transmission

  1. T

    Torque Converter & Dash Issues, + P0740 and P0785 Codes

    Hi so ive got a 1996 C1500 with a L31 and 4L60E and suddenly while driving i lost power I could feel it was something wrong with the torque converter because in park i revved great no bogging. In drive it normally only drops down to around 1000 RPMs like it should but it now it would try to sit...
    • TStowell
    • Thread
    • 0411 codes dashlights torque converter transmission
    • Replies: 1
    • Forum: Transmissions
  2. aking284

    Only 1st and Reverse!

    Hey guys! So my 4l60e tranny in my 97 c1500 suddenly started acted funny. It will engage first gear and reverse, but other gears will not. I do have a tranny leak which I tried fixing by replacing the rear main seal and the output shaft seal however it still leaks. Dip stick showed to be dry...
  3. L

    transmission grinding hard

    I have a 1995 K1500 with the 5.7 engine and 5 speed manual transmission. I bought with around 170,000 miles, drove it about 10,000 miles, and now all gears are grinding when i try to put it in. It takes about 4 tries to even get it into 4th gear at this point, and it grinds LOUD every time. It...
  4. T

    Will a 4l60 work in a 89 c1500 or do you need to have a computer for it?

    I have a 89 c1500 with a 350 and a 700r4 and I believe my transmission is starting to go bad and I’ve look online and it’s been cheaper to buy a 4l60 (not a 4l60-e) instead of rebuilding or buying a reman and I want to know if you can put a 4l60 in my truck and it plug in right to the existing...
  5. aking284

    No 2nd Gear?!

    Hey gentleman! So I purchased a used 4l60e tranny for my 97 gmc c1500 along with a brand new torque converter. Installed everything only to find that there is no 2nd gear! UGGHH!! All other gears work beautifully! Any ideas fellas? Thank y’all!
  6. dasburb

    1997 K1500 suburban transmission options

    Hi everyone--I read the sticky about transmission compatibility, and I'd like to ask for input about what to do, what it'll cost me, and what the problems might be. Apologies in advance for a long post and thank you if you're reading it. Background: I love my suburban, I take it everywhere (40+...
    • dasburb
    • Thread
    • 1997 1997 k1500 1997 suburban 4l60 4l60e 4l80e 4x4 suburban transmission transmission swap
    • Replies: 25
    • Forum: Transmissions
  7. 98sub1500

    5.7 v8 rough idle, hesitation and shudders in reverse and drive only

    First off, I drive a 1998 GMC Suburban K1500 SLE with the 5.7 V8. Not too long ago I had the rear drums checked, front brakes replaced and a brake fluid flush. Since then, never before, for some reason I have the occasional shudder/hesitation while on the accelerator and a rough idle ONLY in...
  8. C

    4l60e problems after rebuild

    I just finished rebuilding my 4l60e trans and am having issues. The truck is a 1996 K1500 and I am the original owner. A little history of the trans; this is the 3rd rebuild. First rebuild was due to 3/4 clutch burn up was rebuilt by a local shop with a good reputation rebuild during pandemic...
  9. TheRedMamba

    Need an Assist... Please and Thank You

    1993 GMC Sierra SLE Extended Cab K1500 4x4, 5.7L V8, Automatic Transmission. Does anyone have any idea on this... I just changed the multi function and turn signal switch both, put it all back together, and now this.... (Watch Video Please).... Any knowledge you can offer would be very much...
    • TheRedMamba
    • Thread
    • 1993 4x4 extended cab gmc gmc sierra sle gmc transmission trouble no shift k1500 sierra sle transmission
    • Replies: 11
    • Forum: Transmissions
  10. P

    96 gmc k1500 limp mode wont scan

    I need help! I have a 96 gmc k1500 truck which I love. On my way home, truck was driving fine. I went to pull in my driveway and it was like it quit pulling. It goes fine in reverse. I shifted to 4hi, still wouldn't pull. Shifted to 4lo and it went forward and I got into my driveway. Check...
    • pwesley
    • Thread
    • 4l60e 96 gmc limp mode transmission wont scan
    • Replies: 4
    • Forum: Transmissions
  11. A

    Does the nv3500 manual transmission have cooler lines?

    Hi I have a 1995 chevy k1500 short-bed stepside with the 305. It has a 5 speed which I believe is the nv3500. The previous owner had replaced the radiator with an aftermarket aluminum one and there are ports on the passenger side that I’ve seen automatic transmissions hooked up to, but mine...
    • andyk
    • Thread
    • aftermarket radiator chevy 305 manual transmission nv3500 question transmission transmission cooler lines
    • Replies: 7
    • Forum: Transmissions
  12. S

    Can't find the right 4L60E Inspection Cover!

