Question about 2005 Chevrolet TrailBlazer

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Lost oil pressure

While driving at 60 mph I lost oil pressure pulled over turned off car then I started it again makes noise on my 2005 trailblazer EXT

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  • Bettie Cisco Apr 13, 2009

    I checked the oil level and I have oil, I just had a oil change at Jiffy Lube 2 weeks ago. I had to have the car towed home. 

  • Bettie Cisco Apr 13, 2009

    What is a dropped oil pickup tube? What does it cost to replace a oil pump?

  • Bettie Cisco Apr 13, 2009

    Thank you daves944 this has helped alot!!!! I now know what to do. This is not a good time financially to have to do major repairs. I just paid off my car. You are GREAT!

  • Bettie Cisco Apr 13, 2009

    I will change the oil filter and see if that is the problem. I hate jiffy lube, but is was convenient out here in Tooele. 

  • Dave  C
    Dave C May 11, 2010

    You did the right thing by pulling over, do not drive the car without oil pressure. Is there oil in it?

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Highly unlikely that you need a pump, but it is possible that the pick-up tube that extends down into the oil pan, from the pump, has become loose or broken and dropped off it's mount and into the oil pan. It is also possible that the screen on the pick-up tube has become covered in sludge build-up and is no longer allowing oil into the pump. The next course of action would be to remove the oil pan and have a look at the condition of the oil pump pick-up tube and go from there

Posted on Apr 13, 2009

  • Dave  C
    Dave C Apr 13, 2009

    The jiffy lube oil change makes me nervous, I hate coincidences. Change just the filter and see if there's any change, just wondering about sub-standard parts. It just seems odd, maybe they put a bad filter on, this could be the cause of your problem.

  • Dave  C
    Dave C Apr 13, 2009

    Just pulled this off the net, tells how to get at the filter:



    The oil drain plug and oil filter are under the engine skid plate. You need to remove the trap door to see.


    The skid plate door is located by the drivers side door, directly
    midway underneath the vehicle. You will need a flat or Phillips-hear
    srewdriver to open the trap door. Don't worry, the screws are
    'loss-proof' and will not fall off the trap door plate. Once this has
    been removed, the oil drain plug and oil filter are now visible and
    accessable

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Check the oil level. if the oil level is fine than you may have a failed oil pump, or a dropped oil pickup tube. i have seen this issue a few times. its not common but it does happen.

Posted on Apr 13, 2009

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