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Old 09-26-2019, 10:18 AM   #1
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2.7 986, ticking noise recently developed, - video included

Hi all, my boxster suddenly developed this ticking noise, it appears to be coming from the RHS of the engine, having difficulty diagnosing and would appreciate any suggestions or advice before taking it off to a porsche specialist.
I have (wishful thinking) checked the tightness of the spark plugs on the RHS after seeing a few reports mention this, however I am led to believe it is likely a stuck or collapsed hydraulic lifter.
I would appreciate any guidance here, many thanks.

https://youtu.be/J69YRs7ZHZ8

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Old 09-27-2019, 02:31 PM   #2
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That doesn't sound like lifter noise. Haven't heard one like that before, so I can't help.
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Old 09-27-2019, 05:25 PM   #3
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Did you pull the belt to see if the noise goes away? If the noise goesw away... check the idler and tensioner pulleys.
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Old 09-28-2019, 01:49 AM   #4
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Thanks for the replies,
Just a bit more information:-
Mileage is at 110,000 miles
2500 miles since last oil change.
Have flushed and changed oil,
Serpentine belt removed,
Checked plugs and coils on RHS where noise is prevalent
Visual check of manifold, exhaust and shielding.
The noise still persists, I will be trying some liqui- moly lifter additive later today and have a technician coming to give it a look tomorrow.
The noise started suddenly whilst driving in traffic, good engine temps, water and oil levels.
Thank you for any advice.
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Old 09-28-2019, 02:55 AM   #5
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This is not a noise from a lifter.

And if, that is beyond something you can solve with an additive.
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Last edited by Smallblock454; 09-28-2019 at 02:57 AM.
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Old 10-16-2019, 06:29 PM   #6
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bore scoring is a possible cause. need to pull plugs, check for dirty oily plugs, good starting point to then carry out a borescope...

this is also occuring on the 981 engines with direct injection..

hope im wrong
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Old 10-16-2019, 11:49 PM   #7
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https://www.facebook.com/john.wood.7921/videos/1342792849066290/
My 3.4 made a similar noise and it turned out to be a lifter had gone flat

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