    Good morning fellas. Long time lurker, first time poster. I've exhaustively searched the forums and the interwebs because I DO NOT want to be "that guy". However, I am having no luck finding the correct inspection cover for my newly installed transmission. Backstory: The transmission in my...
    • SheepDog
    • Thread
    • 4l60e dust cover inspection cover transmission
    • Replies: 21
    • Forum: Transmissions
  13. SterlingT

    Transmission issues after replacing radiator

    Ladies and gentlemen.. I need help.. I bought my son a 1994 GMC 1500 ext cab.. minor issues, at first.. but let me start where the problem is now.. it started having slight over-heating issues. After "trying" to drain the rad and perform a flush, the drain port was completely clogged. Further...
    • SterlingT
    • Thread
    • 1500 changing gears radiator swap transmission
    • Replies: 33
    • Forum: Transmissions
  14. V

    700r4 VSS sensor problem need help ASAP

    Hello everyone, I need help deciding whether I'm in deep trouble or okay to continue. I own a 1992 GMC Sierra with a single cab and a short bed. Recently, I had my 700R4 rebuilt and it's been working great. However, my speedometer stopped working, so I replaced the VSS magnetic sensor. It worked...
    • Vddiaz94
    • Thread
    • 700r4 c1500 gmt 400 gmt-400 gmt400 i need help transmission vss why god
    • Replies: 4
    • Forum: Transmissions
  15. C

    First U Joint Fix Questions

    Fixing a 98 Silverado front driveshaft. U-Joints came in today, knocked a good amount of oil dirt & rust off, I’ll hit it with some rust jelly , evapo rust as needed tomorrow & try & get it painted . Had a question regarding a part which I now believe to be a Dust cover, My questions are. Would...
  16. Ruff Idol

    No Power to Speedometer?

    1992 C1500 with the 700R4 here. So I've had an intermittently working speedometer, most days it's just totally dead no matter what speed you're going, and if I'm lucky enough to hit a serious pothole it comes back briefly. Started by replacing the VSS and its pigtail (the old wiring was soaked...
  17. VictoryRed

    Transmission acting weird today

    so i did a light pull maybe 4k rpm at the absolute most and it was like it made a sputtery sound and was like delaying going into the next gear then it felt weird i was like 3/4 throttle and my speedometer kinda lagged and it just felt really off and it didnt wanna go more than like 45mph then...
  18. MrThick

    Trans Code "MX0"

    im listing all of my SPI codes into a journel and i came across "MXO" which is described as "TRANSMISSION, AUTOMATIC (MERCHANDISING OPTION)". Does anyone know what this means?
  19. H

    96 vs 98 4l60e

    I have a 98 k1500 with a bad transmission. My question is will a 96 4l60e be plug and play with the exception of the transmission lines? If not, what else would be different?
  20. J

    4L80E jumping in and out of OD

    I have a 1996 Chevy K3500 5.7l with the 4L80E trans Recently my truck has been having problems shifting at the correct times and sometimes it shifts a little hard. Now when I get to around 50mph it jumps in and out of OD or lockup constantly. The truck has low power, which I am assuming is from...
    • Jbarry14
    • Thread
    • 4l80e 5.7l vortec chevy 3500 k3500 tps transmission
    • Replies: 11
    • Forum: Transmissions
  21. J

    Should I transfer OEM Trans Pan Magnet to new pan?

    Good-morning, Discarding my old 4L60E pan, and picked up one from LMC truck that has a drain plug, and the drain plug is magnetic. Should I transfer my old magnet out of OEM pan, to the new LMC pan, or is the magnetic drain plug enough for the need? thanks in advance.
  22. J

    4l80 manual valvebody No OD and third gear in fourth position

    Couldn’t find anything anywhere else, the issue I’m have is no OD and third gear engages in the OD position (all the way back on B&M pro ratchet shifter)in my reverse pattern manual valvebody 4l80. I’ve had the valvebody off and the fourth clutch engages with air, no gasket between valvebody and...
  23. Ruff Idol

    4L60/700R4 Slams Into Gear, Delayed 1-2 Shift

    1992 C1500 with the 4L60 (not 4L60E) here. So the deal is I am already easily nauseated (especially after a cigar) and let me tell you when I throw the truck in drive or reverse it slams into gear so hard my stomach may go out the window. Also this week I just lost my 1-2 shift, or at least it's...
    • Ruff Idol
    • Thread
    • 4l70 700r4 dipstick fluid hard shift transmission
    • Replies: 29
    • Forum: Transmissions
  24. M

    Need Opinions - Transmission Issue

    Hi All. Experiencing some trans issues. I drive a 97 Z71 with what I believe to be the original transmission. During my normal daily driving 10 minutes to work under 55mph I have no issues really. Say I have to run errands around town with a lot of stop and go, highway on and off ramps...
  25. 1500z71

    Lost 4th Gear; Code 28 and 58; 4L60E

    1993 K1500 5.7 Hey guys, looking for a little direction here, as I haven’t been able to find anything with my combination of issues. Last summer ‘21 my transmission overheated pulling a buddies big pontoon. Pulled over and let it cool, topped it off, ran fine again for a long time until now...
    • 1500z71
    • Thread
    • 1993 4th gear code code 28 code 58 k1500 transmission
    • Replies: 36
    • Forum: Transmissions

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