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Does anyone know why the infamous timing chain powertrain warranty extension did not include the 2008 enclave? It included the 2007 and 2009 Acadia and Outlook and 2009 Enclave but not the 2008. The thing is, my Enclave was built in May of 2007 and has the same engine. And, guess what? Same timing chain issue! At the dealer right now, out of warranty, of course, waiting for me to show up and drop around $2,400 to pay for them to replace the timing chain and do all the stuff they need to around that.

I have the same LY7 engine and a timing chain needing to get replaced under 100,000 miles is ridiculous. I've actually never had a vehicle where that was necessary at all. So obviously it's an issue - but why in the heck did they skip the 2008 models?

Sorry for the rant, but I figured if anyone would know, it'd be the folks here. And, I have to say, after having to drop a like amount just last year to rebuild the transmission (driving our daughter back and forth to school and soccer must put a heckuva load on this car), this is the most expensive vehicle I've ever owner. Two ridiculously early big expenses equals a poor-quality vehicle, in my mind. I've already spent way more on it than I have on my '97 Tahoe with over 200,000 miles on it.
 

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doncaruana said:
Does anyone know why the infamous timing chain powertrain warranty extension did not include the 2008 enclave? It included the 2007 and 2009 Acadia and Outlook and 2009 Enclave but not the 2008. The thing is, my Enclave was built in May of 2007 and has the same engine. And, guess what? Same timing chain issue! At the dealer right now, out of warranty, of course, waiting for me to show up and drop around $2,400 to pay for them to replace the timing chain and do all the stuff they need to around that.

I have the same LY7 engine and a timing chain needing to get replaced under 100,000 miles is ridiculous. I've actually never had a vehicle where that was necessary at all. So obviously it's an issue - but why in the heck did they skip the 2008 models?

Sorry for the rant, but I figured if anyone would know, it'd be the folks here. And, I have to say, after having to drop a like amount just last year to rebuild the transmission (driving our daughter back and forth to school and soccer must put a heckuva load on this car), this is the most expensive vehicle I've ever owner. Two ridiculously early big expenses equals a poor-quality vehicle, in my mind. I've already spent way more on it than I have on my '97 Tahoe with over 200,000 miles on it.
I've never had a car other than a GM, but they're starting to piss me off by sitting back and doing nothing with the many faults of the early models. No idea why they haven't put an extension on a few things (eg transmission). I have a 2008 and I was debating whether to get rid of it. My extended warranty expires in Feb 2015. I've gotten a few things out of the extended warranty over the past 3 years, but the primary reason I purchased the extended warranted was for the wave plate issue. It hasn't happen... yet. As far as I know, I'm on my original timing chain as well. I'm currently pricing out extended warranties for another 2 years / 24000 miles in case I decide to hold on to the Enclave. I don't want to have 2 car payments and I'm only 1 year in on my wife's CR-V. I may be looking at the new Honda Pilot in 2 years.
 

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Whether real or perceived, it seems that GM supports its customers who are victims of early model faults less than most other car companies.
 

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doncaruana said:
Does anyone know why the infamous timing chain powertrain warranty extension did not include the 2008 enclave? It included the 2007 and 2009 Acadia and Outlook and 2009 Enclave but not the 2008. The thing is, my Enclave was built in May of 2007 and has the same engine. And, guess what? Same timing chain issue! At the dealer right now, out of warranty, of course, waiting for me to show up and drop around $2,400 to pay for them to replace the timing chain and do all the stuff they need to around that.

I have the same LY7 engine and a timing chain needing to get replaced under 100,000 miles is ridiculous. I've actually never had a vehicle where that was necessary at all. So obviously it's an issue - but why in the heck did they skip the 2008 models?

Sorry for the rant, but I figured if anyone would know, it'd be the folks here. And, I have to say, after having to drop a like amount just last year to rebuild the transmission (driving our daughter back and forth to school and soccer must put a heckuva load on this car), this is the most expensive vehicle I've ever owner. Two ridiculously early big expenses equals a poor-quality vehicle, in my mind. I've already spent way more on it than I have on my '97 Tahoe with over 200,000 miles on it.
If you're interested in sending us your VIN and contact information we'll gladly document your concerns on file, doncarauna. We recognize you're frustrated and we do apologize. Please let us know if there's anything we can do to help.

Amber N.
Buick Customer Care

zebra26 said:
I've never had a car other than a GM, but they're starting to piss me off by sitting back and doing nothing with the many faults of the early models. No idea why they haven't put an extension on a few things (eg transmission). I have a 2008 and I was debating whether to get rid of it. My extended warranty expires in Feb 2015. I've gotten a few things out of the extended warranty over the past 3 years, but the primary reason I purchased the extended warranted was for the wave plate issue. It hasn't happen... yet. As far as I know, I'm on my original timing chain as well. I'm currently pricing out extended warranties for another 2 years / 24000 miles in case I decide to hold on to the Enclave. I don't want to have 2 car payments and I'm only 1 year in on my wife's CR-V. I may be looking at the new Honda Pilot in 2 years.
We certainly understand your frustration, zebra26. Please know we're available via private message if you'd like to further discuss your concerns.

Amber N.
Buick Customer Care
 

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Hi all,
Was searching the boards but couldn't find any updates to why the 08s are not included in the timing chain extended coverage. Has anyone heard of why? Before I brought my car in I checked on the Buick owners website and nothing about the timing chain, so it's going to cost me $2800. Mine is a Sept 07 production date. Service guy at the dealer said they're experts in fixing them since they fix so many. He couldn't understand why there is no extended warranty for some lambdas and not others. My only option is to get it fixed and hope that GM comes back someday and issues the extended coverage for the 08s and I get reimbursed, like they did for the wave plate, water pump, power steering, master brake cylinder, throttle, .....what else am I missing. (Not even bringing the full fledged recalls into the conversation).

paid close to $40k for the Enclave and then over $10k in repairs. Got some of it back but GM is not making it easy at all. I can understand that to a point, but when these early lambdas have so many common issues (which usually are major issues) you would think GM would eliminate some of the red tape.
 

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Napjax, it's apparently a VIN specific issue based on which batch(es) of chains were installed. But, I haven't been able to find a definitive explanation directly from GM, either.
 

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I believe the 08 Acadias and Outlooks are included. Just bugging me that no one at GM can tell me why not the Enclaves. if they have a different chain then just say that. but the fact that GM is not saying that, and the fact that the Enclaves were the most popular early lambdas make me think they just don't want to address the larger #s.
 

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Napjax said:
I believe the 08 Acadias and Outlooks are included. Just bugging me that no one at GM can tell me why not the Enclaves. if they have a different chain then just say that. but the fact that GM is not saying that, and the fact that the Enclaves were the most popular early lambdas make me think they just don't want to address the larger #s.
Just plain dumb.
 

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FWIW....I had mine changed out at 48,865 miles after noticing oil leaking from the front of the engine and on my driveway. I have 96k miles now. If it starts to leak again, I'm demanding their replacement at N/C. Chains should last well over 100k miles.
 
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