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#141
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2004 BMW M3 Individual 2009 BMW E70 X5 35d 2011 BMW E70 X5 35d - Totaled 2009 BMW M3 E90 - SOLD 2006 E53 X5 4.8iS - SOLD 2002 E46 M3 Convertible - SOLD 2006 E46 M3 ZCP - SOLD 2011 E70 X5 35d - SOLD 2000 E39 ///M5 - SOLD 2003 E53 X5 4.6iS - SOLD 2006 E83 X3 3.0i MSport - SOLD 2000 E46 323Ci - SOLD |
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#142
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True that why I suggested hooking up the scanner and seeing what codes are present. Its a good measure before tearing into anything. If there are no codes then it may just be the transfer case.
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#143
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Not sure which transfer case you have, but I have an ATC500 in my garage off my old '05 4.8 that you can have if you pay the shipping.
Sent from my iPhone using Tapatalk
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#144
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Quote:
Thanks for the offer but I have the older style transfer case that's all mechanical with a set 40/60 front/rear ratio. ----------- Good news! I jacked up the X5 earlier today to check for what was causing the grinding, and I immediately saw that the front driveshaft was loose. Looks like it slipped out a bit and started grinding against the transfer case instead of being turned. It threw some grease around as well: I turned it by hand and I immediately found that it was causing the grinding when I was towing it. The super loud metal on metal grinding while in gear was probably the transfer case grinding against the disconnected driveshaft. I then set out to remove the front driveshaft to investigate further. All I had to do was remove the lower reinforcement plate (six 16mm bolts) and that gave me access to the front differential where the driveshaft was attached via a flex disc (guibo). I undid the bolts on that and then I was able to remove the driveshaft. The flex disc looked quite new and the splines on the driveshaft were greased with purple grease so it looks like somebody's serviced it recently, probably when the transmission got rebuilt by the previous owner. Check out how worn the driveshaft splines are: So it looks like I'll need a new front driveshaft. The splines in the transfer case didn't look bad at all so I think the transfer case is fine. Should I get one of the "improved" front driveshafts that are a half inch longer? I feel like that would help prevent something like this in the future. Any recommended sources for a front driveshaft? After removing the driveshaft, I thought I could drive the X5 as RWD, and I immediately got happy thoughts of doing smokey burnouts. Once I lowered the X5 back to the ground I found that this would not work. The good news is that there's no more grinding while in gear, the bad news is that the X5 still doesn't move while in gear, even while on the throttle. I assume the transfer case requires a front driveshaft connection (aka resistance) to work correctly? Just to check if the transfer case was okay otherwise, I jacked up the rear of the X5 and rotated the driveshaft. No grinding and everything rotated just fine, so everything's good with the rear portion of the drivetrain.
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2003 X5 4.6 | 2000 540i Touring Formerly owned: 2004 Range Rover | 2000 M5 | 2000 540i/6 1995 750il | 2003 Mercedes S500 | 2003 540i/6 |
#145
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Quote:
The 4.6 transmission is the the stock 5hp24. The torque convertor is different in the 4.6.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior Dallas |
#146
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Hello Danny,
I sent you my valve covers. Please check your mailbox. Also can I get a contact number? Greg
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2003 4.6is X5 2003 525it |
#147
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So I've been doing a bit of research and I think I'll be going with Cobra Transmission to source the parts for this job. They have brand new driveshafts with the 1" extended spline for $310. The only catch is that the extended driveshaft requires removing the transfer case to install it. Since I'll be removing the transfer case I figured I'd do a rebuild on it as well, being that it has 214k miles on it. A new chain is $82, new bearings are $20, new seals are $55, and a new front output shaft is around $400. So for under $1000 I'll have the driveshaft and transfer case all sorted, not bad. It honestly sounds like a pretty fun job.
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2003 X5 4.6 | 2000 540i Touring Formerly owned: 2004 Range Rover | 2000 M5 | 2000 540i/6 1995 750il | 2003 Mercedes S500 | 2003 540i/6 |
#148
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That's an awesome approach Danny and one that will surely give you truly long-term reliability of that part of the drive train.
That's kinda how I like to roll with my vehicles that I plan on keeping long term. If you gotta touch something and it's got a lot of miles and/or time in use on it, then give it a makeover and cry only once about the overhaul/repair/replacement efforts. Mike
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Mike Dallas, TX & Appleton, WI 2003 E53 4.4i Pearl Beige 2003 E46 330Xi Monaco Blue 2007 E90 335Xi Black Sapphire Metallic 2011 F25 X3 28i Black Sapphire Metallic |
#149
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Quote:
The two reasons I bought an X5 were 1) to tow home a wrecked E39 M5 parts car when I find one and 2) to have something to drive while I work on my 540i touring.
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2003 X5 4.6 | 2000 540i Touring Formerly owned: 2004 Range Rover | 2000 M5 | 2000 540i/6 1995 750il | 2003 Mercedes S500 | 2003 540i/6 |
#150
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Great planning for an >200K miles vehicle Danny!
When you get around to it I'm sure you'll be giving that tranny some attention. Mike
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Mike Dallas, TX & Appleton, WI 2003 E53 4.4i Pearl Beige 2003 E46 330Xi Monaco Blue 2007 E90 335Xi Black Sapphire Metallic 2011 F25 X3 28i Black Sapphire Metallic |
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