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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 10-11-2014, 11:00 AM
richardcoelho richardcoelho is offline
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Location: FL
 
Join Date: Mar 2011
Posts: 147
Mein Auto: 2001 BMW 540i M sport
Need help please...Replaced CV

I recently decided to get rid of the tinging noise from my worn CV joint on my 2001 540i 6. I removed the D/S and checked the guibo and center support (which were still pretty good) also the car didnt have any vibrations before this. i got the new CV from ECS and removed it and hammered in the new one. i did notice that the movement on the CV was tight and would get locked at some angles,,,did i not hammer it in all the way? or too much? but i decided to pack it with the proper grease and install. Sure enough i get vibrations at low speeds almost immediately and they become harsh when i accelerate (since i think the D/S angel changes as the car squats making the CV joint tighten or lock up. Can anyone shed some light please? appreciate it guys
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  #2  
Old 10-12-2014, 08:56 AM
richardcoelho richardcoelho is offline
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damn ...nothing?
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  #3  
Old 10-12-2014, 09:21 AM
dvdlkd dvdlkd is offline
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Location: south carolina
 
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Mein Auto: 1997 528
Richard,
Difficult to troubleshoot with info provided. My CV joint on my driveshaft failed over a year ago and it was difficult to diagnose. I raised the car on a lift and ran it in gear. Traction control will need to be off to do this and i still got a light on the dash due to all four wheels not moving at same speed. We would stop one wheel at a time to rule out axle CV joints as the problem. With help from a real mechanic, we concluded it was the drive shaft CV joint. Driveshaft Specialist in Texas will send you a rebuilt driveshaft (new CV joint, center bearing, and U-Joint) for ~400$. This solved my problem. When i had the old drive shaft off, the CV joint was dry and would not move smoothly. The new CV joint was smooth in all directions. IF you have concluded that your problem is in the driveshaft, I suggest you replace the entire thing. Ensure you read the DIYs on this site. For my 97 528, I just lowered my exhaust from the rear to give room to remove the heat shield and get to the center bearing mounting bolts. You can then snake out the driveshaft and install the rebuilt one. Also, there is a lot of discussion on how to set up (position the support bracket) the center bearing depending whether this job is performed on a lift or with the rear on ramps (with weight on rear wheels) since this changes how the center bearing rides in the support bracket. PS: Light on dash (ABS I think) will go out after riding a few miles on the road.
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  #4  
Old 10-12-2014, 09:36 AM
rdl rdl is offline
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Mein Auto: 530i 2003
"tight and would get locked at some angles" doesn't sound good.

I've no experience with E39 CV joints, however CV joints that I have handled have never been what I'd call tight and certainly never any hitches or locking during rotation &/or bend/flex. Or I should say good CVs don't. Failed CVs do have clicks and hitches, which get noisier &/or more vibration with increased torque and more angle.

Did you follow procedure similar to that outlined in the attache image?
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  #5  
Old 10-12-2014, 04:18 PM
richardcoelho richardcoelho is offline
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Location: FL
 
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Mein Auto: 2001 BMW 540i M sport
Quote:
Originally Posted by rdl View Post
"tight and would get locked at some angles" doesn't sound good.

I've no experience with E39 CV joints, however CV joints that I have handled have never been what I'd call tight and certainly never any hitches or locking during rotation &/or bend/flex. Or I should say good CVs don't. Failed CVs do have clicks and hitches, which get noisier &/or more vibration with increased torque and more angle.

Did you follow procedure similar to that outlined in the attache image?
can you send me that post you got that diy from?
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  #6  
Old 10-12-2014, 04:22 PM
richardcoelho richardcoelho is offline
Officially Welcomed to the 'Fest
Location: FL
 
Join Date: Mar 2011
Posts: 147
Mein Auto: 2001 BMW 540i M sport
Quote:
Originally Posted by dvdlkd View Post
Richard,
Difficult to troubleshoot with info provided. My CV joint on my driveshaft failed over a year ago and it was difficult to diagnose. I raised the car on a lift and ran it in gear. Traction control will need to be off to do this and i still got a light on the dash due to all four wheels not moving at same speed. We would stop one wheel at a time to rule out axle CV joints as the problem. With help from a real mechanic, we concluded it was the drive shaft CV joint. Driveshaft Specialist in Texas will send you a rebuilt driveshaft (new CV joint, center bearing, and U-Joint) for ~400$. This solved my problem. When i had the old drive shaft off, the CV joint was dry and would not move smoothly. The new CV joint was smooth in all directions. IF you have concluded that your problem is in the driveshaft, I suggest you replace the entire thing. Ensure you read the DIYs on this site. For my 97 528, I just lowered my exhaust from the rear to give room to remove the heat shield and get to the center bearing mounting bolts. You can then snake out the driveshaft and install the rebuilt one. Also, there is a lot of discussion on how to set up (position the support bracket) the center bearing depending whether this job is performed on a lift or with the rear on ramps (with weight on rear wheels) since this changes how the center bearing rides in the support bracket. PS: Light on dash (ABS I think) will go out after riding a few miles on the road.
that does make sense with the car having no weight on the rear wheels, so maybe i should lift the front and get underneath with load on the rear wheels and readjust the center support bearing? also when i took it for a spin and rolling at 40ish or any speed i would punt it in gear and keep the clutch depressed and i would hear a weird metal sounding noise which goes away when the clutch is released in gear...
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  #7  
Old 10-12-2014, 07:18 PM
rdl rdl is offline
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Quote:
Originally Posted by richardcoelho View Post
can you send me that post you got that diy from?
Can't recall where it came from. It looks like a page from the Bentley manual.
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