Blown Turbo Nissan Navara D22
Submitted: Sunday, Mar 10, 2013 at 15:43
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10320
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3
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Echo60
Just put in a new engine and had everything checked out; ie injector pump, injectors, etc. Radiator and turbo refurbished (thicker vanes and new core assay). Just completed 8,500 klms and the turbo has let go. Since new motor was put in it has blown black smoke but no one incl the authorized motor workshop or the turbo guru could/can explain why. Have had both a diesel injection specialist and a dyno tune completed and all specs were within Nissan requirements. Can anyone out there provide me with any clues why the turbo has failed and why black smoke is occurring from a brand new motor. Thanks in anticipation.
Reply By: Chops - Sunday, Mar 10, 2013 at 17:31
Sunday, Mar 10, 2013 at 17:31
Gday Echo,
Locate your Exhaust Gas Recirculation (EGR) valve if your engine has one, pull it off and
check that it is not blocked by soot. I replaced my turbo on my 4M40 Mitsy thinking it had died but after doing some research found that if the EGR is blocked you will get black smoke, missing while running, death rattles and a few other things that point to turbo or engine failure.
Hope this helps
Col
AnswerID:
506502
Follow Up By: Smouch - Sunday, Mar 10, 2013 at 18:00
Sunday, Mar 10, 2013 at 18:00
I gather when you say blocked you mean it's stuck in the open postiion. Yes, that would give more black smoke and poor performance.
FollowupID:
783459
Follow Up By: Patrol22 - Monday, Mar 11, 2013 at 13:54
Monday, Mar 11, 2013 at 13:54
Curious to know why you would make that recommendation Chops....I and just about everyone I know have purposely blocked our EGRs to stop the build up of soot in the intake side of the engine. The latest models have problems with this approach as the ECU is programmed to sense EGR blockages and will send the engine to limp mode.
The vehicles I'm referring to where fitment of an EGR blanking plate is almost a universal practice with the guys on the Navara
forum are the D40 and D22 Navaras pre 2011. I also know that it is common practice to fit an EGR blanking plate to Tritons and Patrols.
My 2008 auto D40 has had the EGR blocked for over 4 years and 100000km and I've not experienced any problems at all.....including production of black smoke.
Keen to understand the alternate view of not blocking though.
FollowupID:
783554
Follow Up By: Chops - Wednesday, Mar 13, 2013 at 00:03
Wednesday, Mar 13, 2013 at 00:03
Patrol22, No mention in the OP of blocking the EGR and congratulations that you and everyone you know have done it. As to recommending, what recommendation did I make? To
check if it is blocked by soot. Not everyone has done the blocking of this valve and as for blocking is almost a universal practice - interested to see the stats on this. The guy asked for help, I provided an idea. Nothing more. I can see that this
forum is still filled with the most arrogant anal posters on any
forum in the free world. A good reason not to be a member any more. Echo60 I wish you
well in your endeavours.
FollowupID:
783727
Follow Up By: Patrol22 - Wednesday, Mar 13, 2013 at 07:57
Wednesday, Mar 13, 2013 at 07:57
Wow bit of a touchy bugger aren't you Chops.....all I did was seek your advice on the alternative approach. But seems you read something different into my query. Sorry if I inadvertently stepped on your bunions.
FollowupID:
783734
Reply By: Echo60 - Sunday, Mar 10, 2013 at 19:04
Sunday, Mar 10, 2013 at 19:04
Thanks to both Echo & Smouch. Any info received is greatly appreciated & I will add this to
check list. Thanks once again
AnswerID:
506512
Follow Up By: Member - Toyocrusa (NSW) - Sunday, Mar 10, 2013 at 20:52
Sunday, Mar 10, 2013 at 20:52
Think you're Echo. The other bloke was Chops. Bloody Nissan's got you to the point where you dunno if your Arthur or Martha. lol. Bob
FollowupID:
783486
Follow Up By: olcoolone - Monday, Mar 11, 2013 at 10:00
Monday, Mar 11, 2013 at 10:00
LOL........LOL........LOL........LOL........LOL........LOL........LOL........
STOP! My sides are hurting from laughing....
FollowupID:
783527
Reply By: fisho64 - Monday, Mar 11, 2013 at 11:14
Monday, Mar 11, 2013 at 11:14
what exactly do you mean by "turbo has let go"?
Funny thing with those Nissan 4 cyl TD, I notice most if not all seem to puff out black smoke on acceleration, especially quite late model ones. Its hard to imagine how they could pass emission controls like that?
AnswerID:
506551