engine noise

  1. Kingtinued

    1994 GMC Sierra K1500 5.7L V8 - Noise Behind Harmonic Balancer (Video Included) - Beginner Seeking Diagnosis Help

    Hello everyone, Video link with sound - The truck is a beast and I love it! I'm new to the forum and not very experienced with mechanics, but I'm diving in to fix this myself since I use my truck totally off-grid and not on the street. It's a 1994 GMC Sierra K1500 with the 5.7L V8 TBI...
  2. K

    350 tbi knock and tick at warm idle

    I have a 1994 Chevy k1500 with the 350 tbi that’s is having a weird issue. The engine had low oil pressure and and knocking and ticking noise when warmed up for a while that I figured to be an oil pump issue that I didn’t have time to tear apart and diagnose. I just got finished installing new...
  3. T

    Mystery noise and ses code 43

    1988 k2500 5.7L automatic The noise comes from somewhere in the front half of the truck. It only happens when accelerating just before a upshift (think merging on to highway). It doesn't happen every time I upshift/accelerate, but when it does happen, it's while accelerating. I don't think it...
  4. C

    What is this high pitched sound coming from right side of the engine?

    I thought it was the AC Compressor but I removed it and bypassed it. I removed the belt and the sound went away. Could it be the power steering pump? It is not audible during low rps and only is heard in higher rpms. I don't always hear it always as well. The engine needs to heat up for me to...
  5. O

    LOUD rattle when engine starts

    Hello, I’ve came here as a last resort because I’ve tried everything I originally planned on doing plug wires, spark plugs, and a cap and rotor as regular maintenance All was well until I went to fire it up again. And it makes a horribly loud rattle It doesn’t do it when the starters...
  6. J

    Please help with my first truck

    I bought a 1998 Silverado 2 days ago knowing it had some “misfire” problems but I didn’t know the causes, I’ve replaced the rotor cap and rotor and nothing really changed, sometimes it take 3 cranks to start up and sometimes it fires right up. I’ve put a video of it running, it won’t go past...
  7. BlackedoutBandit

    98 Cheyenne 2500 im at a loss...

    I adjusted the valves 3 days ago. The first day was nice, no lifter tick, more power. The 2nd day i started to hear a bit of what i thought was a knock. My lifters never ticked at idle or low rpm previously. But if i got on it at all they would almost sing. Now its doing nearly the same...

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