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  #1  
Old 10-18-2018, 08:42 PM
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Whistle Transmission rebuild or replace or something else?

Hello everyone,

After about 4 years and 50.000kms since I own my X5, the inevitable happened. My transmission couldn't hold any longer despite all my care and money on it.

It's been sitting parked in my garage for about 2 months now since the transmission failed. I really love this car, maybe in a sick and obsessive way So much that we had other 3 cars in the same time frame including an e46, a Grand Vitara 2007 and an Xterra 2002, and I didn't feel any passion for them. We still keep the Xterra for its simplicity and cheap maintenance costs.

Anyway, it was my first BMW and I've learned a lot about how to maintain it and I want to keep it more time but, now the transmission is not working properly.

Since this is my personal car, I don't use it very often, so, I took it for a short ride to a car specialized store to buy a few things for cleaning leather, dash, windows, windshield and a soft polish for the paint and trims. Then, when backing up from the parking lot, the X5 didn't move, I gave her a little more gas and suddenly the reverse engaged abruptly in the most terrifying way I've ever experienced and felt the worse, then tried to put her in D, and when I tried to go forward the car sounded somewhat metallic from the transmission, not much, but never heard it before, and then the car shaked a little and voila! Transmission failsafe prog. message and gong, stuck in 3rd.

Took her home immediately and cried like a baby for hours (just kidding, but I was close to that )

I scanned her and EGS reported errors 49 Symptom Gear Check, 53 Gear Check 3 and 56 Symptom GLUE

Checked the most common for me which is atf level, a little bit low (1/3 of quarter) and battery good. Refilled with half a quarter to let her spour until the correct level. Cleared errors and went for a ride.

This time the car had no issues going into reverse, then put her in D, and nothing happened until I push her a little, not even much, and again, shaked a little and trans failsafe prog appeared, stuck in 3rd.

Scanner gave basically same errors except for the GLUE (what is it?) one that didn't show up.

I think my problem is inside the transmission itself, in a form of physical wear, loosing atf pressure somewhere. Also, in park I can hear like a jet noise inside the transmission, not there before, at least I didn't notice it until now. When I move the selector to any other option (R,N,D) the noise is barely noticeable with all the engine noise.

I cannot afford to take her to a transmission shop right now, because the estimates I got from 5 places were basically asking for an amount that equals the value of the car which makes no sense to me ($6000-$7000).

My question would be: What is the best option then? buying a second hand one expecting it's fine (I don't like much this idea, but might be the cheapest route), or rebuild it myself in which case I'd ask if it's that hard, I have some tools and can buy if it's needed. I have a small garage, no elevator, and I'm kind of DIY inclined, I've done almost all the maintenance to my cars in the last 10 years or so, including engine basics, like gaskets for valve covers, pumps, etc., the stuff that breaks the most (coolant related, ABS, change or reprogram modules) but I have never taken apart or even removed a transmission before.

I've read a lot about the job I might need to do, but just want to make sure what would you do besides taking her to a repair shop?

I rather do it, no matter how long it takes me and make sure it is done correctly, but the people I've asked here in my country, mechanics included, told me they prefer to replace the whole thing with a used one and forget about it because they say is too difficult. However it is not the first time I hear something like that for other chores in my X5 that I ended doing myself.

Is that true? is it that difficult? is it that expensive to get the parts for rebuilding it? the thing I don't know and I fear the most is how to remove the transmission from the car since I don't have an elevator. I couldn't find a DIY for that specific task.

Mine is a 2002 with 4.4 V8 engine.

