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  1. NickTransmissions

    4L60E Information Thread (Includes 4L65/70/75)

    Thanks for watching my videos, appreciate the support...Here's what you need to do for the HD 2-3 shift valve: LMK if you have any questions...It's a pretty straight-forward deal...I'd also pick up some o-ringed end plugs, Sonnax abuse valve / bore plug kits (you'll need two) and the vette...
  2. NickTransmissions

    Help with rebuilt 1986 TH350C

    I have no idea if you left out a seal or what you may have done or not done but I'd drop the pan, valve body, spacer plate and gaskets then do a case air check to see if the direct clutch is applying. If you burnt it up, you'll know it when you drop the pan and see the fluid and bottom. If the...
  3. NickTransmissions

    4L60E Information Thread (Includes 4L65/70/75)

    Thanks - I actually now remember reading that and was going to respond but got side-tracked...For others reading, here's the quote from the Tahoeyukon.com forum member in question: I'll address his points one at a time, starting with the first sentence; all of my commentary is directly...
  4. NickTransmissions

    4L60E Information Thread (Includes 4L65/70/75)

    Perfectly safe, esp when towing. If you're moving faster than 60, put it into overdrive. Can you share the link to the forum where someone is stating it's not safe to do so?
  5. NickTransmissions

    Help with rebuilt 1986 TH350C

    I think your direct clutch pack is going out - transmission likely needs to come out for overhaul. Sounds like you did everything correctly with the valve body...The roll pin coming loose, part way out may have impacted your manual low function but wouldn't have had a bearing on your ability to...
  6. NickTransmissions

    1987 V10 700r4 locks up immediately after 1-2 shift

    Sorry, didn't see your initial posts. 82-86 did have a 2nd-4th TCC apply strategy however in 1987, they went from locking the TC in 2nd gear (some models) to only have it lock up in third and 4th. So it shouldn't be locking immediately upon shifting from 1-2. From what I can recall, everything...
  7. NickTransmissions

    Help with rebuilt 1986 TH350C

    Typo, my apologies. Meant to type "KD" as in kick down valve.
  8. NickTransmissions

    Help with rebuilt 1986 TH350C

    Sorry, been busy. Were your pressure test numbers with your kickdown cable conncted or disconnected? If you drop the valve body, check the ke valve, make sure it's installed correctly, in addition to checking the 2-3 shift valve.
  9. NickTransmissions

    NP203 stuck in Neutral, lever will not budge HELP

    Thanks but unfortunately, I am not familiar with NP203s or any transfer case for that matter as I almost never received inquiries about rebuild transfer cases. So stopped offering T-case overhaul as a service years ago.
  10. NickTransmissions

    need 700r4 TV cable for 6.2?

    If you havent already done so, call Bowtie Overdrives and ask them for a cable and bracket for your set up. You must have the correct bracket for your engine and induction application or you risk having insufficient line pressure rise in the trans due to poor cable geometry.
  11. NickTransmissions

    Help with rebuilt 1986 TH350C

    Gotcha...Conduct a line pressure test before doing anything else...You can grab the Maddox oil/trans pressure gauge combo set at Harbor Freight. The gauge kit will come with everything you need to do the pressure test. You will thread in the pressure gauge into the line pressure port on the...
  12. NickTransmissions

    Help with rebuilt 1986 TH350C

    Thanks for watching my videos, appreciate the views and support. > Did you air check the case upon assembly? If so, did all clutch packs apply as expected? If yes, this likely rules out anything in the case. If not, it's tougher to rule out... > Did you completely disassemble the valve body...
  13. NickTransmissions

    what is this: epoxy? in TH350 valve body

    Looks a little like weld but hard to tell from a pic. See if you can scrape it out, if you havent tried already. It shouldnt be there, that's for sure.
  14. NickTransmissions

    4L80E Information Thread

    Check this video out before you go to the yard for 4L80Es: How to Buy a Used Transmission: 4L80E
  15. NickTransmissions

    Need a transmission recommendation builder in Phoenix 700R4 will not shift

    Hey Joe, thank you for considering me for your build! I'll send you a PM w/my contact info...Perhaps we can set up a call for next week sometime....
  16. NickTransmissions

    Advice on Transmission Fluid Change for 1980 C10

    vb = valve body. There's a small gasket that goes between the filter and the valve body.
  17. NickTransmissions

    Need a transmission recommendation builder in Phoenix 700R4 will not shift

    Ha! My bad. Im in Vegas and would be happy to help, if that's something you'd consider.
  18. NickTransmissions

    Need a transmission recommendation builder in Phoenix 700R4 will not shift

    Hey Goldpack. I can rebuild your 700R4, if you'd like. Ill send you a PM with my contact info in the morning so we can set up a time to chat through the details, pricing, logistics, etc.
  19. NickTransmissions

    Newly rebuilt 4l80e (700 miles) now won’t shift into 3rd gear

    So the prev harness' temp sensor was bad. Did that harness that you just replaced look new or did it look like the original (or an original) harness?
  20. NickTransmissions

    What 700R4 Governor or Setup:

    Grab the superior tech governor recalibration kit and start off with the heaviest secondary weights that come in that kit (in reality, the weights are much lighter than the stock 700 gov sec weights). Start with those and the corresponding springs that come in the kit. They should move your WOT...
  21. NickTransmissions

    Newly rebuilt 4l80e (700 miles) now won’t shift into 3rd gear

    Continuity test the harness via the multi-pin connector and see if you get any anomalous readings. Could be the transmission wiring harness or could be something else. The harness should have been replaced during the rebuild - if it was not, that's a miss on the part of the builder. If it was...
  22. NickTransmissions

    Newly rebuilt 4l80e (700 miles) now won’t shift into 3rd gear

    Sounds like a short somewhere or a malfunctioning controller. Whenever factory PCMs detect anomalies with transmission-related sensors, switches or other electrical components, the PCM freezes all adapts, maxes out the line pressure and sometimes will put the trans into limp mode. For the 4L80E...
  23. NickTransmissions

    Newly rebuilt 4l80e (700 miles) now won’t shift into 3rd gear

    Are the speed sensors new? If not, id replace the rear speed sensor with the front one and visa versa to see if anything changes. Also check wiring to each sensor for damage, etc.
  24. NickTransmissions

    Newly rebuilt 4l80e (700 miles) now won’t shift into 3rd gear

    Test them with a DVOM first to see if any are bad. Look to see if they are new. If not, you can replace the solenoids and seek reimbursement from the trans builder or have him replace the solenoids.
  25. NickTransmissions

    700r4 shake?

    Are you sure one of your wheels isnt simply out of balance? The output shaft will always have movement/play as that allows for driveshaft articulation. The ext housing bushing simply stablizes the slip yoke while the rear case bushing stablizes the transmission's rear reaction shaft. Both...

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