gmc

  1. 813Shawtbed

    4.3 to 5.7 swap

    I’m about halfway through my 4.3 to 5.7 SBC swap in my ’94 RCSB GMC. I got the inner fenders on the way, and while the engine’s out I’m planning to replace the steering box, pitman arm, and sway bar. Trying to take advantage of all the extra room before everything goes back together. Any other...
  2. R

    Instrument panel dash wiring harness and dash fuse box

    Hi, I have a 1997 Sierra C1500 with the 5.7 Vortec engine. A few days ago, it started having several electrical problems. Today, while checking it, I came across something that shocked me; all the wires in the instrument cluster harness are completely exposed. It's as if the insulation has...
    • Rimeldo Quinto
    • Thread
    • c1500 dash electrial issues gmc gmc c1500 harness vortec 350
    • Replies: 2
    • Forum: Electronics
  3. Redneck250033

    Redoing the upper and lower control arms on a C2500 GMC Sierra

    Within the next few days, I’ll be redoing the upper and lower control arms on my 1992 GMC Sierra as I had said in the title is there any suggestions for if a bolt has to be torched out or breaks… where I could get new bolts for the control arms. Any information would be greatly appreciated...
  4. Redneck250033

    I guess I’ll do the introduction since I never did….

    Hi, my name is Sarah. I own a 91 Chevy Silverado and a 92 GMC Sierra I am very thankful that I found this forum! it’s nice to know that in the event of a problem / fix that there is always someone out there that has either had an issue like yours or close to it to be able to help you fix it.
  5. A

    89 GMC C1500 low power

    I have an 89 GMC C1500 that was given to me recently. It has the 350 in it, and sometimes the CEL comes on and I can't push it past 45 MPH, and it wants to die under acceleration when it's in that state. New injectors, fuel filter, fuel pump, PCV valve, plugs, plug wires, EGR valve, and...
  6. harftp

    4l60E gave out?

    Hello all, i have a 1995 gmc sierra k1500, 5.7L - 4l60E; 3.42, 10 bolt diff. i was driving on a really hot summer day, as i progressed on my drive, i started to notice my 1st gear start to shift real hard, then in 2nd gear around 40-50mph i started to feel sluggish acceleration, like if it...
    • harftp
    • Thread
    • 4l60e gmc k1500 overheated transmission
    • Replies: 13
    • Forum: Transmissions
  7. 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!
  8. Screenslaves

    Ext Cab Subwoofer Box Foward Facing

    Hi all, I was just wondering if anyone has had any experience with Rhino Bass Box with shipping? or the quality in this Subwoofer Enclosure in particular. I’ve never seen it even installed before. I just purchased it, and I am hoping that it will ship out soon. See attached photos. Truck for...
    • Screenslaves
    • Thread
    • audio extended cab gmc sub box
    • Replies: 4
    • Forum: Audio
  9. Da_Droid_Mechanic

    99 GMC Burban' K2500 Shifing into 2nd gear slow

    It seems to be shifting slow and almost hard, quite jarring... Def not smooth haha Its got the 4l80e (rebuilt 4 years ago) and a new 454 (installed 2 years ago) btw Any suggestions would be super appreciated!!
  10. hilly101111111

    Cooling/Radiator/Over Pressure

    My truck is a 1990 GMC k2500 with a TBI 350 I have a few questions for you guys. Long story short I replaced my radiator for the 3rd time because it's a cheap Chinese one and I can get them for free under warranty. The Pressure blew out the cheap plastic drain plug. Anyway I also replaced my...
  11. Lawrence Taylor

    97 gmc k3500 cclb build so far....

