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  #11  
Old 09-18-2019, 09:42 PM
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BladeX5, while this amazing post from RRPhil covering the complete teardown of the ZF 6HP26 is not for your ZF 5HP24, it will give you an idea of the process...

https://xoutpost.com/bmw-sav-forums/...-teardown.html
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  #12  
Old 09-18-2019, 09:44 PM
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Quote:
Originally Posted by wpoll View Post
BladeX5, while this amazing post from RRPhil covering the complete teardown of the ZF 6HP26 is not for your ZF 5HP24, it will give you an idea of the process...

https://xoutpost.com/bmw-sav-forums/...-teardown.html
Nice finding! Thank you...
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  #13  
Old 09-19-2019, 10:45 AM
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I did this fairly basic post on the teardown of the 5HP24 nearly 10 years ago :https://www.rangerovers.net/threads/...eardown.27361/

Just to point out that the X5 transmissions (the 4.4i & 4.6iS) have a different back end to the Range Rover one shown in the teardown, due to the different transfer box





Phil
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  #14  
Old 09-19-2019, 10:53 AM
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Quote:
Originally Posted by RRPhil View Post
I did this fairly basic post on the teardown of the 5HP24 nearly 10 years ago :https://www.rangerovers.net/threads/...eardown.27361/

Just to point out that the X5 transmissions (the 4.4i & 4.6iS) have a different back end to the Range Rover one shown in the teardown, due to the different transfer box





Phil
Thanks a lot Phil! I'll try to tackle it today
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BMW X5 2002 4.4i V8 - What a headache!!!
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  #15  
Old 09-19-2019, 11:08 AM
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Phil,

I was reading your other thread in the Range Rover site and there are some special tools that I don't have, can you point me where to find them to buy?

https://www.rangerovers.net/threads/...61/post-371390

Thanks in advance
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  #16  
Old 09-19-2019, 02:52 PM
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Phil,

I won't be able to tear the transmission apart unless maybe the weekend (too much of business work to do), but I went to my car with this other transmission that slips in reverse when hot, and plugged the scanner to look for error codes, the only one I have right now in the transmission is this one, with a few ocurrences:

34 Sump oil temperature sensor - Replacement functionality active - error present

and it happened just 8 kms back from the odometer, so it was when I did have the issue with it.

Do you think that something like that could have an impact in drivability like the one I'm having with the reverse?

- Edit: tonight I went for a short ride with INPA connected to the car to see live data and still forward gears aren't a problem at all with this transmission, when stopped (pressing brake pedal) and D is engaged the Turbine speed stays in 0 and load % goes to about 36, however, when I put R the car first engages R gear and pulls backwards, turbine speed goes to 0, and load goes to 36-40, but that only last for about 2 seconds, then turbine is almost equal to engine revs, load goes down to 6 and obviously at this point reverse doesn't work, it can even roll forward in a barely inclined road to the front. This doesn't happen when cold but, it takes about 2-3 seconds to engage R in this situation and reverse doesn't feel that strong (I forgot to check inpa while it was cold to look for turbine speed).

Another finding besides the mentioned error is that I used an infrared thermometer reader and pointed it to the trans pan, temperature readings were between 67-74° C, while inpa was telling me it was at 95-97° C.

Also, I removed the fill plug when cold to see fluid aspect, and it was RED, which means, my mechanic or someone before him put another atf fluid, probably dexron or something similar. So, right now I have a lot of doubts about the job done by this last mechanic of mine... omg... I can catch a break.

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Last edited by BladeX5; 09-20-2019 at 12:53 AM.
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  #17  
Old 09-20-2019, 06:39 AM
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Temperature sensor problems are fairly common on the 5HP24, meaning that the internal wiring loom needs to be replaced.







This won’t be responsible for your reversing issue, although I admire your optimism.

Phil
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  #18  
Old 09-20-2019, 07:22 AM
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Quote:
Originally Posted by BladeX5 View Post
Phil,
I was reading your other thread in the Range Rover site and there are some special tools that I don't have, can you point me where to find them to buy?
Like I said, all the tools can be improvised. The clutch return spring compression tools can be fashioned from pieces of pipe, G clamps, etc. and I ask people to kindly post up photos of their creations, which often show a great deal of ingenuity











The rubber jump tubes can be extracted by screwing some form of threaded tool into them. You just need to be careful not to damage the bottom of the spot faces that they seal against in the D/E clutch drum.







Phil
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  #19  
Old 09-20-2019, 09:54 AM
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Quote:
Originally Posted by RRPhil View Post
Temperature sensor problems are fairly common on the 5HP24, meaning that the internal wiring loom needs to be replaced.

This won’t be responsible for your reversing issue, although I admire your optimism.

Phil
You made me laugh real hard with this statement, and you're right, way too optimistic.

Also, thanks for sharing other's ideas about the tools, I guess I need to first dissect the transmission to know the measurements. BTW, I did a quick reading of the PDF you sent me, and it gaves a better idea, and using Gary Ferraro's yt videos also helped me to feel less lost in the woods.

Thanks a lot for real! you're the man, I'll keep you posted
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BMW X5 2002 4.4i V8 - What a headache!!!

Last edited by BladeX5; 09-20-2019 at 10:00 AM.
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  #20  
Old 09-20-2019, 12:50 PM
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Quote:
Originally Posted by BladeX5 View Post
You made me laugh real hard with this statement, and you're right, way too optimistic.

Also, thanks for sharing other's ideas about the tools, I guess I need to first dissect the transmission to know the measurements. BTW, I did a quick reading of the PDF you sent me, and it gaves a better idea, and using Gary Ferraro's yt videos also helped me to feel less lost in the woods.

Thanks a lot for real! you're the man, I'll keep you posted
I hope you subscribe to Gary's YT channel if you plan on using his videos in your rebuild. Gary takes the time to make these videos and subscribers helps him make up a little of the time in term of money that he expends making these video.
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