1999 Mitsubishi Montero Tapping sound in engine

1999 MITSUBISHI MONTERO
80,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BACKYARD MAN
  • MEMBER
  • 1 POST
My daughters Montero is making a fairly loud tapping sound, much like lifter noise. I understand that the s.u.v. has a single overhead cam so no need for lifters but an exploded picture I viewed looked like it had some type of lifter system. How best to solve the loud tapping noise.
Jan 23, 2008 at 5:32 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
You need to check the oil pressure-could be the oil pump is weak and the oil is not making it all the way to the head/s. When was the last oil/filter changed? This valvetrain is non adjustable you need to change the the hydraulic valve adjuster-meaning lifters/shimming discs.

Might want to try engine flush and see what happens.
Jan 23, 2008 at 6:09 AM
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