Check Engine Light and codes P0008 and P0017

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[rbarrios]

what I meant to say by oil type-- is that our 3.9 DI is programmed to take oil properties of dino oil....
the 3.6 DI in the Caddy- I believe comes with Synthetic oil- and thus is programmed to take those properties into the calculation of oil life....
(Corvettes and SS trailblazers for example also come with Synthetic from the factory- and those use the synthetics properties to determine Oil life)...

and yes--- it cannot tell if theres synthetic or dino,...

[copperbeech]

the 3.6 DI in the Caddy- I believe comes with Synthetic oil- and thus is programmed to take those properties into the calculation of oil life....

I never understood this; that is, why do the 09 and 10 Lambdas, equipped with essentially the same engine (3.6 DI) as the CTS Caddy, come from the factory with dino (rather than synthetic) and have lesser oil requirements than its richer cousins e.g. the CTS (i.e. GM 6094M oil rather than the high temp 4718M rated oil) ? This is one reason why I will only use a 4178M synthetic oil in our Traverse. 'What is good for the goose should be good for the gander'  .

[Toddzilla67]

Doesn't the Enclave come with Mobil 1 FF?  What you're saying Copper makes sense especially since we're talking about a vehicle that weighs at least another 1000 pounds and will constantly put more load on the engine.  We will put Mobil 1 in ours as soon as all is broken in and seated properly as our Traverse sees 90% city driving for less than 5 miles at a time.

[copperbeech]

Doesn't the Enclave come with Mobil 1 FF?

It does not (or at the least the 09s didn't).

We will put Mobil 1 in ours as soon as all is broken in and seated properly as our Traverse sees 90% city driving for less than 5 miles at a time.

FWIW you can put in synthetic oil at *any* time.

Anyways the driving routine you describe is for sure hard on motor oil. Your OLM #s should be dropping relatively quickly. Also are you in a cold weather climate? Short trips in cold weather is a double whammy for oil  . For example my OLM is already at 65% and it has been only just under 3k miles as I too do lots of short trips in cold weather.

[Heather78]

thanks for the replies.  I didn't think 12k was unusual because my Malibu would do the same thing and was fine.  I also didn't think that dirty oil was the cause of the stretched chain.  I'll update my post after I talk to the dealership monday to see what they have to say.  Any other thoughts would be great!  I do have an early 09.  I ordered it and took delivery oct of 2008.

[copperbeech]

I didn't think 12k was unusual

It isnt.

[Toddzilla67]

It has been colder than usual around here since we got our Traverse--high teens to high 30s (mid 40s is the norm this time of year).  We now have about 1200 miles on it and only 30 or so highway miles.  It just doesn't like cruising at 75 MPH yet.

Anyway, my service advisor said that we should wait probably 10K miles before switching from dino to synthetic.  And I'm going to let him do the oil changes since he'll comp the labor when I buy the oil and filter through him.

Heather, I run my 2007 Chevy Express AWD van (63K miles) mainly on the freeway (75-80 MPH) every day.  I've run that 5.3L V-8 past 7500 miles many times and could probably go much farther.  But I don't want my employer to start wondering why my oil change intervals are so far apart and then hold my feet to the fire should something go wrong.

[Heather78]

Okay guys.  I talked first hand to my dealer rep and he said the code was actually that the timing was off on my engine.  He called tech support and they attributed it to the stretched timing chain so they really don't know for sure.  He did say that it was due to my oil being dirty and that I can't go by the OLM.    Then why have an OLM???  I asked if he thought there was any other damage in my engine and he very confidently said no.  We'll see what happens.  I am supposed to take it in Thursday.  Oh yea in the meantime my autostart doesn't work due to the code.

[copperbeech]

He called tech support and they attributed it to the stretched timing chain so they really don't know for sure.  He did say that it was due to my oil being dirty

*IF* that was the case i.e dirty oil the problem then there would have been so much else in the engine that would have failed first!

This is not the reason for the incorrect timing.

[rbarrios]

As for the OLM...
on other GM cars-- its been shown to be accurate.
I can add my Used oil analysis as proof on my 2003 Trailblazer...

Now- for the OLM- on the Lambdas....
the new DI engine appears to be beating up the oil much earlier than the OLM indicates... this is for the 3.6 DI lamdas.

As a side note.... I dont think Ive seen used oil analysis for 2010 DI 3.6... (I may have seen 1-- and I think it had positive results)...
My hope is that they have tweaked the OLM algorithm on the 2010's....
I myself just changed the oil on my 2010---(5154 miles on oil and 50% oil life left). (I will have it analyzed--thought I inavertedly contaminated my oil sample)....

[bobg1951chevy]

As for the OLM...
on other GM cars-- its been shown to be accurate.
I can add my Used oil analysis as proof on my 2003 Trailblazer...

Now- for the OLM- on the Lambdas....
the new DI engine appears to be beating up the oil much earlier than the OLM indicates... this is for the 3.9 DI lamdas.

As a side note.... I dont think Ive seen used oil analysis for 2010 DI 3.9... (I may have seen 1-- and I think it had positive results)...
My hope is that they have tweaked the OLM algorithm on the 2010's....
I myself just changed the oil on my 2010---(5154 miles on oil and 50% oil life left). (I will have it analyzed--thought I inavertedly contaminated my oil sample)....

I'm wondering here ..... You refer to the engine as a 3.9. The info I have has told me the Traverse engine is a 3.6.

Bob

[rbarrios]

sorry yes--- 3.6... errors corrected..
thanks

[bobg1951chevy]

sorry yes--- 3.6... errors corrected..
thanks

This is a 220 cu. in., compared to our TrailBlazers with 256 cu in.

Bob

[MIII]

FYI,

I dropped my early '09 Traverse off today because my CEL was on. I didn't get a look at the code number but the reader said "Engine Position ......" I was told I had a stretched timing chain. Nothing mentioned about oil but I did just get mine done at 10K-11K miles When OLI hit 1% remaining. I have about 1.5K on the new oil. I drive about 11K per year most trips from cold start last 20 minutes about 12 miles.

The CEL started about 2 weeks ago on intermittently. Thursday I stopped in the dealer while it was on to have the code read. Since then it is on about 98% of the time. Will know later this week if a new chain fixes it.

[bobg1951chevy]

FYI,

I dropped my early '09 Traverse off today because my CEL was on. I didn't get a look at the code number but the reader said "Engine Position ......" I was told I had a stretched timing chain. Nothing mentioned about oil but I did just get mine done at 10K-11K miles When OLI hit 1% remaining. I have about 1.5K on the new oil. I drive about 11K per year most trips from cold start last 20 minutes about 12 miles.

The CEL started about 2 weeks ago on intermittently. Thursday I stopped in the dealer while it was on to have the code read. Since then it is on about 98% of the time. Will know later this week if a new chain fixes it.

It appears GM may be getting into something here, with timing chains. Watching for bulletins or TSB's or whatever, regarding chains will be interesting.  Why now with chains?

Bob