My 2.8 ( amongst a few others ) has developed a rattly timing chain upon cold start up. It was only for 3 or 4 seconds that the noise was present and then it went away for the rest of the day. It first happened at 30,000klm then went away and came back at 32,000klm. The recent spate of cold weather seems to have made the noise more apparent.
So this post is a heads up for others to see if they have the rattle at start up or while the engine is idling , and a warning to get it seen to asap. I dropped the car in and let them keep it for a couple of days to see if it occurred again. And luckily it did.
They have not told me the exact cause of the issue but have agreed to replace the entire chain / drive sprockets / guide assemblies with an upgraded kit. There is a 4 week wait for parts and a 3 day repair time as the engine has to be removed for access to the internals. Rumor on other forums says it may be due to incorrect sprocket machining , i have no proof of this though it makes sense. Two or 3 people have lost entire engines over this.
Luckily my dealership has a new service manager who is awesome , to be honest i was expecting a tussle over this repair. I'll post back with the results down the track.
go out and check your timing chains!! Upgraded kit numbers are in the Parts List topic
So this post is a heads up for others to see if they have the rattle at start up or while the engine is idling , and a warning to get it seen to asap. I dropped the car in and let them keep it for a couple of days to see if it occurred again. And luckily it did.
They have not told me the exact cause of the issue but have agreed to replace the entire chain / drive sprockets / guide assemblies with an upgraded kit. There is a 4 week wait for parts and a 3 day repair time as the engine has to be removed for access to the internals. Rumor on other forums says it may be due to incorrect sprocket machining , i have no proof of this though it makes sense. Two or 3 people have lost entire engines over this.
Luckily my dealership has a new service manager who is awesome , to be honest i was expecting a tussle over this repair. I'll post back with the results down the track.
go out and check your timing chains!! Upgraded kit numbers are in the Parts List topic
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