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www.elcovaforums.com > ... > General H3 Discussion
Sep 15, 2005 - 24 posts - 17 authors
rattling sound inespected in my hummer because ... go uphill or press on the gas pedal to ... same time up to 2500 rpm on my H3. .... Buzz or Rattle Noise While DrivingUnder Load from the Exhaust ... 2006 Hummer H3
Could be in 4x4. Also does it have a limited slip front axle? If it bucks and pops like its in 4wd, could be a problem there. Could also be a problem with one of the drive shafts going out to the wheels. Hope that helps. Oil change in the front diff will tell you a lot more, and relitavily cheap.
two ways: cranking the engine by turning the crank pulley bolt. Best done with valve cover off to verify full engine oil prime. The other economical way is by disabling the ignition and fuel pump (fuse removal) and cranking engine for 5 seconds, three times each.
Check the fuses of the lo and hi 4 wheel drive or disconnect the terminals put them together for ten minutes and reconnect and start and see what happens
My 2006 Hummer H3 is not coming out of lock position. Indicator light says its in the normal 4 wheel drive but it doesn't feel like that when i am making a hard turn. I tried driving in reverse as well as letting it sit in the garage overnight. What is prob?
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