LX450 ticking noise

1997 LEXUS LX 450
190,000 MILES • 6 CYL • AWD • AUTOMATIC
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MICKEYT
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  • 4 POSTS
I have a ticking sound on my LX450 but it runs perfectly fine, no leaks etc. Any ideas? I have 190,000 miles...any suggestions for pro-active services?
Feb 26, 2011 at 7:20 PM
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KHLOW2008
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Where is the noise coming from?
Does it changes with engine speed?
Feb 27, 2011 at 4:25 AM
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MICKEYT
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The engine area, and it seems to be just during idlning
Feb 27, 2011 at 4:51 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,814 POSTS
Ticking noise during idling are usually due to valve clearances. Have the valve clearances checked and shims replaced if there are signs of abnormal wear.
Feb 27, 2011 at 4:57 AM
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MICKEYT
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Ok thank you very much. Does this mean change valve cover gaskets as well?
Feb 27, 2011 at 5:02 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,814 POSTS
You're welcome.

When valve cover is removed, the gaskets is recommended to be replaced, unless it has only been installed recently.
Feb 27, 2011 at 5:06 AM
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MICKEYT
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Ok will have mechanic do so. Thanks again.
Feb 27, 2011 at 5:13 AM
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