Valve - Spring Strength

WARNING: This page is about a different car, the 2003 Mazda Tribute and 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Use a Valve/Clutch Spring Tester to check the valve spring for correct strength at the specified valve spring length. Refer to SPECIFICATIONS .
1. If out of specification, install new components as necessary.
  
  Fig 1: Testing Valve Spring Strength
  Courtesy of MAZDA MOTORS CORP.