k2500

  1. liquidh8

    4l80e Deep Pan in K2500 Suburban

    Apologies if this has been discussed, but I was contemplating putting a deeper transmission pan in my K2500 Suburban with the 4l80e since the body is off and I already have a trans pan leak. What my question is: Is there a pan that has been verified to fit? The reason, I see varying...
    • liquidh8
    • Thread
    • 4l80e deep deep trans pan k2500 pan suburban trans
    • Replies: 5
    • Forum: Transmissions
  2. J

    454 dip stick tube

    I have a 94 454 k2500 previous owners swapped a crate motor in it and i cannot find a replacement dipstick tube or tell tell which gen or year the motor is from the dipstick has a 3/8ths outer diameter and a length of 27.5 inches while every where i look says a 94 has between a 21-24.5 inch...
  3. J

    94 k2500 454/4l80 shifting issues

    Having an issue with my truck where 90% of the time it shifts flawlessly and during the other 10% of the time it has a VERY hard 1-2 shift that sometimes makes the tires squeal and all the gears after it shifts slightly hard. Fluid level is perfect as is the color of the fluid i tested the tps...
  4. L

    4L80E Slipping out of OD When Warm

    Hello, I posted about this truck just under two years ago and how the just-rebuilt 1997 4L80E 4x4 was losing 4th when hot and torque converter was not locking up after it slipped out of 4th, hard shifts, etc. (I'm linking it here...
    • lrdavenport
    • Thread
    • 4l80e 4l80e 4x4 4l80e swap hard shift k2500 k2500 5.7v8 no overdrive tcc tcc lockup transmission problem
    • Replies: 2
    • Forum: Transmissions
  5. Morgan90

    90 5.7 TBI fuel economy issue

    I’ve got 1990 k2500 with the TBI 350 and the NV4500 5 speed, it has been getting very bad fuel economy recently. Fully stock apart from wheels and tires. My odometer does not work but I’m only getting what I think to be around 400km (250 miles) to a tank and it has the larger 130 litre tank (34...
  6. uglybuck

    What would you pay?

    Hello! I have a 1996 K2500 7.4L with 81k miles I'mconsidering listing for sale. Rebuilt transfer case and transmission 5k miles ago. New starter. Newer compressor (line leaks, compressor is good). Carpet removed. New headliner. No CEL. Its not a show queen but I need a diesel for work and...
  7. G

    94 2500 350 TBI update

    So I posted on here about a week or so ago because I was having stalling issues with my 350 TBI Suburban, may be worth mentioning that it has been cam swapped by a previous owner. Has a new distributor, new injectors, new fuel pump, new battery, and new spark plugs and was still having issues...
  8. porfymartinez

    New member – 2000 K2500 7.4L 4x4

    Hello everyone, I was pointed over here from a Silverado/Sierra forum and decided to join. I recently inherited a 2000 Chevy K2500 extended cab 4x4, and from what I’ve learned so far it’s a GMT400 with the 7.4L (L29) and 4L80E. It currently has 201,284 miles. I’m starting the process of going...
  9. C

    1992 K2500 8600GVWR Suburban 4WAL ABS Delete

    Good day, all. I have as titled, a 1992 K2500 8600GVWR Suburban w/4WAL, and the ABS module has been confirmed dead by a reputable shop. Brake light and ABS lights are on, and no longer have the familiar "buzz/wah" sound after starting a drive. As the ABS modules only seem to be available in a...
  10. G

    Swapping a 454 into a a truck that had a 350

    I was wondering what would be needed to swap a 454 from a 1995 k2500 into my 2000 c3500. My 3500 has a 350 with a 4l80. The 1995 is a 4wd and has a 5 speed. Would the 4l80 bolt straight up to the big block? Would I need to change the wiring harness for the 454?
  11. J

    Timing issues

    I have a 1994 chevy k2500 and it started giving me a lot of idle and starting issues, so I started with rebuilding the TBI (never been done, truck has over 300,000 but motor swap was done less than 20,000 ago) and that didn't solve any issues, so I changed the plugs, wires and distributor hoping...
  12. J

    97 Suburban K2500 7.4l Stutter

    Hi all! I’ve been chasing this stutter I’m having and have replaced just about everything on this thing haha. I purchased the truck and it had the dreaded intake manifold coolant leak so I replaced a ton of parts while I was there. Once the engine is warm wether in park or at a complete stop in...
  13. J

    97 Suburban K2500 7.4 MPFI Stutter

    Hi all! I’ve been chasing this stutter I’m having and have replaced just about everything on this thing haha. I purchased the truck and it had the dreaded intake manifold coolant leak so I replaced a ton of parts while I was there. Once the engine is warm wether in park or at a complete stop in...
  14. Da_Droid_Mechanic

    Color of the LMC truck grille for 1994-98 gmc trucks?

