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  1. #1

    Default 5.3 liter engine

    I am going to look at a 2004 Suburban this weekend with a 5.3 liter engine. I am more familiar with the old 305's and 350's. Can anyone give me some tips on what to look for or check?
    Thanks,
    Jim

  2. #2

    Cool 5.3 liter engine

    The 5.3 is a great, reliable engine. Back in 2002 JD Powers said it achieved a rating of 9 per 100 engines. The Toyota 4.7 had a 13 of 100 and Ford 5.4 had a rating of 17 of 100. Most major problems I've seen with the engine is mainly owner neglect or abuse. I forgot to mention the rating is how many problems engines out of 100 had trouble.

  3. #3

    Default

    I agree 100% with what Silveradotrailblazer has said about the 5.3's Being a Great Engine.......the 5.3 in my truck has 142,000 miles and it runs Great.

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  4. #4
    Master Mechanic bigdaddy77084's Avatar
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    Default

    Someone had a Youtube on here about the exhaust manifold bolts
    breaking off...Dont really know that much about the newer stuff..
    But ya learn alot on here thats for sure..
    95 tahoe 2dr 4x4 200,000+ miles

  5. #5
    Jr. Mechanic
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    Default

    Quote Originally Posted by bigdaddy77084 View Post
    Someone had a Youtube on here about the exhaust manifold bolts
    breaking off...Dont really know that much about the newer stuff..
    But ya learn alot on here thats for sure..
    That was a problem with the 6.0s not the 5.3

    07 NBS Crew cab SLT 4x4

  6. #6
    Master Mechanic Silverado Junkie's Avatar
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    Lead Hill, Arkansas
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    541

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    Dads 5.3l ran strong untill it blew a head gasket at over 255,000 miles. Awesome motor.
    1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes

  7. #7

    Default

    Got one in my 2002 Yukon and still running great at 114K miles. I did have an injector go bad but with the way the packs are separated to each cylinder it was easy to diag. It was also a good time to replace the plugs and wires. It also didnt leave me on the side of the road...just a trouble code.

    The one thing that I have to do every 6 months or so is clean all the black crud out of the intake. I pull the air cleaner and take choke cleaner and a clean toothbursh and open the intake gate and wipe down everything the toothbrush touches. Then fire it up and let it run for another minute and all it well. If I dont do this it starts idling too low and gets rough at idle. Never a problem other than idle.
    Last edited by bowfishrp; 05-27-2010 at 03:23 PM.

  8. #8

    Default

    never had any issues when I had my 2000 1500. Ran great
    David
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    http://www.gmtruckclub.com/forum/sho...Silverado-2500
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  9. #9
    Master Mechanic bigdaddy77084's Avatar
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    Default

    I think this is it..
    Quote Originally Posted by Farmerdave View Post
    That was a problem with the 6.0s not the 5.3

  10. #10
    Jr. Mechanic
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    Default

    Quote Originally Posted by bigdaddy77084 View Post
    I think this is it..
    I stand corrected!!! I had two 6.0s that did it but haven't heard of the 5.3s or 4.8s doing it but I have now and yes its the same problem. Your right I was wrong.

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