96 T100 Dies When Put in 2nd Gear

KOATacoma [OP] Member

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I have an 03 3.4 automatic. Today when my wife was turning into our drive she said it started "shaking". She said she turned it off later she parked.
I went to bank check it out and information technology starts unremarkably but as soon equally I put it in either reverse or drive information technology immediately dies. It restarts a little harder than normal, like slightly flooded, but fine.

I've tried setting parking brake and not using the service brakes, shifted t-case into low, shifting directly into manual one all with same results. With it in depression range information technology did "lurch" earlier dying.

I shifted the t-instance into neutral and then shifted trans into gear, it didn't die.

I'm adequately confident is a torque converter clutch lockup issue. The truck has 265,000 miles and don't think the fluid has e'er been changed. It is slightly brown but can withal see through it and no noticeable metal specks.

Has anyone had this issue, any suggestions for diagnostics? I don't have easy access to a scanner and information technology's not going anywhere on information technology'south own. As nearly equally I can tell and from what I've been able to find the TCC solenoid is internal or I would start with changing it out.

Thank you for reading all of this and in accelerate for any help/information.
2003Tacoma4x4 New Fellow member

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2.5 lift with Bilstein 5100s. Rims and tires

Maybe check the brake booster to see if it has a vacuum leak? You have stride on the brake to put it in gear. The Diaphragm might be bad in the brake booster Showtime the truck and heed nether the nuance past the restriction pedal. If yous hear a hissing noise the booster is leaking.
KOATacoma [OP] Member

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I checked that by setting the park restriction, putting it in neutral, start engine and put into gear without using the service brakes at all. It didn't change the results at all.
From what I've found information technology looks like some have replaced the ECM, the solenoids or the torque converter. I feel information technology's less probable to be the TC as I would await severely burnt fluid with a TC failure. I don't take much Toyota experience so was just hoping to hear from someone that has dealt with this consequence before.
Does it hesitate when you lot rev it in neutral or park?
As for the scanner. You can become them for cheap. I have a blue tooth one I got off Amazon for like $20, and it connects to your phone with a free app (Torque - the Pro version is like $5).
https://www.amazon.com/BAFX-Product...797376&due south=gateway&sprefix=obdii,aps,215&sr=8-four
KOATacoma [OP] Member

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I had no idea they had something like that. I will be getting one soon.
As for now, I'm going to check with AutoZone for the loan a tool plan on my way habitation tonight.

I don't remember any hesitation when revving in neutral/park, but I will double check that when I become home.
KOATacoma [OP] Fellow member

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No working scanner even so, if it'due south not one thing it's some other...
Confirmed, no hesitation when rev the engine in park or neutral.
ElTaquitoJr Well-Known Member

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Perhaps something with the AIC valve? If yous're good in park I think that would make sense considering rpm commonly changes when you shift into drive and reverse and the air and fuel mixture with it.
Non a mechanic, just thinking out loud. Those things can get carbon buildup so when the air fuel mixture needs to change when going into gear, information technology hesitates and dies.

Spark, timing and compression should be fine. Issues at that place would go along the truck from starting I believe. That leaves fuel and air.

Promise you figure it out.
Torque converter lockup isn't unlocking. It stalls because it'south at present acting exactly like a manual transmission would if yous didn't have a working clutch and tried to ram the transmission into gear with the engine running. Instant stall.
The engine shuddering your wife mentioned to you is a VG indication.

Now you need to find out if it'south an electrical issue or a mechanical consequence causing the problem.
KOATacoma [OP] Member

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For a lack of unproblematic diagnostics with what I have currently available I opted to order the solenoids and try replacing them. I should have them by Friday. Fingers crossed it fixes it and hopefully don't discover a bunch of junk in the pan. Plan to drib the pan tomorrow so I'thousand prepare once they go far and may go lucky and they arrive tomorrow.
osterhagen Well-Known Member

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Hopefully that works out! Would propose cleaning the magnets earlier reinstall. Also recommend Valvoline Max Life Synthetic ATF for replacement (replacement for type-iv). I would also recommend changing out the filter while you are in there. Pays to but take to go in once. The factory sealant on the pan is pretty stout also and can have some work to get off. I used Timmah'due south video recommendation and cleaned mine up with a Dremel to get the onetime stuff off the pan. Used steel wool and brake cleaner for the trans side mounting surface.
Looking forward to seeing if that resolves your issue. Good luck!

Here is a link to the video - https://www.youtube.com/watch?five=tuGazNhuEtM&t=1526s

Part number for the filter if yous wanted to snag 1 - 35330-60030 (called a strainer)
KOATacoma [OP] Fellow member

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I used the AUTEX kit from Amazon. It included all three solenoid, filter and gasket. I also got the scan tool Jbrandt suggested.
It was a fairly easy repair and I've got about 20 miles on it so far with no problems still.

I did replace all 3 solenoids and one time finished I used just over 7qts of the Valvoline max life atf.

Give thanks you to all who responded.

ps, it tin can't be difficult but I couldn't figure out how to put a simple link to the Amazon kit in here
osterhagen Well-Known Member

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Wow that is awesome! Glad you got information technology sorted. Hopefully many more trouble free miles ahead
simply copy and paste the link into the text box as if yous're typing normally.
Glad it's worked for you then far! I dearest this forum!