vacuum leak

  1. R

    Engine performance

    So i have a 99 5.9 and i replaced my valve cover gaskets, since then it has not ran right. i have an exhaust leak where the exhaust pipe meets the manifold not sure if that could be contributing or not but i have changed the pcv valve and checked high and low for vacuum leaks, though i have not...
  2. MarkMac77

    Two Days Under the ‘01 For Clutch Replacement NV3500

    So driving home from a trip to the mountains last week, I went to downshift and the transmission went *BANG* and the clutch pedal fell lifelessly to the floorboard. A quick look under the truck revealed that the throwout bearing left the chat in dramatic fashion. The parts counter guy asked...
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