liquid compared to a automatic trans, etc. only reason i have 2 automatics as a daily now is my left leg gets pain in it from something that happened years ago and pressing the clutch in stop n go traffic killed my left leg
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