 | Home > Puma (Tdci) > Egr strange noises |
 
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| RED-DOT Member Since: 29 Jun 2009 Location: stirling Posts: 2363  
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I fitted a new one some 2,000 miles ago and it's silent. 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..
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23rd Mar 2016 11:32am |
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| hornet Member Since: 04 Jan 2010 Location: Western Europe Posts: 361 |
What do you mean with "silent"? In any case it should perform cleaning cycles after switching off. Whats the brand of your EGR?
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23rd Mar 2016 12:09pm |
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| Birdy Member Since: 07 Oct 2011 Location: Côte d'Azur Posts: 868  
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"impending doom"
Mine's the same: the normal chucka chucka chucka on switching off now occurs occasionally when driving, more so when - as you describe - the clutch is depressed. I'm of the si fractum non sit, noli id reficere school, i.e. I wait until something physically breaks, then I know exactly what to replace. But can an EGR failure cause other problems, perhaps a breakdown? What's the worst that can happen? Peter |
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23rd Mar 2016 12:10pm |
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| hornet Member Since: 04 Jan 2010 Location: Western Europe Posts: 361 |
Multiple failures if the EGR does not close completely. In my opinion one of the most malicious parts. RTFM.
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23rd Mar 2016 12:27pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20453 
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The EGR if it has issues should flag up the MIL Amber light on dash.
If it does, it may go off. Ultimately at some point though it will come on and stay on which is an MOT failiure. If the EGR gets stuck closed everything will be fine but you'll have the MIL on all the time which you can't have permanently. mind you it could also mask any other problems too.... If they should arise. If the EGR gets stuck open it'll do the above and be in limp mode and will have awfully poor performance and possibly engine damage if left. Mine shut down, re-mapped and blanked. Buy a few EGR's and counter in the work and you've got a remap paid for and I've never had a squak from mine since thank god. (Pardon the pun) They also have the tendancy to make the engine sound and run like crap and the performance is rubbish. Also can use much more fuel.  Click image to enlarge Click image to enlarge I've tried to look for the WSM page regarding the bolt torques but can't seem to find it right now. Last edited by custom90 on 23rd Mar 2016 5:30pm. Edited 1 time in total |
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23rd Mar 2016 12:39pm |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971 
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Good luck getting a torque wrench in there!
At the least they will flag up a load of MAF related errors, as I've found. |
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23rd Mar 2016 12:50pm |
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| Birdy Member Since: 07 Oct 2011 Location: Côte d'Azur Posts: 868
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So, keep on keeping on...
... until a warning light comes on. Cheers, mind at rest. Peter |
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23rd Mar 2016 3:24pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20453
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I got a torque wrench on mine, the lowermost bolt is the most difficult though.
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23rd Mar 2016 5:31pm |
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| Flyingfocrs Member Since: 12 Jan 2015 Location: Deepest darkest Aberdeenshire Posts: 155 
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Must confess i've thought the economy has gotten a little worse recently as well.
Looks like a new EGR will be getting ordered then. |
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23rd Mar 2016 7:14pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20453
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It can cause MAF codes to flag up electronically once checked also can affect general performance.
I would say from what you've mentioned you've had the same scenario as I had. 'EGR stuck closed' New Genuine is are £160 which is ridiculous.  |
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23rd Mar 2016 7:19pm |
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| hornet Member Since: 04 Jan 2010 Location: Western Europe Posts: 361 |
[quote="custom90steve"]
Buy a few EGR's and counter in the work and you've got a remap paid for and I've never had a squak from mine since thank god. (Pardon the pun) [/quote] This is what I also totally recommend. VW had the same idea... :thumbsup: [quote="custom90steve"] I've tried to look for the WSM page regarding the bolt torques but can't seem to find it right now. [/quote] There exist M8 and M6 screws, manual says 23/10 Nm |
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24th Mar 2016 7:05am |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 
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Is EGR stuck closed an issue or likely to effect performance? Is it not just stuck open that's an issue? |
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24th Mar 2016 9:09am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20453
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Hornet - Yes, that sounds correct. I know it's in the WSM but I don't have easy access to it on the Tablet.
Supacat - Well EGR 'stuck closed' is likely to be less of an issue and may even partially increase performance as its effectively blanked. However, due to it not being shut off electronically it will be sending fault signals and thus effects the rest of the whole system in. Particular the MAF sensor. It can put various readings about and still affect performance. (Plus MIL) However, EGR 'stuck open' is much more of a worse issue as exact gasses will be exiting through it permanently which is never supposed to be permanently. It will do all of the above and so I've heard have a heightened affect on performance and may even result in breakdown or ending up in a dangerous limp more situation. As I mentioned above, the fact that Genuine are now £160 each for these and that is providing that you replace yourself a few of them and you've got a good tune for yourself that gives you other benefits too. A tune would render it obsolete permanently and blanked, mine has been two years now no problem from Alive. My EGR now is still faulty but because it's shut down it doesn't even matter. I hate to so think what stealers must charge for supply and fit of them inclusive? |
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24th Mar 2016 10:12am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20453
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P.S. If you did always secretly want a tune, now would be your excuse to "fix" it to your OH / Wife.
  
And explain the slightly more expensive permanent fix. Ped finitely recommend Alive though.  |
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24th Mar 2016 10:14am |
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