    My 99 burban is in need of a new grill (a lot of the mounting points are broken so fitment is wonky) I see LMC truck had one that appears to be black with the chrome center (39-4083), I’ve heard from some places that it’s dark metallic gray and other say it’s black. My suburban is black btw!
  15. O

    92 nv4500 swap into ls swapped 91k1500??

    Alright ladies and gents, I have a 1991 gmc k1500 ext cab short bed I’ve had since highschool originally a 350 700r4 truck that is currently a mild built 5.3 lm7 carbureted hooked up to the 700r4 Well the ten bolt is as on its way out and I had always wanted to 5 speed swap the truck so I...
  16. J

    Sway bar??? Pro comp 6 inch lift

    I just got a 1999 k2500 with a 6 inch pro comp lift up front and a 4 in the back. I noticed the sway bar wasn’t connected at all when I bought it, and it was UPSIDE DOWN! I put it right side up and got the BDS 6 inch end link kit and they aren’t even close to fitting. Can anyone help? What end...
  17. J

    What transmission? 1990 k2500

    I’m looking at a truck for sale and the seller doesn’t know the specifics. What 4 speed auto comes on 1990 k2500 8 lug? And is it reliable? This is a different question in itself, can you put a 4l80 on a 1990 with minimal to no issues?
  18. Crussell45

    Unused plugs in wiring harness

    What is everyone using to “cap off” unused electrical plugs? Is there someone that makes caps for the different style plugs? I’m just not a fan of the electrical tape idea. P.S. Just did the intake gaskets and while I was in there I … Replaced: Injectors FPR Cap & rotor Removed: ALL of the...
    • Crussell45
    • Thread
    • 454 7.4l 7.4 vortec electrical k2500 k2500 7.4l
    • Replies: 8
    • Forum: Electronics
  19. J

    Loss of voltage while driving.

    I’m looking at buying a 98 k2500, owner states the power draws while running only, not when parked. I’m worried that he wouldn’t be selling it if it was as easy of a fix like an alternator or a bad connection. Thoughts?
  20. 89k25004x4

    TH400 Shifting Funny after O2 sensor replacement

    Hey everyone, I've got an '89 K2500 with a 350 TBI and TH400 trans. I replaced my O2 sensor the other day, in which this hose/line popped off. (the metal line with the orange tube on it) I figured it wasn't a big deal, a couple drops of ATF came out, i checked fluid level, (yes I'm very aware...
  21. M

    90 k2500 rear suspension for cab over camper

    I have a 1990 K2500 Scottsdale 6 lug with a 5.7 and 5 speed. Truck has 150,000 miles on it. Im going to be adding a Four Wheel Camper into the bed of the truck and a motorcycle carrier mounted off the hitch receiver. Camper weight 1,200lbs, and motorcycle w/carrier 650. (Receiver can hold up to...
    • Markfkirkland
    • Thread
    • cabover camper k2500 rear supspension
    • Replies: 44
    • Forum: Towing
  22. 89k25004x4

    Missfire/Backfire at 45-55 mph

    Hey everyone, I've got an '89 K2500 with a 350 TBI and TH400 trans. More often than not, whenever I take my truck up to about 45, it starts sputtering and back/missfiring. It has never completely died out, it just backfires like there's no tomorrow. It won't go above 50. Throwing the truck in...
  23. K

    4 wheel drive problem

    Hi, I don’t know if this is the right place but I was wondering if I could get some help. I have a 2000 Chevy k2500, it is an old body style. I am having problems with the selectable 4wd. I have replaced the encoder motor, actuator on the front axle, and the switch. When I turn the key on the...
  24. C

    Trans Swap

    TLDR I have a 95 K2500 350 Suburban and a 94 k2500 454 suburban, both are 4l80e's. The 94 tranny (no 4th gear) is bad along with the torque convertor I believe, and the frame of the 95 is bad. Can I straight swap the tranny from the 95 to 94? if so can I swap the T-case, and Torque convertor as...
  25. C

    1994 Chevrolet K2500 Silverado 7.4L upgrades

    Repairs- Inner/outter tie rods and sleeves grease fittings -Ac recharge Upgrades : Electric fan kit: $3-400 -Intake I have no ideas what to do about this 2 barrel throttle body I need this motor to produce torque for towing a hitch mounted camper) - K&N for whatever intake setup I go...

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