Question about 1990 Nissan Minivan

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Gears grinding and selectors having trouble.

The vehicle is a Nissan Urvan manufactured in March 1991. It has a 5speed Nissan floor-shift manual transmission. Got under it and from the Gearbox housing towards front where bolts and attachment is, has oil leaking. Does this mean most likely a New Seal needed, (kinda like the Gasket Seal on the Head?). Will this fix it, or may there be a further problem?. Plus what Oil type is required in the Gearbox for this model please and can it be fixed by strong hands or does it need special tools and comprehensive positioning inside to place new seal? Help, thanks Donna

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  • aimanwss Jan 05, 2009

    nissan urvan have timing belt?

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 42 Answers

SOURCE: Both front and rear seals on transmission leak and need replacing

That is alot of work. It would **** to have a mechanic paid to do this but unless you are pretty good with a wrench and have a hoist and such then it wouldnt be worth your time. Normally what is required for something like this is supporting the vehicle on jack stands and removing both front tires. Once front tires are removed you would then have to remove the axles which includes the brakes/rotors and what not. Once the axles where removed you would unbolt the transmission and remove it. Now the problem is if the engine is supported by a mount that bolts to the transmission you are going to have to support the motor with a hoist or jack until the transmission is installed. All in all it isnt really alot of work if you know what you are getting yourself into and have all the stuff you are going to need ie jacks/hoists/plenty of tools and a good weekend. Also remember all the small stuff that might need to be unbolted to clear the transmission

Posted on Mar 20, 2009

  • 2309 Answers

SOURCE: hi my name is frik I have a oil leak on front and

you will have to removhe the gearbox, while you are at it check for bearing play, and it is a good time for replace the fluid and chaeck for filings

Posted on Jul 19, 2010

  • 3 Answers

SOURCE: 1997 nissan maxima. small oil

sea foam makes an additive for reconditioning seals in the engine(rear main included)....cost about twelve dollars....use according to directions on package...then sell

Posted on Sep 22, 2010

  • 1 Answer

SOURCE: oil pan gasket leaking 1996 Nissan 200sx. How to

you should be able to access the nuts with a 3/8" exstension with socket

Posted on Sep 26, 2010

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My 2007 Lincoln MKZ gear shifter is getting stuck in park and comes out after trying a little while, not every time but its increasing more and more.


On your vehicle there is a shifter interlock system ,it's a safety feature . Doesn't allow shifter to be put into gear if your foot isn't on the brake pedal .
Visual Inspection Chart Mechanical Electrical
  • Transmission shift cable
  • Manual control lever
  • Transmission control module out of adjustment (6-speed transaxle)
  • Fuse
  • Connections
  • Wiring harness
  • Brake pedal position (BPP) switch
  • Shift lock actuator
  • Transmission control (TC) switch (MKZ)
Diagnostic Trouble Code (DTC) Chart
DTC Component Description Condition Symptom Action B2572 Brake Shift Interlock Brake Shift Interlock Output Circuit Failure The associated circuitry connected to the smart junction box (SJB) or fuse, or the SJB itself may have an issue causing a brake shift interlock concern. Brake shift interlock is inoperative or does not operate correctly. Go To Pinpoint Test A . Symptom Chart
SYMPTOM CHART Condition Possible Sources Action
  • Shift interlock system does not release/lock correctly
  • Circuitry open/shorted
  • Fuse(s)
  • Stoplight switch
  • Go To Pinpoint Test A .
  • Shift interlock system does not release/lock correctly
  • Shift lock actuator
  • INSTALL a new selector lever assembly. REFER to Selector Lever in this section.
PINPOINT TEST A: THE SHIFT INTERLOCK SYSTEM DOES NOT RELEASE/LOCK CORRECTLY Test Step Result / Action to Take A1 TEST THE BRAKE LIGHTS
  • Apply the brake pedal and view the brake lights.
  • Do the brake lights illuminate?
Yes
GO to A2 .

No
REFER to Section 417-01 . A2 TEST SHIFT INTERLOCK ACTUATOR POWER CIRCUIT
  • Disconnect: Floor Shifter Harness Connector C3245.
  • Key in ON position.
  • Vehicles equipped with a 3.0L or a 2.3L engine, measure the voltage between floor shifter harness connector C3245-1, vehicle harness side and ground, while applying the brake pedal.
    s7s~tr~en~file=n0042138.gif~gen~ref.gif
  • Vehicles equipped with a 3.5L engine, measure the voltage between floor shifter harness connector C2096-1, vehicle harness side and ground, while applying the brake pedal.
    s7s~tr~en~file=n0053796.gif~gen~ref.gif
  • Is the voltage greater than 10 volts?
Yes
GO to A3 .

