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  1. N

    [HELP] Throttle Position Sensor Replacement - 2003 5.3L

    I'm looking for information and instructions for replacing the TPS. All videos I've found are for Silverado or Tahoe, which has a different TPS based on what I've found (it's behind the alternator in those videos).
  2. Newclearwaste

    Z55 (Autoride) Suspension Replacement

    Hello fam! I am a new 2007 Avalanche LTZ owner! (eyyyyyyyy) I have been browsing the forums here, but I haven't found a very direct answer to what I'm looking for. I want to lift my Avalanche (probably a 4 inch lift) but from what I have read the Z55 suspension system that the LTZ models come...