question on auto fluid change

sonic370 · 01-01-2011, 06:42 PM

hope this fits here. if you ask 10 people you get 5 different answers.....

if you drive normal and there is no sign of AT failure should you even bother to change the fluid and filter.. I've heard if it ain't broke leave it alone your just asking for trouble

TreeSemdyZee · 01-01-2011, 08:22 PM

Yes, you should change it. Failure often happens because people don't change it. 30k miles.
When there is a fluid and filter involved, there is need for changing. Oil, transmission fluid etc.

How often should the automatic transmission fluid... — Yahoo! Autos

dad · 01-01-2011, 10:38 PM

wilsonp · 01-02-2011, 03:32 PM

Nissan has a Service and Maintenance guide, and you can download the PDF from here.

It states the 370Z automatic fluid is maintenance free, and even the Premium Maintenance schedule inspections and replacements are not recommended for the 370Z.

The Schedule 1 (city driving) schedule doesn't recommend fluid replacement either unless towing, but does recommend inspection again except for the 370Z.

Nissan really means the 370Z auto is maintenance free.

Racer X · 01-02-2011, 05:29 PM

Quote:

Originally Posted by wilsonp

Nissan has a Service and Maintenance guide, and you can download the PDF from here.

It states the 370Z automatic fluid is maintenance free, and even the Premium Maintenance schedule inspections and replacements are not recommended for the 370Z.

The Schedule 1 (city driving) schedule doesn't recommend fluid replacement either unless towing, but does recommend inspection again except for the 370Z.

Nissan really means the 370Z auto is maintenance free.

But if the question was in general? Then Yes.

dad · 01-02-2011, 06:34 PM

Quote:

Originally Posted by wilsonp

Nissan has a Service and Maintenance guide, and you can download the PDF from here.

It states the 370Z automatic fluid is maintenance free, and even the Premium Maintenance schedule inspections and replacements are not recommended for the 370Z.

The Schedule 1 (city driving) schedule doesn't recommend fluid replacement either unless towing, but does recommend inspection again except for the 370Z.

Nissan really means the 370Z auto is maintenance free.

Maintenance free, that's incredible!

Z eliminator · 01-03-2011, 08:53 AM

I checked witht the my nissan dealer and you do not change the 7AT trannt fluid.
Im changing the Torque converter tomorrow and after we fill it . i will just be topping it up.

Z

marcussoori · 01-05-2011, 12:46 AM

What about the diff. fluid? Is that maintenance free as well? If not, what is the replacement schedule?

wilsonp · 01-05-2011, 06:22 PM

SMG Sched 1/2 says inspect every 15000 miles replace every 30k if driving on muddy/rough roads or towing.

Premium Schedule says inspect every 3750 miles (

) replace every 15k miles.

1slow370 · 01-06-2011, 05:02 AM

yeah but the premium schedule is made for people who can't seem to give the dealer or their mechanic enough money. rear diffs are more along the lines of 30,000 inspect 60,000 replace, unless you race or beat on it thoroughly

xdeslitx · 01-12-2011, 09:09 PM

Quote:

Originally Posted by hedi01

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sonic370 · 01-16-2011, 06:43 PM

well from what iv'e read here and the manual looks like it's best to just leave it alone..... i had one auto tech tell me sometimes it will do more harm than good.....

Spencer@Z1 · 01-16-2011, 07:13 PM

I would not recommend ignoring the auto transmission. Many manufacturers have the "maintenance free" transmissions for a few years now, and you will see more harm than good from observing the "maintenance free" guide. I have seen plenty of transmission failures over the years, and most were transmissions that were not serviced properly. On top of that you're in sports cars, sure the regular grind and stop and go traffic sucks, but most of you probably drive like Z owners from time to time (if not all the time). Driving more sporting or in manual mode will obviously cause more wear.

If you plan on keeping your Z for years and years, I would certainly recommend servicing your transmission. I am sure the added maintenance cost will be a small price to pay for the extended service life of your Z's transmission.

Before I get blasted, I am aware of the manual and what it says. I love nissan, but I am also aware that they are in the business of selling cars. A transmission failure on a high mileage car is another reason to get a new car. I'm not saying they build it for failure, but no maintenance, c'mon. I'm sure most of them will make it out of warranty.

Anyone check the price on a 7AT lately?

Z eliminator · 01-17-2011, 07:28 AM

Yes they cost around $9000.00 here in Toronto Canada
7600.00 US.
Tranney fluid is 11.50 / L = 120.00
I changed my torque converter and it is difficult to fill it up. It require's a check after you have drive it.

z

01-01-2011, 06:42 PM	#1 (permalink)
sonic370 A True Z Fanatic Join Date: May 2010 Location: Orange Texas Posts: 1,574 Drives: 09 370Z Sports PGK Rep Power: 17	question on auto fluid change hope this fits here. if you ask 10 people you get 5 different answers..... if you drive normal and there is no sign of AT failure should you even bother to change the fluid and filter.. I've heard if it ain't broke leave it alone your just asking for trouble

01-01-2011, 10:38 PM	#3 (permalink)
dad Grand Prix of Endurance Join Date: Nov 2008 Location: Tennessee Posts: 3,476 Drives: Mulsanne Straight Rep Power: 25	__________________ We can do without any article of luxury we have never had; but once obtained, it is not in human nature to surrender it voluntary.

