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About 53boy

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    03’ Silverado 2500HD 6.0 LT
  1. I have a 2003 Silverado 2500hd 4x4 6.0, definitely needs a new upper steering shaft and bearing. Question though , rockauto has all these different options for different vehicle codes. How do I know which one I need exactly? I have picture of the rpo codes in the glovebox
  2. Replaced the starter in my 03 , no delay . Starts immediately. Before there was a delay. But also I’ve realized this same issue with these past Chevy , gmc trucks I’ve owned within the last couple years . Heard a silverado 03-06 at gas station start and had that same hesitation I noticed
  3. Let us know what the diagnosis was , I’d like to know too
  4. New Shocks

    Bilstein 5100’s , buy them online , look around. Generally around $125-$145 an axle. Which is a great price for a very good brand new shock.
  5. So ...I found something out about chevys the other day. My current truck needed a starter, replaced it “fought me every bit of the way” , starts within a second now. I’ve had 4 different Silverado , sierras . And none of them started like this . Realized when I heard a couple other chevys start it seems they all have some what of a small delay or hesitation, they will still start. But since my truck Has a brand new starter . It’s night and day hearing mine, compared to another Chevy, factory starters are known to show signs like this before going. Just wondering if anyone else is aware of this. My other 4 trucks all had that slight delay , hesitation but always started! Never on a dime like this new starter in my truck
  6. 03 Silverado 2500 6.0, fully loaded. The radio buttons work on the steering wheel. But none of the buttons to be to trip or fuel range work on the steering wheel. Any suggestions? Thanks guys
  7. P0300 03 sierra 6.0

    I have a crappy autel but it does some stuff . Not so sure about viewing each cylinder . Should probably figure that out though plan on taking the truck to shop and get a smoke test done on it . Also guys i have a p1516 electronic throttle body code truck makes a whistling noise seems to be coming from throttle body for whatever reason. Only happens randomly but more so In the morning and it’s never consistent , only some days. Idk lol. Truck runs and drives fine honestly imo , still tons of power and mpg is fine
  8. P0300 03 sierra 6.0

    Check engine light did flash only once when I was doing 85mph for about 15 miles highway. I do not have a tech 2 scanner wish I did. I really want to smoke out the engine and see if it possibly a intake leak. Would have no problem doing intake gaskets
  9. P0300 03 sierra 6.0

    Gotcha thanks . Just want someone who can read this freeze frame to point me in the right direction
  10. P0300 03 sierra 6.0

    That’s the only code , other than a p1516 which I also have to look into. just bought the truck. Did a tune up today to find out plugs and wires are pretty new. Had Delphi 7mm wires, and Bosch platinum gap .060, replaced with ngk iridium .040, ran rougher and put the Bosch plugs back in. Also put new ac delco wires on air filter new. Fuel filter new.
  11. P0300 03 sierra 6.0

    I have a 03 GMC Sierra 6.0 . Keeps throwing p0300. Now I am still not so good understanding all of these numbers but I took these numbers off the screen on my scanner freeze frame data from when the problem occurred. Pic And here’s the list of the rest Engine speed rpm 2569 Vehicle speed mph 73 Abslt tps% 35.7 any help would be great thank you
  12. i have a 2000 Silverado 2500 6.0 4x4 with 190k on it. so it shifts pretty good except overdrive like kicks in kinda hard sometimes. but when I was under the truck I saw the torque converter was blue? what color is the stock torque converter on a 00 Silverado 2500 6.0 4x4 4l80e
  13. So I’m on partsgeek, and there’s about 5 different ac delco fuel pumps. With 2 inch body raised identification, and some other stuff. Can anyone help me out so I can figure out which fuel pump I exactly need? I have a 2000 Silverado 2500 143.5 wheel 6.0 4x4
  14. so I took it to a shop, not exactly a shop that would do any exhaust work but they said they will look at it and let me know what there is to do.
  15. Hey guys I have. 00 Silverado 2500hd I believe with the 6.0, the flange that connects to the exhaust manifold with the 3 bolts is cracked on the y pipe side, not the exhaust manifold . It’s pretty bad and I have a leak, the passenger side pipe does not have a catalytic converter till after anything flange basically right past the trans . i am wondering what’s the best fix here? I can’t find the passenger side pipe for 2500hd thanks guys!

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