    Hey guys. This is my 97 k3500. I bought a year ago, when it was 100% stock. The first thing i did was take the 245/75's off the stock 16 inch rims and put a set of 285/75 on to it. Shortly after that i took my 3inch body lift off my 89 k2500 and installed it on to this truck. The 285s looked...
  12. denali

    My 2000 GMC Yukon Denali

    Introducing my '00 GMC Yukon Denali. Owned by our family her whole life and maintained by my parents with pride. Lots of childhood memories in those third row seats. Bought from my dad and shipped across the country to use as my daily driver. She sat in the garage for a long while, so I've...
    • denali
    • Thread
    • 2000 4l60e 4x4 5.7 vortec denali gmc yukon
    • Replies: 18
    • Forum: Member Trucks
  13. burbanswervin

    96 k1500 suburban torsion bar keys

    Hey guys in reinstalling my torsion bars but im not sure which postition to have the key at so i dont tighen then too much. Right now i have them facing straight down as pictured. T
  14. D

    Anyone have experience with these heads?

    Anyone have any experience with these heads? Looking for a cheaper head to put on my 90 TBI to pair with a summit 1103 cam and mid length headers. They somewhat decent??? I don’t want to install them and find out my motor blows two weeks later but I’m not expecting AFR quality ether. Going to...
  15. K

    Test to validate whether or not a BCM is good or not

    Headlights intermittedly turn themselves on and off. Is there a test to verify whether or not the BCM in a 99 GMC Suburban is faulty or not? If so, how might I go about doing this test. Greetings from Arkansas.
    • Kilderok
    • Thread
    • 1999 bcm faulty gmc headlight problem suburban
    • Replies: 5
    • Forum: Electronics
  16. U

    Grill recommendations?

    Two questions… #1 - I think I already know the answer but does anyone know if anyone sells a Chevy style grill with a GM logo. I doubt it but worth an ask. #2 - any good quality oem style chrome GMC logos you guys recommend. Mines flaking pretty bad and looking to freshen my front end up a...
  17. 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...
  18. 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
  19. J

    1996 4L80E P0713 Transmission fluid temp sensor problems

    I have a 1996 Chevy K3500 with the 5.7L and 4L80E I have a P0713 Code. Last weekend I dropped the pan and installed a new internal wiring harness and TFT sensor. I put it all back together and that did not solve my problem. The transmission does not shift at the correct times, but when I clear...
  20. Trev3500

    94 to 96 cab swap

    Looking for some information on how cabs bolt up, etc. I have a 1994 k3500 RCLB and am looking to buy a donor truck. The donor truck I have lined up is a 1996 K1500 RCLB. I want to keep my 94 dash, and interior, but will the dash from my 94 bolt into the 96 cab. The 96 cab will be totally...
  21. W

    94 gmc grille conversion to chevy grill

    Hi all I bought a '94 silverado but someone changed the grill to a gmc version. I'd like to reconvert this to a chevy version and I found one here in Belgium. My question: can I just swap them out like that or will I need other parts to make it fit? Reason I'm asking : here in belgium it's...
  22. M

    My GMC stopped running

    Hello all, I bought a used GMC Yukon 1994 350 TBI, and the previous owner installed electric fans with a 140 amps alternator, I am not sure about the alternator. In the first week, I noticed that when I turned on the AC the battery gauge on the dashboard get down and the truck shuts off when I...
  23. hilly101111111

    NOS Stainless Steel Mirrors

    Hello! I am currently looking for NOS stainless steel mirror assemblies/mirrors for my 1990 GMC k2500. Does anyone here have any for sale and or know of a website that sells them? I did not realize that the auto part store mirrors are terrible. I am also looking for a quality rear view mirror as...
  24. O

    K2500 long box frame chop

    Looking at a k2500 rcsb right now. Buddy said they only had to chop some off the rear of the frame. I thought when chopping frame some had to be taken out under the cab and at the end of the frame. If anyone had any info on this that’d be great!
  25. Raspi454

    My new 98 sierra

    This is my new to me Sierra 1998 GMC Sierra SLE Z71 ECSB 305 4L60e 227k~ In mid April this year, my dad and I drove from Michigan to Arkansas and back nonstop to get this truck. The only thing in the listing description was "NO DAMAGE", I ask the guys some questions about the...

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