2001 Diamanté make valve or tapped noise,155654 miles,what shall I repair

Asked by Aug 23, 2014 at 01:39 PM about the Mitsubishi Diamante

Question type: Maintenance & Repair

Make engine noise like tapping, has 155654 miles , is it I have to mill the heads and
valve check,where shall I start to take care of that noise,check pressure in each cyl?
Please let me know,thanks   Jay.

1 Answer


You are describing the classic HLA noise, you can try a quart of marvel mystery oil on your next oil change, it worked in my Acura for over a year, but I eventually had to replace the HLA's. HTH

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