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  1. T

    Spark Plug recommendation

    About to replace spark plugs on an 05 5.3 litre. Has about 82,500 miles.
  2. T

    Oil Fill neck loose

    I just went out to put about a half a quart in my 05 Z71 5.3 ltr. The neck where you fill the oil is a little loose and can be moved a little back and forth. Has anyone had this happen? If so, can you just replace the neck or the entire valve cover? Also, is it anything to worry about? I'm...
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