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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > N57 EGR valve - cam drive "dried out"



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      07-29-2018, 07:21 AM   #23
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Quote:
Originally Posted by Wallace330d View Post
Just though I'd give an update on this; I popped the plastic cap off the egr actuator (I say popped but it took a fair effort with a pry bar to get it off!) then cleaned the cam lobe and bearing with some brake cleaner and worked it back and forward - it was initially sticky. I then used some red rubber grease on the lobe and popped it back together, after a drive the fault code has now cleared.

Nice easy and free fix!

This is the offending lobe which needs greased:

Hi mate!

Having the same egr issue.
4CAE - egr position sensor signal error thrown.

Question is how the heck did you manage to get that black plastic cap off the EGR? I can only release the clip on one side, the other being rather inaccessible.

Cheers!
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      07-29-2018, 09:20 AM   #24
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Originally Posted by Andy198712 View Post
cleaned my shaft below that cam as that was causing the sticking issue and its code free.... will keep an eye on the car and scan it regularly but been a week so far and normally came back on after every drive.
How did you manage to get the cover off? I've been trying for 2 days now and can't seem to make it come off, even though I pulled the 2 side clips to the sides.
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      07-29-2018, 12:12 PM   #25
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if you have pulled the two side clips outs enough it will lever up.... i ended up cracking mine as i couldn't get to the rear clip....

other option is get some spray oil (thin) with a straw an poke that under the cover and spray away then drive around and check for codes after a day or two
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      08-10-2020, 03:09 PM   #26
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Quote:
Originally Posted by Wallace330d View Post
Just though I'd give an update on this; I popped the plastic cap off the egr actuator (I say popped but it took a fair effort with a pry bar to get it off!) then cleaned the cam lobe and bearing with some brake cleaner and worked it back and forward - it was initially sticky. I then used some red rubber grease on the lobe and popped it back together, after a drive the fault code has now cleared.

Nice easy and free fix!

This is the offending lobe which needs greased:

Trying to get this cover off, how do you access the left side to unclip it? Feels like it will snap easily. Can just about get the right side off with trim pry tool but the left no idea how to access.
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      08-20-2020, 05:29 PM   #27
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try a little metal pick? it was a twat
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