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4l60

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
- Dec 21, 2023
- 1997 1997 k1500 1997 suburban 4l60 4l60e 4l80e 4x4 suburban transmission transmission swap
- Replies: 25
- Forum: Transmissions
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...
- 98sub1500
- Thread
- Dec 10, 2023
- 4l60 5.7 98 suburban brakes engine gmc rough idle transmission
- Replies: 5
- Forum: Engine Performance + Maintenance
T
4L60E to 4L80

So i have a 1994 C1500 with a 4L60E, 12 pin connector (non pwm) and i have this 1993 4L80E that i want to add in it’s place (pwm). What needs to be done to make it work? I’ve been researching and one idea that came up was stake open the PWM valve and leave the solenoid unplugged to act like...
- Thejacoblaw
- Thread
- Oct 13, 2023
- 4l60 4l60e 4l80 4l80e swap
- Replies: 1
- Forum: Transmissions
Funny 4L60E sound question

So when I first started driving my 95 K1500 when I was 15, one of the most fun things to do on-road was go to a particular stop sign in town that went straight onto the highway, so I could accelerate from stopped to highway speeds (and above ) without impeding traffic by stopping in the middle...
- tksoldierx
- Thread
- Oct 4, 2023
- 4l60 4l60e noise question
- Replies: 8
- Forum: Transmissions
R
[Solved] 700r4 - Hard 1-2 shift, 2-3 light but not soft

Hey guys, I have a 1991 GMC Sierra k2500. My transmission shifts pretty hard into second gear, and you can definitely feel it shift into 3rd but it's not anywhere near the 2nd gear shift. Everything after 3rd is fine. I have checked my TV cable. It's as tight as it can go, and when moving it...
- ryanguy426
- Thread
- May 4, 2020
- 1-2 shift 1991 350 4l60 700r4 gmc hard shift sierra
- Replies: 4
- Forum: Transmissions