Any advice will be very welcome.
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  #2  
Old 10-19-2018, 11:20 AM
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Look up the user RPhil on the site. He lives in England and started rebuilding these as a hobby. Most of his posts or replies are about the tranny and will give you a lot of onsite. Many have posted about rebuilding them
Not sure about cost where you are. Here, speaking with my mech, it's cheaper for him to get a factory remanufactured unit, then have it rebuilt. It's also a better quality.
A lot of your cost would be pulling it and re-install. At least here.
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Old 10-19-2018, 05:33 PM
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Overhauling a 5HP24 is easy. Getting the thing out of the car and reinstalling it is, by far, the hardest bit.

http://www.jagrepair.com/images/Auto...r%20Manual.pdf

Phil
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Old 10-20-2018, 02:55 AM
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Thanks to both of you. Actually I was reading a lot of threads where RRPhil posted instructions, recommendations, and so on that Iíd love to meet him if I were living in England. Itís like my hero in this matter.
RRPhil, I have a friend of mine in England buying parts for other cars to resell them here in my country at this very moment. He told me he can try finding me a used one with low kms (lower than 70.000). Do you think it is worth buying one like that? Final cost to Costa Rica would be near $1500.

Or should I rebuild the one in my car? I donít know what is a good source for parts for this transmission. Can anyone give me a hint on this pls?

Thanks again.
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Old 10-20-2018, 12:37 PM
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No forward movement your drive drum is cracked or has fractured at the snap ring. Common problem and an easy fix once you get the trans apart.
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Old 10-20-2018, 02:00 PM
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.1 decrease 0-60 time = $1000 & DIY
 
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Using the scale of 1-10, 10 being highest difficultly and needing special or beyond basic tools I would put rebuilding a transmission at an 8-9. Included in that is the risk that you making a mistake and have to pull the transmission a second time.

The vast majority of the time I rebuild the devil I know rather than consider other options. In your case, I suggest that you get a couple of estimates to rebuild your transmission and estimates of rebuilt versions and make a decision from those numbers. I suggest the seller do the install.

However, if you are willing to invest in good quality special tools and can get your vehicle high enough in the air it becomes a decision of your confidence and research so that you fully understand what you are tackling. The risk of making a mistake is always higher the first time and there are numerous opportunities to do so this kind of project.

I DIY almost everything. If I were to have a transmission go I would have mine rebuilt and installed by rebuilder.
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Old 10-20-2018, 02:37 PM
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Quote:
Originally Posted by upallnight View Post
No forward movement your drive drum is cracked or has fractured at the snap ring. Common problem and an easy fix once you get the trans apart.
I think the same after reading about the common issues.
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Old 10-20-2018, 02:54 PM
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Quote:
Originally Posted by bcredliner View Post
Using the scale of 1-10, 10 being highest difficultly and needing special or beyond basic tools I would put rebuilding a transmission at an 8-9. Included in that is the risk that you making a mistake and have to pull the transmission a second time.

The vast majority of the time I rebuild the devil I know rather than consider other options. In your case, I suggest that you get a couple of estimates to rebuild your transmission and estimates of rebuilt versions and make a decision from those numbers. I suggest the seller do the install.

However, if you are willing to invest in good quality special tools and can get your vehicle high enough in the air it becomes a decision of your confidence and research so that you fully understand what you are tackling. The risk of making a mistake is always higher the first time and there are numerous opportunities to do so this kind of project.

I DIY almost everything. If I were to have a transmission go I would have mine rebuilt and installed by rebuilder.
Yes. I know itís one of the most difficult tasks to do but after 5-6 estimates averaging $6.500 for a car with a market value around $8000 here is just nuts. I like working on my car, and to be honest, Iíve had very bad luck with so called bmw specialists that made me spend a lot of money on things that most of the time didnít resolve my previous issues and for the last 3 and a half years Iíve done almost everything in the X5 myself.

In regard of redoing work, I donít mind if it happens. Iíll try my best. About tools, what special tools would I really need?
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Old 10-21-2018, 07:54 PM
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.1 decrease 0-60 time = $1000 & DIY
 
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As mentioned I don't DIY transmissions so don't know what you will need. Have you priced used transmissions?
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Old 10-21-2018, 11:13 PM
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Quote:
Originally Posted by bcredliner View Post
As mentioned I don't DIY transmissions so don't know what you will need. Have you priced used transmissions?
Yeap. Average for used transmissions = $1200
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