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I have a 1985 Nissan 300zx with a rebuilt trany but it will not shift into overdrive

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  • 8 Answers

Assuming it is an automatic check the temperature sender to the transmission computer. These will not shift to overdrive if not to at correct operating temperature. I have also had this problem with external coolers overcooling the transmission.

Posted on Nov 13, 2013

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Posted on Jan 02, 2017

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SOURCE: transmission does not always shift into overdrive

Governor pressure sensor or solenoid is going bad. To replace them drop the tranny pan, remove the filter , and the parts are pretty ez to get to. These aren't cheep thou, but replace them as a set. Parts will probly run about $200.

Posted on Feb 20, 2009

  • 1 Answer

SOURCE: 1986 nissan 300zx wont shift

1986300zx,will not shift into overdrive,mechanic says the overdrive solenoid is bad or the relay,the od light on the shifter states...help!

Posted on Mar 04, 2009

  • 103 Answers

SOURCE: easiest way to fix lifter tick/tap on a 1991 300zx

open the valve cover and feel all your lifters to see which is loose.

spin your push rod with your fingers while tightening your rocker arm(should be 5/8) once you can not spin the push rod any more give it 3/4 of a turn and your good to go repeat for any loose rocker arms.

Posted on Jan 29, 2010

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1 Answer

300zx overdrive


you have to change the over drive switch

Oct 19, 2013 | 1985 Nissan 300ZX

1 Answer

WHAT IS THE IGNITION TIMING FOR A 1988 NISSAN 300ZX NATURALLY ASPIRATED?


auto trany. 20 degrees at 600-700 RPM man. trany. 15 degrees at 650-750 RPM

Jan 08, 2011 | 1988 Nissan 300ZX

1 Answer

1985 Nissan 300zx seems to be "missing".


suspect 1) bad spark plug(s) - change whole set if needed, (2) failing ignition coil (3) failing
distributor component(s), or (4) worn out distributor cap and/or rotor - if these need to be changed,
change both the cap and rotor as a set.
COST: if yo do any of these repairs yourself, your parts costs would be fairly low, but getting a garage
to rebuild your distributor could be costly

Dec 27, 2010 | 1985 Nissan 300ZX

1 Answer

Where is the speed sensor located?


PROBLEM COULD BE IN THE DOWN SHIFT SOLENOID.

Apr 18, 2010 | 1991 Nissan 300ZX

1 Answer

Where is the fuel filter on a 1985 Nissan 300zx?


For 1985 Nissan/Datsun 300ZX 3.0L FI 6cyl the Fuel Filter is located: Under hood, passenger side, side of strut tower, mounted in fuel line hose.

Hope this help (remember rated this post) TY for using Fixya.

Apr 14, 2010 | 1985 Nissan 300ZX

3 Answers

Just bought a 1985 300zx ,what is the power on/off button for by the shifter


It is for shift timing for the transmission.

Off, or ECON(omy) on some models is faster shifting, to get you into a higher gear sooner, returning (hopefully) better gas mileage.

Power, or PWR on some models, is delayed shifting, holds the gears for longer amount of time to provide more acceleration per gear before shifting.

It is helpful for towing and making the car feel a little more sporty.

Sep 24, 2009 | 1985 Nissan 300ZX

1 Answer

Hi I havw question how many gears have 1991 nissan 300 zx tt automatic and when at chenging gears (rev) I heard around 4000rpm.


300zx auto will have 4 gears. 1-3 are normal running gears 4th is said to be an "overdrive" gear.

shift points should be under 4krpm, with light driving. my 300zx non-turbo usually shifts around 2-3K.

throttle position sensor could need adjustment or replacement. trans fluid should be checked to see if it's in good shape and full.

Jun 21, 2009 | 1991 Nissan 300ZX

3 Answers

Theres a "clunk in the trunk!!!"1988 nissan 300zx n/a


My 1985 300zx is doing the same basic thing. I believe that it may be my bushings, but im not exactly sure. Mine is noticable, yet not drastic as of yet. Let me know what you find out. -josh

May 15, 2009 | 1987 Nissan 300ZX

2 Answers

Spare Parts for 85' 3.0l VG30T 300ZX


Dear jmjkruger, Fri 2-19-2009 4:22am EST (USA)

RE: Online Auto Parts Stores 1985 Nissan 300ZX 3.0L VG30T

My first choice is @ http://www.autopartswarehouse.com/search/parts.php?N=11374+1684+4294965564&ddKeyword=rotors

They have 9,803 items for your 1985 Nissan 300ZX!

If they won't ship to you try one of the Online Auto Parts Stores listed on Google Search @
http://www.google.com/search?q=auto+parts+online+1985+Nissan+300ZX+3.0L+VG30T&rls=com.microsoft:en-us:IE-Address&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA_en

This should FixYa!
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af7d8ab.jpg Please Let Me Know How You Make Out or If I Can Help In Any Other Way!

Jan 13, 2009 | 1985 Nissan 300ZX

2 Answers

1986 nissan 300zx wont shift into overdrive


in the morning, the transmission will not shift into overdrive for a few miles. This is not a problem. It's designed to do this, allowing the transmission temperature to be warm to prevent damage. good luck happy holiday

Dec 22, 2008 | 1993 Nissan Maxima

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