01-02-2011, 03:32 PM	#4 (permalink)
wilsonp A True Z Fanatic Join Date: Jul 2010 Location: Virginia Posts: 1,134 Drives: 2009 Touring Sp Nav Rep Power: 16	Nissan has a Service and Maintenance guide, and you can download the PDF from here. It states the 370Z automatic fluid is maintenance free, and even the Premium Maintenance schedule inspections and replacements are not recommended for the 370Z. The Schedule 1 (city driving) schedule doesn't recommend fluid replacement either unless towing, but does recommend inspection again except for the 370Z. Nissan really means the 370Z auto is maintenance free. __________________ 2014 Cayman S PDK Sport Chrono White/Black Was 2009 370Z Touring Sport+Nav 7AT Metallic Black/Persimmon Was 1991 NSX Auto Black/Black

01-03-2011, 08:53 AM	#7 (permalink)
Z eliminator A True Z Fanatic Join Date: Jul 2009 Location: Ontario Canada Posts: 1,659 Drives: 370 Z 7AT Sports Rep Power: 18	I checked witht the my nissan dealer and you do not change the 7AT trannt fluid. Im changing the Torque converter tomorrow and after we fill it . i will just be topping it up. Z __________________ 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.

01-05-2011, 12:46 AM	#8 (permalink)
marcussoori Enthusiast Member Join Date: Mar 2009 Location: USA Posts: 468 Drives: 09 370Z Red AT Sport Rep Power: 16	What about the diff. fluid? Is that maintenance free as well? If not, what is the replacement schedule? __________________ Stillen CBE & G3 LTIs, Motordyne M370, Berk HFCs, H&R 15/20mm spacers, CiNcity headlights, yellow OEM strut brace, Password: JDM CF engine bay parts, EVO-R CF front bumper parts, CF "Z" badge, VIS CF hood, Fujimura CF "diffuser", Show-N-Go plate frame, Katzkin red interior, interior CF, Pioneer BT-90 full system, Viper SmartStart

01-01-2011, 08:22 PM	#2 (permalink)
TreeSemdyZee Premium Member Join Date: Dec 2009 Location: Kentuck-IANA Age: 59 Posts: 4,880 Drives: '09 370 & ‘14 Juke Rep Power: 27408	Yes, you should change it. Failure often happens because people don't change it. 30k miles. When there is a fluid and filter involved, there is need for changing. Oil, transmission fluid etc. How often should the automatic transmission fluid... — Yahoo! Autos

01-05-2011, 06:22 PM	#9 (permalink)
wilsonp A True Z Fanatic Join Date: Jul 2010 Location: Virginia Posts: 1,134 Drives: 2009 Touring Sp Nav Rep Power: 16	SMG Sched 1/2 says inspect every 15000 miles replace every 30k if driving on muddy/rough roads or towing. Premium Schedule says inspect every 3750 miles () replace every 15k miles. __________________ 2014 Cayman S PDK Sport Chrono White/Black Was 2009 370Z Touring Sport+Nav 7AT Metallic Black/Persimmon Was 1991 NSX Auto Black/Black Last edited by wilsonp; 01-06-2011 at 06:03 PM.

01-06-2011, 05:02 AM	#10 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7250	yeah but the premium schedule is made for people who can't seem to give the dealer or their mechanic enough money. rear diffs are more along the lines of 30,000 inspect 60,000 replace, unless you race or beat on it thoroughly __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

01-16-2011, 06:43 PM	#12 (permalink)
sonic370 A True Z Fanatic Join Date: May 2010 Location: Orange Texas Posts: 1,574 Drives: 09 370Z Sports PGK Rep Power: 17	well from what iv'e read here and the manual looks like it's best to just leave it alone..... i had one auto tech tell me sometimes it will do more harm than good.....

01-16-2011, 07:13 PM	#13 (permalink)
Spencer@Z1 Base Member Join Date: Oct 2010 Location: Hiram, GA Posts: 83 Drives: 2011 370Z track rat Rep Power: 14	I would not recommend ignoring the auto transmission. Many manufacturers have the "maintenance free" transmissions for a few years now, and you will see more harm than good from observing the "maintenance free" guide. I have seen plenty of transmission failures over the years, and most were transmissions that were not serviced properly. On top of that you're in sports cars, sure the regular grind and stop and go traffic sucks, but most of you probably drive like Z owners from time to time (if not all the time). Driving more sporting or in manual mode will obviously cause more wear. If you plan on keeping your Z for years and years, I would certainly recommend servicing your transmission. I am sure the added maintenance cost will be a small price to pay for the extended service life of your Z's transmission. Before I get blasted, I am aware of the manual and what it says. I love nissan, but I am also aware that they are in the business of selling cars. A transmission failure on a high mileage car is another reason to get a new car. I'm not saying they build it for failure, but no maintenance, c'mon. I'm sure most of them will make it out of warranty. Anyone check the price on a 7AT lately?

01-17-2011, 07:28 AM	#14 (permalink)
Z eliminator A True Z Fanatic Join Date: Jul 2009 Location: Ontario Canada Posts: 1,659 Drives: 370 Z 7AT Sports Rep Power: 18	Yes they cost around $9000.00 here in Toronto Canada 7600.00 US. Tranney fluid is 11.50 / L = 120.00 I changed my torque converter and it is difficult to fill it up. It require's a check after you have drive it. z __________________ 12.343 @114.14 . 4.5 stroker motor is now being built. Dec 1 2015.

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