Fuel New Fuel Pressure Regulator Cover
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Note that the original fuel-pressure regulator cover included a retainer ring to evenly distribute the tightening load to ensure even compression and sealing of the diaphragm. The new adjustable cover incorporates a thicker flange that makes the retainer ring unnecessary; in fact, the new cover has a longer nipple for the vacuum line, making it impossible to fit the retaining ring to the new cover. During the install, we found that this nipple, which threads into the regulator cover, was only hand tight; we had to snug it up during assembly. View Related Article
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