Practice question

When installing a new cylinder head gasket on a school bus diesel, the technician notices the gasket is marked TOP or FRONT. The technician should:

  1. Install it in whichever direction is easiest
  2. Install it in the orientation specified by the markings to ensure proper coolant and oil passage alignment
  3. Trim the markings off and install it
  4. Install it upside down for better sealing

Answer: B — Install it in the orientation specified by the markings to ensure proper coolant and oil passage alignment

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