What Does Piston Slap Sound Like?

[chillicatqld]

Hi all. Just wondering what the dreaded slap sounds like?
Mine doesn't use hardly any oil between services - but when starting cold I am getting a slight ticking sound (not disimilar to tappet tick in old style GH blocks). It goes away fairly quickly once the oil gets running round.
Should I book it in for a cold start test or is this normal?
Does the dreaded gudgeon/piston problem generally show its head by oil consumption?
cheers in advance...

[bpm]

hollow sound, a bit like a diesel idling, but quieter. Mine is noisy as when cold but doesnt use any oil. i will live with it.

[muzza]

Check out this website: http://www.pistonslap.com/

Got lots of details and sound clips.

[PSI-26L]

As above, mine is a bit noisy on cold start but doesnt burn any oil & noise goes away as it warms up. Im happy to live with it aswell.

[chillicatqld]

thnaks guys - and Muzz for that site.
WOW mine dont sound like that - holy crap.
Maybe keep an eye (ear) on it and see if it gets any louder over time...
cheers all

[PSI-26L]

Yeh mine definitely doesnt sound like that! Same type of sound but nowhere near as loud.

[muzza]

Yah - I reckon the sounds on that site are the REAL bad ones - they do sound like a diesel when piston is loose enough in the bore.

Even mine (late Yseries 2) has had piston slap once or twice on start from cold, but 30 seconds of warm up and it's gone. But others have had VY's that needed a rebuild though it seems no where near as many as the earlier series.

If your slapper slaps all day hot/cold then you have a problem.

[rabbitoh71]

Mine has a groaning sound when taking off. It happens hot and cold but mainly cold. I took it back to holden and they said it was the engine cover not on tight enough ( yer right ) however it seamed go away for a day of two. It is a 6 speed. Does this sound familiar?

[Drewie]

[QUOTE=rabbitoh71] Mine has a groaning sound when taking off. It happens hot and cold but mainly cold. I took it back to holden and they said it was the engine cover not on tight enough ( yer right ) however it seamed go away for a day of two. It is a 6 speed. Does this sound familiar? [QUOTE]

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Last edited by rabbitoh71 : Today at 06:07 PM.

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The ABS brakes do a self test when you first drive off.....it sounds like a sort of low groan type of noise, they all do that, start the car in the driveway and as soon as you touch the accelerator you will hear it self test, only does it once, until the next time you restart the car.

[Airzoom]

Thanks for that Drewie. Ive often wondered what that sound was when I backed out of the garage, never knew about ABS self test.

[OzJavelin]

Thanks for that Drewie. Ive often wondered what that sound was when I backed out of the garage, never knew about ABS self test.
Geez! Thanks for that too Drewie. My SV8 does that too and I thought it was something with the throttle cable sticking or something???!!

[rabbitoh71]

No this sound could happen at every set of lights until she's really warmed up then only every now and then.

Holden should of told me ablout the ABS thing!!