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STX-550 V6 diesel engine owners
  #1  
Old 17-08-2012, 07:39 AM
hallmont hallmont is offline
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Default STX-550 V6 diesel engine owners

Are you aware that the 3.0 litre V6 motor has a unprotected oil cooler attached to the sump which is very vulnerable. I know because we punctured ours by clipping a rock which dropped the oil! To add to the problem Nissan do not have a replacement part in Aus. with the waiting time from Japan estimated to be 3-4 weeks. Nissan also do not make a sump guard or bash plate yet to suit this model. This is unacceptable as it is sold as a 4WD.
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  #2  
Old 17-08-2012, 08:01 AM
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nathand22 nathand22 is offline
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First of all welcome to the forum, oh and thanks for letting all of us know a little about you and your vehicle.

As for damage under the the car from going off road it is not uncommon at all for any 4x4, especially with modern 4x4's, it is for that exact reason that i had Nissan take my car before delivery to ARB to install BASH PLATES.
That is why so many companies make BASH PLATES as most if not ALL 4x4's need UNDER BODY PROTECTION.
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  #3  
Old 17-08-2012, 10:14 AM
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most 4x4's usually have some kind of sump protection as standard. usually flimsy as but its ok for light stuff. however some manafactures have had models where the designers went to sleep and things are fitted as an after thought. i recall one make where the radiator is very low and the bracket is very weak. very easy to bump which shoves it straight into the fan.

in the oil cooler is in a bad spot, protect it or move it.
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  #4  
Old 17-08-2012, 10:26 PM
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Quote:
Originally Posted by hallmont View Post
Are you aware that the 3.0 litre V6 motor has a unprotected oil cooler attached to the sump which is very vulnerable. I know because we punctured ours by clipping a rock which dropped the oil! To add to the problem Nissan do not have a replacement part in Aus. with the waiting time from Japan estimated to be 3-4 weeks. Nissan also do not make a sump guard or bash plate yet to suit this model. This is unacceptable as it is sold as a 4WD.
Had tjm make mine $780 from the radiator to back of gearbox
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550 fuel economy
  #5  
Old 22-01-2013, 03:25 AM
mannix mannix is offline
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Default 550 fuel economy

550 owners, how your fuel economy. Mine is poor get around 13 to 14 per 100ks running around. I live in the country so they are not stop start trips. Towing a 23ft van I get 20 to 28 ltrs per 100ks. I had a 3 ltr Patrol got between 12 to 14 ltrs per 100ks towing and between 8 & 10 running around. Went to a 2.5 Navara and dumped it because of shocking economy and now stuck with the 550. The dealer said they recalibrated the fuel pump (think that may be a furphy) made no difference. Put on a 3" exhust and tried a chip not much improvement.
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  #6  
Old 22-01-2013, 06:04 AM
TomAu TomAu is offline
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10/100 around town. About 9/100 towing two motorbikes.
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  #7  
Old 22-01-2013, 07:39 AM
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We are now at 8500km, City driving 11/100, country driving it drops to 10.6/100.
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  #8  
Old 22-01-2013, 09:18 AM
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matthewe2108 matthewe2108 is offline
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I average 10.2/100 driving long distance and 11/100 around town. But I am young and have a lead foot haha :P

The only major issue Iv had with my 550 is that intercooler pipe bursting,, but I will be getting hard piping kits made up in the near future.
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  #9  
Old 22-01-2013, 10:12 AM
chookc chookc is offline
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My 550 is now done 35000 18 months old and the economy has gradually crept up. Now sits on 13.5 around town and up to 17 towing 2 tonne boat around town. my ute is always fully loaded with work gear and my right foot is rather heavy. when first got ute fuel used to be around 11/100 but since a dodgy bacth of preminuim diesel that saw the rate rise to 22 / 100 town driving I haven't seen the figures drop back to below 13/100.
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  #10  
Old 22-01-2013, 10:50 AM
Busiboy Busiboy is offline
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Quote:
Originally Posted by A2_tha_MFK View Post
We are now at 8500km, City driving 11/100, country driving it drops to 10.6/100.
About the same here
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