2003-2009 4Runner Neutral Safety Switch replacement (NSS)
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- เผยแพร่เมื่อ 18 พ.ย. 2022
- I apologize in advance for the long video. This was a difficult project to replace the neutral safety switch located on the passenger side of the transmission on a Toyota 4Runner.
 The four-wheel-drive system continue to flash, and the issues were stemming from the neutral safety switch; so I decided to replace it.
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Be sure to clean off the end of the shaft with sanding cloth before beginning. This will safe lots of time later. This was a four hour job because I did not sand the end of the shaft well. After sanding and cleaning add penetrating lubricant and then use the slide hammer.
I purchased part # 84540-51010 from a local Toyota dealer but used the link below to get 30% off and pick it up the next day
parts.suburbantoyotaoffarming...
Here is the 9 piece dent puller
ABN Auto Slide Hammer 9-Piece Set, 5lb Pound - Puller Kit for Small Hail Dent Removal on Car Body a.co/d/8A1Efg5
Extension
ABN Slide Hammer Extension Handle - 17.5 Inch Slide Hammer Adapter Steel Extension Bar CV Joint Puller Tool a.co/d/dCUiDVa
I used a 5/8-18 fine thread rod and coupler from the local hardware store to extend the hammer.
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Great video and great advice. This layout was identical to my old 2005 2nd Gen Tacoma. I let it soak with PB Blaster overnight, and bought a Plumbers Puller by Superior Tool for like 15 bucks. That made things so easy once I pulled out the 02 sensor. Staying patient when I was installing the new part was EVERYTHING. Lots of gentle hammer taps with the help of a small wood block was the trick for me.
I removed mine by cutting with an oscillating cutter. Used flat side of shaft that comes through switch as a guide, split in half… re-assembled with antisieze. Easy!
Best neutral switch video (for this vehicle) on TH-cam. Thank you!!
Appreciate the positive feedback. This was a struggle to remove
Thanks for the video! This is the exact same with my 2008 Tacoma.
Getting ready to do this on a 99. Good info so I will be ready. Thank you.
Thanks, I believe it's the same on my Tacoma.
Nice video! These are a pain to remove without breaking them! I broke two and ended up have to buy a new one which isn't exactly cheap.
God dammit that does not look easy. I had read about this many time, but thought it should be alot easier than that!! Congrats on getting it done and also thanks for filming it. Camera angles appear to be very difficult with little room to spare.
I cut mine out with a Dremel tool with Carbide Bits from Amazon. It took a couple of hours but came right out. The front of the neutral safety switch is aluminum and the back is plastic. I removed the large nut and cut all the way around it with the Dremel. After about 45 minutes, it popped right out! Good luck!
Glad it worked for you. Definitely a tight spot to work in without a lift to work under
Great video! Did any of the symptoms of a bad NSS include a no crank with ignition in "start" position?
No, I replaced mine because it was difficult to move through different gear positions
Thanks so much for sharing this. I am going to change mine on '11 4runner soon (as soon as the new NSS gets here). I have one question which I may have looked over, but - at the end, after you have left the 12mm slightly loose to allow play, you go inside and run through the gears. Once you have done that, did you say you went back under and tightened down the 12mm? Or do you leave it with a slight amount of play? Maybe a silly ?, but I appreciate you. Thanks again!
-Joe
Tighten the 12mm bolt when you verify all the gears are lined up. If the position does not match the indicator on the dash then the NSS has to be adjusted
ok. thanks a million@@jakemir
Anybody experience a delay going into Drive after replacing the NSS? I had mine replaced and right after started having a delay going into D if I use R at all. Doesn't happen every time but about 25% of the time - certainly enough to be a big pain. Not sure if it could be a defective part or something else.
Normally it is a starter issue. They can be adjusted. Loosen the side bolt and adjust the position and retighten. Was this an OEM Toyota part? Here is a link
www.tcorolla.net/adjustment-1174.html
I just took my switch off but the aluminum is embedded in the steel shaft. I need to go buy one of them slap hammers its my last try at this pos
At 12:41 in the video that is what happened to me. Keep working on sanding and cleaning and tapping it back on to get in closer to clean. I left a link in the description for the dent puller I used . You can do it!
Would this be the same for a 1st gen 2005 sequoia 2wd
It should be the same if you have the 4.7 V8.
So what all was going on with yours? My 4 runner can go into all the gears without foot on the break and is causing my radio and the little dash that shows your control to stay on
Mine was difficult to shift and did not always show I was in gear or neutral so it caused issues with 4Lo. These can also be adjusted about a quarter in forward or backward if your is not showing that it is in the correct position
@@jakemir mine just goes into gear without foot on the break. And makes my radio and stuff stay on. I’m going to change this part and hope that fixes it
What does the dash display show? Does it light up in P and R and N as you move the shift lever? They should match, if it does not match this part would be the issue. You can also unplug the part without removing it and see what happens
@@jakemir it does match I think I’d have to check. It goes into gear fine. But it shouldn’t go into gear without break pushed in. How do I unplug it?
It’s located under the vehicle passenger side of transmission and it’s a standard automotive blog with a clip. It sounds like your is out of adjustment
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Hey I found an easier way to do this. All you need is a crowbar with a hook 🪝 side. Still took a little effort but this was just took much dude
I hope I do not have to do that job again. It looked easy but the corrosion was the big problem
@@jakemir yes! last month i did this repair and reset on a 2007 tacoma in a drive way. i saw the use of a slide hammer and it clicked in head to try the crow bar with pb blaster and i got the switch off in less than 10 min.
I chiseled off the threaded portion, sanded the shaft a lot, heated it with a torch, and pried like crazy. Still very hard. Tolerances are way to close. Shame on Toyota for this crap. Hard to believe this was considered to be a good idea.
@@philippinelife712 tap the collar back towards the transmission and sand it again, then oil and try again
Spray it with WD40. First, then replace if the WD 40 doesn’t work
I used litihum grease...works great butter smooth, did the shifter rod does not evaporate or run away like wd40