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  1. Metallic Rattling Noise At Rear Of Vehicle

    OEM Issues
    So let me describe whats happening. Ive got a 2005 Trailblazer LS with the 4.2ltr engine.It rides & sounds normal on smooth roads regardless of speed.However,when you're driving through potholes or hitting any type of bump period,you can hear a loud rattling noise near the rear.If you were to...
  2. 04 Trailblazer gravel like engine sound at idle goes away at higher RPM

    Just this morning without any warning my engine began to make this terrible gravel or sand like noise. It started in a parking lot when I was about to park. When I left I noticed it immediately after starting the engine but the noise dies down and occasionally goes away completely while...
  3. Rear end rattle

    Long time lurker, first time poster. Thanks in advance for the advice! My 2004 TB has a rattle in the rear end (or what sounds like the rear) while driving over rough roads. I know it isn't this because I checked, but it sounds like the spare tire is loose and rattling around. I rocked the car...
  4. Rattle after deceleration

    Exhaust Mods
    My first post.:) I'm really happy that I read the forum. Great and informative. Love it. Learning a lot. Okay I have a noise coming from the bottom of my 2006 SAAB 9-7x 5.3i. When I decelerate there is a rattle under my car near the middle of the car. I have been to the dealership. They have...
  5. [SOLVED] Rattling Under Acceleration (2.5k-3.25k rpms)

    OEM Issues
    Hi this is my first post... I own a 2003 trailblazer and ever since i bought it 2 years ago it has had a problem with some rattling. The rattling begins under slow to medium acceleration around 2500 rpms and gets worse until about 3250 rpms or until the gear changes. It doesn't happen under...
  6. Rattle Underneath 2003 GMC Envoy

    Hello all, Hope you can figure out this one for me like my 4wd issue you guys solved. So driving on the highway there is no noise but when on side roads or bumpy roads I hear a rattle coming from underneath my truck. It sounds like something is loose but I have no idea what it could be. Any...
  7. rattling sound coming from back underside

    Exhaust Mods
    i have an 02 LTZ..I just hit the 90,000 mile mark. a few thousand miles ago i started to notice a rattling sound coming from the rear underside, it only rattles when the vehicle is idling and in gear, such as when im sitting at a stop sign, traffic light, or sitting and talking to someone. any...