intake manifold gasket

  1. T

    98 7.4 Vortec intake manifold leak

    Back in 2014 I did my upper & lower intake manifold gaskets as I saw coolant leaking out in basically the same place as the attached photo shows. After the gasket replacement I didn't notice any leaks for a few years, but starting about 2 years ago I started to see coolant leakage in the same...
  2. Rcsb_z71

    Is this junk? Lower intake manifold swap

    Hey guys, wasn’t sure where to post this, first time posting and need some advice. I’m currently replacing my lower intake manifold on my 98 RCSB Z71 Silverado 5.7. I’m replacing it because it cracked at the heater hose quick disconnect housing, so it continuously leaks a good amount of coolant...
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