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Type: Posts; User: 2003-5.3-V8

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  1. Replies
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    thanks for the advice but i havent done any...

    thanks for the advice but i havent done any rebuilding to the engine yet, and when i do i was planning on rebuilding it on my own, i have all the shop tools to do such, i was just wondering if anyone...
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    Exhaust Woosh noise?

    I have a 03 1500 with a 5.3l, I'm running 2.5" duals from engine to to tailpipes, and a 2.5"in. 2.5"out Thrush Welded muffler on each pipe. And I'm hearing this weird whooshing noise (and have been...
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    5.3l rebuild kit?

    I have some worn piston rings on my 2003 Chevy 1500 with a 5.3l, and I figured since I was gonna replace my piston rings I might as well rebuild the engine and replace everything, rings, bearings,...
  4. Blowing air with HVAC off while driving

    I'm having a bit of trouble finding out what this problem is.

    when I turn the A/C and Heater off the air stops blowing while the vehicle is stopped (as it normally should)
    But when I start to...
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    Yes my overflow is at max, and no the level does...

    Yes my overflow is at max, and no the level does not drop at all.
    I would agree with you because the feed line (inlet line) to the core gets hot like there is fluid in it but the return line is...
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    Not blowing hot

    This past weekend I drained the coolant out of my raidiator and refilled it using the correct proceedure, and now my heater only blows hot for a few seconds then goes cold! :grrrrrr:
    Anyone know...
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    124k on my 2003!

    124k on my 2003!
  8. Replies
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    1,655

    This has been going on for about a month or so,...

    This has been going on for about a month or so, as for all the oil additives, they have been all burned up. I checked my odometer and 4qts or so only lasts about 300-400 miles. Look into the...
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    High rpm oil burn!

    I have a 2003 Chevy Silverado 1500 with a 5.3l. When the engine gets above 4000rpm I can see a cloud of smoke coming out of the exhaust and it smells like its burning oil, and sure enough when I...
  10. Alright man thanks! ill go check it out!

    Alright man thanks!
    ill go check it out!
  11. 5.3l Convert to a LS1... well sort of i think...

    Ok the summer is comming up so i will have a bunch of free time on my hands. Ive been looking into upgrading my 2003 1500 silv 5.3l to get some more power out of her.

    Through my research i have...
  12. I get what your saying, and ive decided to return...

    I get what your saying, and ive decided to return it to stock height. What brand to you reccomend to return my truck to stock height? Website?
  13. 03 Silverado Suspension Replacement Questions

    I have a 2003 Silverado (121,xxxMI) with the stock suspension and is in serious need of replacement. My leafsprings are no longer in a "U" shape they are more of a "W" . And when i hit a speed bump...
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    It wouldnt bother me if the subs were downfiring,...

    It wouldnt bother me if the subs were downfiring, less likely for damage to happen to them lol
    i need some blueprints or plans for a box that is ported though, because these 10'' DDs that i have...
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    2003 Silverado Subwoofer Box Design

    I need plans/designs for a ported front-fire subwoofer box that will fit under my rear seatin my 2003 silverado 1500 extended cab

    Im putting my 2 10'' DD 500 series in it and i would like to put...
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    Thanks Revredneck!

    Thanks Revredneck!
  17. Replies
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    1,031

    Engine Knock Sensor help!

    i have a 2003 silverado 1500 5.3l and i need to replace the knock sensors under the intake manifold. i would like to replace them my self and get to know my truck a little better.
    What parts do i...
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    how hard would that be and how long would it take...

    how hard would that be and how long would it take cause its my only ride to work/school?

    ---------- Post added at 08:17 PM ---------- Previous post was at 08:16 PM ----------

    And what could...
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    Engine light problem

    my engine light went on earlier today and went to AutoZone to check out what it was. they read the engine light code reader and said that it was my knock sensor. The lady said that it may have just...
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    LT Headders?

    Have a 2003 silverado 1500 5.3l and I want to put some long tube headders on her. I'm looking for a good brand with reasonable pricing. Any suggestions on websites?
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    Audio Have 2 10" 1500series in a ported box that meet...

    Have 2 10" 1500series in a ported box that meet the specs of the build your own box on DD Audio's website. I have a Lanzar vibe pro 2200w http://www.lanzar.com/itempage.asp?MODEL=VBP251
    And a...
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    564

    Oil pressure/ oil guage problem?

    My oil gauge needle is normally at 38-40 when at normal idol( tach gauge picture is at normal idol) and goes up to 80ish at full rev, but today when I started her the needle only went to like 20-22...
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    The only reason I turned it into a true dual is...

    The only reason I turned it into a true dual is because it sounded like a leafblower blowing air or a loud whooshing noise when it was at high RPMs
    But thanks guys I put a Dual inlet dual outlet...
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    How do I put it in the vacuum system?

    How do I put it in the vacuum system?
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    I need hlep! ~ 1991 K1500

    My friend has a 1991 K1500 5.7 V8 4WD, and he has a few questions:

    1. I have a 22in cherry bomb glasspack dumped before the rear axle, but its not that loud and dosent sound that good to me,...
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