1995 NAS transmission replacement - Defender Source
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  #1  
Old March 7th, 2016, 11:41 PM
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Bani
1995 NAS D90
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1995 NAS transmission replacement

My NAS D90 has about 93k miles on it and I'm the second owner. Ever since I purchased the car, shifting from first to second and from second to third requires a double clutch if you don't want to grind the gears.

Is this common for a truck of this mileage? Have any of you had similar issues and, if so, what did you decide to do about it.

I already have one estimate for a rebuilt transmission at $6k installed. I'm still in sticker shock.

It would be great to have a smooth driving experience but I think I can convince myself that double clutching is healthier for my wallet and serves as good exercise.

Any thoughts? comments? pointers?
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  #2  
Old March 7th, 2016, 11:53 PM
D90rovin
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Trans

Hey Zoo,
My previous AA yellow 95 with 125,xxx had the same issue. Pretty common from what I researched, especially if someone shifts hard/fast from 1st to 2nd and the synchro wears out.

I had a new clutch installed on mine which drastically helped the matter. From stop lights I would just try and feather shift and it was never a major problem.

My shop recommended just driving as is because, it could stay like that for 10 months or 10 years..since it never got worse.

I sold that sweet D90 and I miss it a lot. I'm going to go sulk now
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  #3  
Old March 8th, 2016, 12:21 AM
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Others will chime in, but no way it's 6k to rebuild an R380. I think there is a guy in AZ if I recall that most send their trannys to for rebuild. You could start with fluid change to buy some time, depending how bad the grind is.
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  #4  
Old March 8th, 2016, 12:22 AM
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Robert Lynch
1995 NAS
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Mine now has 143k on it and yes - same issues.. pretty common btw.. it hasn't gotten worse since 65K miles when i bought it..

No double clutching involved just easy placement of the gears is all you need to do.
use redline Trans fluid ot help but basically your rebuilding it or replacing it at some point..

if you want to fix it.. order a replacement from Ashcroft, I'll do that when my orignal clutch goes until then. its par for the course.
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  #5  
Old March 8th, 2016, 06:40 AM
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I'd be tempted to order a new box from Ashcroft, sell the old one here, someone will take it.

Now we just need to find you a decent shop to do the work. Which might as well include a new clutch "while we're there".
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  #6  
Old March 8th, 2016, 06:59 AM
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The syncros are badly worn and the Trans needs to be rebuilt. $6k is the price a mechanic will likely charge that is scared because they don't know what they're looking at.

Post up more specifically where you live and ask for suggestions of shops that know what they're doing.

Fix it and enjoy it. You'll be glad you did.
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  #7  
Old March 8th, 2016, 07:04 AM
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I bought the Ashcroft rebuild kit and I paid under 1 grand for the rebuild and install. The guy used the service manual hours and charged me the same hours under warranty repair vs out of warranty. The Ashcroft kit really made his job dead simple.
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  #8  
Old March 8th, 2016, 08:38 AM
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As said, keep your revs down when shifting into 2nd and Redline oil will help with shifting.
Redline MTL is available at Jegs.com
6k for a trans is insane.

Shops see LR and they charge insane prices, especially Defenders. If you mechanically inclined, buy the Defender workshop manual and fix it yourself. You will save mucho denaro...
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  #9  
Old March 8th, 2016, 09:20 AM
javelinadave
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Rob Dassler (Roadside Rob) is the right man for this job. He is located in ABQ. (505) 872-7818 Is his shops number.
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  #10  
Old March 8th, 2016, 09:41 AM
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Ashcroft or send it to Rob. I sent mine to Rob 5 years ago. Mine shifts like butter now. Probably the best functioning part of my vehicle now.

I never had the syncro issue though. Mine issue was the output shaft nearly rounded out.
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  #11  
Old March 9th, 2016, 02:17 AM
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Thanks for all the great advice. I reached out to the folks at Ashcroft and got a quote in just a few hours, although it's not clear if that price reflects me having to return my existing transmission as a core exchange. Just under $1k USD including shipping.

Also, I'm out in the bay area in California. Shipping my truck down to New Mexico and back again may be as costly as just having it fixed locally, no? I'll have to contact Rob to get the details.

I would love to save some cash and do the work myself but at this time I don't have a garage to do the work in.

I've been running redline in the transmission since I got it and unfortunately, it just didn't make a big enough difference. I agree with some of the comments above, I think this is the best money i can spend on the truck. The driving experience will be a night and day difference.
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  #12  
Old March 9th, 2016, 02:22 AM
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David Frank
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A rebuilt R380 from Ashcroft for $1k delivered? That doesn't sound bad at all to me. I would have expected it to be much more given their rep.

I've heard nothing but good things about Rob, but ABQ is $500+ in fuel round trip and it doesn't sound like your truck is up to it. 1k mile delivery is about the same price each way.
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  #13  
Old March 9th, 2016, 02:26 AM
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By the way, it looks like Southwest Rovers may have closed up shop. Their website is down and the latest review I can find is from 2009. I'll have to call them in the morning to double check.

------ Follow up post added March 8th, 2016 11:28 PM ------

David, check out their site:
Ashcroft Transmissions

495 pounds for the transmission and I got a quote for 200 to get it shipped. I believe, though, that the 495 price is on top of the core exchange. I've asked what the fee would be without exchanging cores. I'll keep you posted with what I find out.
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  #14  
Old March 9th, 2016, 10:29 AM
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Quote:
Originally Posted by Zooraya View Post
By the way, it looks like Southwest Rovers may have closed up shop. Their website is down and the latest review I can find is from 2009. I'll have to call them in the morning to double check.
Definitely not closed up unless something happened between now and last night when I left there.
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  #15  
Old March 9th, 2016, 10:46 AM
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Well that's good to know! Thanks!
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  #16  
Old March 9th, 2016, 11:17 AM
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You can always pull the trans or get someone to do it for you and just ship it to Rob. I think it cost me 100 each way from NC. Plus labor to have it pulled and reinstalled. Rob did the rebuild for 1200. I also got the cross drilled gear from him to install in the Tcase. This is the reason the output shafts go bad in the first place.
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  #17  
Old March 9th, 2016, 11:29 AM
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We have one in stock right now if need be, $2889
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  #18  
Old March 9th, 2016, 01:05 PM
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So an Ashcroft rebuilt replacement is 1k shipped? That sounds super reasonable and good to know should I ever have to replace my LT77.
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  #19  
Old March 9th, 2016, 01:15 PM
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Quote:
Originally Posted by WeBeCinYa View Post
So an Ashcroft rebuilt replacement is 1k shipped? That sounds super reasonable and good to know should I ever have to replace my LT77.
Did you ever contact them the last time, because I know they were brought up when you were having issues.

Quote:
Originally Posted by rdavisinva View Post

Quote:
Originally Posted by WeBeCinYa View Post
I agree, but automatic transmissions and rebuilding them is something I have no idea about. Anything else, I'd be willing to give it a shot. I don't care if I ever own another automatic car.
Here's where to get a rebuilt unit:

Ashcroft Transmissions
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Quote:
I am talking purely from an aesthetics standpoint.
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  #20  
Old March 9th, 2016, 01:17 PM
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Quote:
Originally Posted by rijosho View Post
Did you ever contact them the last time, because I know they were brought up when you were having issues.
Yeah I recall asking them about the auto's, didn't recall the manual pricing, but good to know.
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