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90 pathfinder wont shift into 4x4 while driving even super damm slow


burningbilly
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i hate having to ask these questions as i am a pretty intelligent guy who has took apart my transfer case ond cleaned it out on my other pathfinder which was a 89 and i rebult half of this 1 but i think i have some problems. when i am about to get in the truck and go for a ride i either have to put it into 4 hi then back to 2 or when i need to put it into 4 hi i have to stop. i have never have this problem with any of my otherpathfinders but hi now i do. it is now getting worse also as i get as clunk even going at about 5 mph. i dont think this is good lol but my fluids where all changed about 800 miles ago and the u joints look fine, the driveshaft's are snug with no play? i am almost ready to sell it if i cant fix it any ideas?

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Hey man, I'm still a noob but I too have a 90 pathfinder and there are 2 current threads on this issue that might help you, including a video by trailmaster

 

Here:

http://www.nissanpathfinders.net/forum/index.php?showtopic=16808

and here:

http://www.nissanpathfinders.net/forum/index.php?showtopic=7703

oh wait and here too:

http://www.nissanpathfinders.net/forum/index.php?showtopic=6957

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LOL blind dam i have had 2 pathfinders inthe last year the first 1 was a 89 exact same truck i and i could shift from 2 wheel to 4 hi under 45 kmh no problem same as this 1 when i got it so if u dont have any useful knowledge for me then well dont reply. i have been working on cars and trucks for 16 years i know when something is wrong. did u not understand my messsage then maybe i should ask and explain a little simpler when driving i used to be able to shift on the fly now i can't i have to stop or i get big clunks in the transfer case or maybe in the front diff. i am just wondering if anyone in a pathfinfder forum might have had this issue before. for the person who sent the link about the dummy how didn't know how to shift into 4 hi then 4 lo that information is not useful as i have a brian and know how to shift the problem is instead of being able to shift from 2 to 4hi on the fly now i have to stop and shift but i tell i know when i am in 4 lo and wow it works good

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I'd check your CV's, and hubs. It's possible you're not getting a quick enough lock up on the hubs, and that could be causing your grind, and/or clunk.

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How often are you trying to shift into 4wd on the fly? Mine will go into 4 hi fine most of the time, but every now and then it'll protest a little. Are you driving a 5 speed or an auto? Maybe it has something to do with it not being in sync while under a load. If you're in an auto maybe try putting it in N for a second while shifting. If you have a 5speed maybe you can push in the clutch while shifting. I'm just throwing out ideas that I would try if it were happening to mine, none of this is from experience.

 

I wouldn't think the cv's or auto hubs would have any effect on whether or not it'll shift into 4wd. They shouldn't be able to stop it from going into 4wd. If they were a problem you'd know after you were in 4wd.

 

Do you shift into and out of 4wd alot while on the trails or wherever you use 4wd? If so maybe you wore something out that keeps the gears in sync.

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