No
REPAIR the circuit. TEST the system for normal operation. A3 TEST SHIFT INTERLOCK ACTUATOR GROUND CIRCUIT
  • Key in OFF position.
  • Vehicles equipped with a 3.0L or a 2.3L engine, measure the resistance between floor shifter harness connector C3245-4, vehicle harness side and ground.
    s7s~tr~en~file=n0042139.gif~gen~ref.gif
  • Vehicles equipped with a 3.5L engine, measure the resistance between floor shifter harness connector C2096-5, vehicle harness side and ground.
    s7s~tr~en~file=n0053797.gif~gen~ref.gif
  • Is the resistance less than 5 ohms?
Yes
INSTALL a new selector lever. REFER to Selector Lever in this section.

No
REPAIR the circuit. TEST the system for normal operation. Don't try to force it , you'll break something !

Sep 22, 2016 | 2007 Lincoln MKZ

1 Answer

What do I have to take apart to replace floor shift gear selector cable for bf falcon


HI TERRY, PLEASE FIND ATTACHED PIC AND INSTRUCTIONS
REGARDS
RAMON HEWITT

REMOVAL AND INSTALLATION (Continued)

Gear Shift - Floor Mounted

Removal

1. Raise the vehicle and disconnect the transmission

shift cable from the lower selector lever.

2. Disconnect the four nuts that attach the housing 6. Remove the whole floor shift housing by lifting

to the floorpan. vertically

Installation

1. To install the floor shift housing to the floorpan

reverse the above instructions in order 6, 5, 4.

2. Place the selector lever in the 'P' position.

3. Raise the vehicle.

4. Reconnect the four nuts that attach the housing to

the floorpan.

5. Install the shift cable back onto the lower selector

lever.

6. Tighten the lock nut to the required torque to 28

Nm.

7. Lower the vehicle and check transmission

operation in each selector lever detent position.

3. Lower the vehicle. 8. Check that the mode light functions correctly. For

4. Remove the centre console (Refer to section further information, refer to Section 307-05.

307-05).

5. Detach the back light bulb/wiring.
BF00006

I6 Floor mount shift components




section-o3hkq3h1y2txbnlxtvioicte-3-0.png

Jan 12, 2015 | Cars & Trucks

2 Answers

I have troubles shifting gears they grind. The clutch pedal is very weak and low but it still spring up a little. What could be wrong?


If a manual clutch , adjust the free play at the clutch fork around 1/8 inch. if hydraulic top up fluid or bleed out air.

Oct 16, 2014 | Cars & Trucks

1 Answer

Manual transmission grind


Be sure to depress the clutch to the floor when shifting. Sounds like you're wearing down your synchros for those gears. As far as solutions, the only actual solution is to get your transmission fixed. You can, however, "make it ride" a little longer by synchronizing the rpms yourself using the gas pedal.

Oct 16, 2012 | 2008 Pontiac Vibe

1 Answer

I have a 96 nissan xe pickup 4x4 standard shift. The gears seems to shift better (not good) when engine is still cool, and the more I drive the harder it is to shift. I have to take clutch petal all the...


Depending how many miles are on the vehicle, the clutch plate may need to be replaced. Do you hear any strange "grinding" noises when engaging or disengaging the clutch? I'm assuming you have checked the hydraulic fluid in the reservoir and it is full. You may also want to change the fluid as hydraulic fluid deteriorates over time and it may not be completely disengaging the clutch. Please rate this answer, thanks.

Feb 01, 2011 | 1995 Nissan Pickup

1 Answer

I have a 5speed manual transmission and it sounds as if the gears are grinding while driving in all gears. The transmission shifts ok, and does not slip, just makes the noise. Can the gears be out of...


The clutch needs an adjustment. What's happening is the clutch isn't completely engaging while you shift, causing the grinding. Once properly adjusted, the grinding will disappear.

Oct 25, 2009 | 1990 Nissan Maxima

1 Answer

Trouble shifting gears. Gears grinding while shifting from 1st to 2nd. Also cannot down shift from 2nd to 1st unless going less than 10 mph


YOU NEED TO TAKE YOUR TRANS OUT AND HAVE IT REBUILT, THE SYNCHROS ARE WORN OUT!!
THAT IS WHY YOU HAVE TROUBLE SHIFTING GEARS!!

Jul 01, 2009 | 2001 Dodge Dakota

1 Answer

Automatic transmission shifts gears without input.


Get a selector switch, mounted on the side of the transmission. They gave a lot of trouble.

Apr 18, 2009 | 2001 Isuzu Trooper

2 Answers

My 95 nissan maxima shifts hard from first to second then shifts good the rest of the gears


Look into issues with the throttle position sensor, i had the same problem with a 95 se. The sensor is directly responsible for shift intervals as it gives the ecm throttle position which doesnt go hand and hand with rpm. Sometimes the sensor needs adjustment, however this is not recommended if you dont have a scan tool to reset your ecm. check this page out

www.vqpower.com/v2/articles.php?article_id=95

Apr 01, 2009 | 1995 Nissan Maxima

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