I think this has something to do with accidentally turning / tugging the steering wheel a split second after turning the engine off - i.e. heaving on the wheel when stepping out of the car. It's an anti theft thing. Someone else on here wrote about this and there was some "reset" sequence should...
I think people are getting TWO issues mixed up here.
This "pinging" sound is an exhaust issue and all 6.0 L77's do it - apparently some more than others. Sounds sort of like rice grains rattling around in a can (if you get my drift) on acceleration. Does this at any temp - not just cold i.e...
I do - but no help around here. It's piston slap and you may find if you listen hard enough that it can last several minutes when cold. Read this.
https://forums.justcommodores.com.au/threads/ssv-ss-caprice-calais-v-l77-6-0-litre-piston-slap-rattle-cold-start.256133
Mines been in twice and...
Thanks Smashfist. I have thought about the exhaust. Have to disable the AFM too i guess. Definately no chirping (sideways lifters) or anything like that yet ! I think it's a common thing but just wanted to know how common. I have recently heard another do exactly the same thing when cold.
Hi all - new here and after some insight from the wealth of knowledge you all seem to have & sorry for the long first post !
I have a relatively new VF Commodore 6.0 litre - it's the L77 motor.
Soon after purchase (New) i noticed a tapping noise from the motor when cold & under light load...