Home > Maintenance & Mods (L322) > L322 3.6 TDV8 EGR Maintenance & Failure |
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Pawl Member Since: 07 Nov 2017 Location: West Midlands Posts: 682 |
In the worst case, the EGR valve breaks up and the broken parts are sucked / blown through the intake system, engine & turbos - creating lots of damage on the way to pistons, cylinder head valves and turbo vanes.
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1st Feb 2022 4:41pm |
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Chris1573 Member Since: 30 Jan 2021 Location: Gloucestershire Posts: 162 |
Hi Tom, I’ve started getting EGR faults so have a pair coming for replacement this weekend. At less than £500 in parts it seems worthwhile just to replace them as it’s quite a job to get at them. L322 2007 TDV8 3.6 |
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1st Feb 2022 9:39pm |
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TomB Member Since: 31 Jan 2022 Location: South East Posts: 10 |
Pawl, that does sound a tempting option, but I am unsure as to what damage will be done by blanking + damage to my wallet if VOSA ever get the cover off the engine or if I had a crash and insurance wanted to try and wiggle out of a claim because the car shouldn't have been on the road - probably unlikely but they are slippery suckers.
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1st Feb 2022 10:12pm |
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Chris1573 Member Since: 30 Jan 2021 Location: Gloucestershire Posts: 162 |
Tom, I think any mesh or screen would clog quickly leading to problems. I have ordered Valeo ones, which are effectively genuine. I seriously doubt the EGR would disintegrate straight out of the box with no warning, I suspect those that have disintegrated had been ignored and allowed to deteriorate over a long time.
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1st Feb 2022 10:26pm |
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TomB Member Since: 31 Jan 2022 Location: South East Posts: 10 |
Chris,
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1st Feb 2022 10:56pm |
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Chris1573 Member Since: 30 Jan 2021 Location: Gloucestershire Posts: 162 |
Hi Tom I used LRparts for the egrs and gaskets. Mainly because they stock the Valeo ones. Advanced factors are my favourite but they had a different brand so i chose to stick with the recommendation.
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1st Feb 2022 11:28pm |
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TomB Member Since: 31 Jan 2022 Location: South East Posts: 10 |
Hi Chris,
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1st Feb 2022 11:35pm |
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Pawl Member Since: 07 Nov 2017 Location: West Midlands Posts: 682 |
TomB, for info. the valve heads & valve stems look one piece to me after examining a pair of second hand genuine valves I bought to replace my faulty EGRs - very much like any normal inlet or exhaust valve.
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1st Feb 2022 11:44pm |
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Chris1573 Member Since: 30 Jan 2021 Location: Gloucestershire Posts: 162 |
Hi Tom I would say you would be better off removing the harness to get the intake manifold out. 15 year old plastic clips and plugs do not like being stressed, so trying to remove with out getting the loom out of the way is likely to cause more trouble than the time it would save. I would use gunk degreaser and a scraper to clean, I don’t think there is any liquid cleaner that would do much to the hardened carbon deposits. Although oven cleaner seems to be one option I am not sure I would want to risk it on plastics… L322 2007 TDV8 3.6 |
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2nd Feb 2022 7:32am |
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TomB Member Since: 31 Jan 2022 Location: South East Posts: 10 |
Hi Chris,
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7th Feb 2022 11:14pm |
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Chris1573 Member Since: 30 Jan 2021 Location: Gloucestershire Posts: 162 |
Hi Tom, I have not got onto it yet. My disco has had an injector issue so I had to pull the injectors out of it and take them to a test centre. Can't be without both cars so the Range Rover has to wait it's turn probably next weekend now. L322 2007 TDV8 3.6 |
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11th Feb 2022 8:18am |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1463 |
To replace the EGRs is totally a wiring harness off, manifold-out, plenum out and coolant drain down job.
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12th Feb 2022 11:16am |
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TomB Member Since: 31 Jan 2022 Location: South East Posts: 10 |
Hello Gary,
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12th Feb 2022 11:37pm |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1463 |
A pair of straight long reach hose clip pliers. Should be £30‐40.
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13th Feb 2022 1:42am |
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