D2 piston slap

[Discobaker]

Hi all, some advise if u don't mind, piston slap in my D2 V8 is the diagnosis, is there anything at all I can do to minimise the V8 almost sounding like a diesel. Asked about putting the thicker, higher zinc content oil in as previously advised when talking about lifter noise but mechanic says it will make no difference. Any help would be fantastic.
Cheers to all

[Jordos D2]

hi mate i cant be sure about your d2 v8 but when the commodores with the gen111 5.7ltr v8`s got piston slap they needed a rebuild it was a common problem with the manuals

[Blknight.aus]

nope piston slap is terminal. there are no reliable short term fixes that dont involve stripping the engine

[strangy]

If you look in the middle of the dash / console area, you will see knob marked "vol", turn it all the way clock wise and then back it off 1/8 of a turn. See how that goes.:p

Sorry couldnt resist. Hope it doesnt cause you too much heart ache:(

[Discobaker]

If you look in the middle of the dash / console area, you will see knob marked "vol", turn it all the way clock wise and then back it off 1/8 of a turn. See how that goes.:p

Sorry couldnt resist. Hope it doesnt cause you too much heart ache:(

Nice one strangy, no, no heart ache so far, at least whilst it's under dealer warranty, I've onle had the bloody thing 3 weeks! Ask me again tomorrow after I talk to the dealer, if he's uncooperative, u may get a much different reply :)

[Scouse]

How many Km has the engine done?

Piston slap is not really a common problem so I would think it's strange for a D2 to suffer from this (unless it has lots of Km under it's belt).

[Discobaker]

How many Km has the engine done?

Piston slap is not really a common problem so I would think it's strange for a D2 to suffer from this (unless it has lots of Km under it's belt).

She's done 187K, brilliant service history etc but I dunno, I guess the opinion of the mechanic is only one opinion.

[Scouse]

Not a lot of Km then.
Is the problem only there when the engine is cold?

[Discobaker]

Not a lot of Km then.
Is the problem only there when the engine is cold?

Seems to be a little worse when cold but I don't sit and let it warm up before I move, I've been to your better off driving but taking it easy till she gets up to temp which is pretty quick anyways. Still there when it's up to temp but I guess slightly quieter.
Thanks mate :)

[Traco]

Sure it is not a dropped liner? I think this tends to make more of a ticking than a slapping sound though.

[Discobaker]

Sure it is not a dropped liner? I think this tends to make more of a ticking than a slapping sound though.

Possibly, I'm not sure, not going to pull the motor apart till I'm co
pletely out of options with this car yard.
Cheers

[Pedro_The_Swift]

not many rebuilt d2 v8's even 10 years down the road,,,
a few from chasing more power for whatever reason but havent heard of one just wearing out,,,
and even then its usually top end stuff that goes first,,

curious.


does the engine look like its been apart recently??

[Blknight.aus]

should of asked...

who did the initial diagnosys?

what have other greasers said?

[Discobaker]

Doesn't look like it's been apart as far as I can tell, has all been degeased of course cause that's what car yards do to make em look good. It was even spit pollished underneath. Should have known, these things are leakers and it was all clean so who knows what it was like before I saw it.

Original diagnosis was done by a company (not sure if I'm aloud to use names, if not, I apologise) called Rally Offroad in Geelong, they're an arm off Rally Motors and have a pretty clean rep. Also had a mate who's a head mechanic at ford say same.

Car salesman willing to swap for something else of same value but now I have to wait till he gets something in that will suit.

[Discobaker]

not many rebuilt d2 v8's even 10 years down the road,,,
a few from chasing more power for whatever reason but havent heard of one just wearing out,,,
and even then its usually top end stuff that goes first,,

curious.


does the engine look like its been apart recently??

Is apparently quite common but misdiagnosed, piston expands with heat and then when they cool, sometimes they shrink ever so slightly more than original size which gives them room to move left and right inside the cylinder getting worse till she finally drops a leg out of bed.