Question about 1990 Toyota 4Runner

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Transmission not engaging

I have a 1990 toyota 4 runner. When started there is a humming noise and the trans is not engaging into any gear. What could be the problem?

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  • Kuya Louie May 11, 2010

    check trans fluid level

  • Kevin LaRose Jul 23, 2013

    trans full

  • Anonymous Mar 23, 2014

    1988 Toyota 4 runner has no gears it's manual transmission

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2 Answers

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  • 247 Answers

Is it manual or automatic transmission?

Posted on Dec 18, 2008

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What is the problem in automatic transmission when sudden kick of gas pedal the transmission is not engaging only high rev will be heard

Posted on Apr 01, 2014

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1 Answer

I have a 1998 toyota 4 runner 2 wheel drive 4 cylinder new motor new trans, but won't in gage to move it sat for 8 years before installing new motor and trans it has all spec's in oil


A lot of times if set that long the cluch bands in the transmission get dry if you will push or pull while in gear the pump will pick up and it will start pulling

Jan 03, 2015 | Toyota Cars & Trucks

1 Answer

Transmission engages but does not drive and makes a whineing noise when in park


Toyota 4 Runner has either auto transmission or manual transmission. If it is auto trans, it could be due to the following reasons:
1.Wrong grading and classification of transmission oil. (ATF Dexron II).
2. Clogged transmission filter. (Clean or replace)
3. Worn out clutch friction discs and pressure plates. (replace)
4. Broken fly wheel and/or torque converter. (replace)
5. Check transmission control knobs and switches for if they are at their actual position where they are supposed to be.

Dec 06, 2013 | 1994 Toyota 4Runner

1 Answer

Gears in 1990 Toyota 4 runner grinding and not engaging


I'm assuming it's manual, check your clutch slave cyl level. You may be low on fluid. If you check the slave cyl and it has good travel and decent pressure your transmission will need to be removed to inspect clutch

Oct 20, 2013 | 2003 Mitsubishi Outlander

2 Answers

Overdrive dosen't shift in.


Make sure u have a good thermostat in it. The engine temp must be at certain temp then a signal is sent to the transmission so it will shift into overdrive. Bought my 4 runner,91, was shifting fine until started getting cold then stopped all of a sudden. Checked the thermostat and it was in but had been gutted which allowed the engine not to warm up sufficient to allow the trans to shift into overdrive. Changed thermostat about $8, hasn't skipped a beat since.

Feb 08, 2011 | 1990 Toyota 4Runner

2 Answers

I just purchased a used toyota 4 runner,1998, the transmission only engage reverse and not drive


I think you know you need a transmission, the only check that you can do is FLUID check f its to low the truck wont move, check for transmission codes, if oe of the codes is for line pressure solenoid that could be the entire problem, one more thing take a look at the radiator coolant if the color is like a pink shake the radiator is damage mixing coolant and transmission fluid.

Dec 26, 2010 | 1998 Toyota 4Runner

1 Answer

I have a 1994 Nissan pickup. v6 manual trans. I get a loud hum as I drive. But when I press the clutch in, the hum stops. release clutch and hum starts. Could this be the Clutch fan?


No, By pushing in the clutch to stop the hum all you are stopping from turning is the transmission and ( transfur case if 4 wheel drive ) the engine is still running ..and some parts in the rear differential . I have had 4 nissan pickups and currently drive a 1995 pickup, without actually hearing the noise I would look toward the transmission, these Manual transmissions are very prone to bearing failure. This has happened to 2 of the one's I have had including the one I have now. You can also see as time goes by if the noise is quieter in fourth gear than others because this is direct drive and not as many trans bearings are involved Good Luck

Oct 22, 2010 | 1994 Nissan Pickup

3 Answers

1989 toyota 4 runner speedometer not working. does it have cable that runs to the gauge from the transmission or is it electrical? where should I start the troubleshooting


Yes it has a Cable! Does the odometer work? If so the problem is in the Speedometer head. If not you should soon be getting a check engine light on with a code that indicates a Vehicle speed sensor problem (VSS). The you should look to a broken cable.

Dec 31, 2009 | 1989 Toyota 4Runner

1 Answer

1st, 2nd gear and reverse will not engage on my 4 speed manual transmission. what is the problem and how should i go about getting it fixed?


Sounds like the transmission is worn out. It could be rebuilt or call around to the junk yards and see if any has a good clean used trans.If you get a junk yard one change the fluid before you drive the truck.

Nov 07, 2009 | 1990 Toyota Pickup

2 Answers

Transmission dip stick


under the hood, driver side, neer the back wall.

Jun 18, 2008 | 1990 Toyota 4Runner

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