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#4496321 - 08/23/17 06:10 PM Dealer oil change: What did they fill with?
Why Offline


Registered: 09/28/16
Posts: 30
Loc: MD, USA
Had my 2016 Silverado 5.3L in for service, and decided to let them change my oil as it was free, and I had heard that AC Delco 0w-20 was now a full synthetic where before it was a semi-syn. I was looking at the invoice and was trying to verify the fill was correct, but I can't find specs for the part number listed. The part number used for the oil is 88864004. Not going to panic if it's the older stuff, but just want to know going forward. Appreciate any help.
_________________________
2016 Silverado 5.3L PUP 5w-20 per OLM
2012 Mazda 5 2.5L PP 5w-20 1 year OCI

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#4496328 - 08/23/17 06:18 PM Re: Dealer oil change: What did they fill with? [Re: Why]
Panzerman Offline


Registered: 12/16/06
Posts: 4203
Loc: Port Orange, Florida
Dealerships I have found that you are at their mercy as far as oil. Many were putting g bulk 10w30 in everything for years regardless. Not that it was hurting anything but good luck getting a straight answer because it's likely don't worry it's under warranty at that point.
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2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack

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#4496329 - 08/23/17 06:18 PM Re: Dealer oil change: What did they fill with? [Re: Why]
Jimzz Offline


Registered: 10/03/14
Posts: 1142
Loc: NoVA
Free oil changes are usually what ever bulk 5w30 they can get.

I can't find the specs for that part number but its not cheap. So its some bulk oil I guess that meets GM spec and/or has their name on it.
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yup

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#4496335 - 08/23/17 06:29 PM Re: Dealer oil change: What did they fill with? [Re: Why]
Tech819 Offline


Registered: 02/08/15
Posts: 254
Loc: Toronto, Canada
I googled 88864004 and it comes up bulk 0w20.
_________________________
2017 Impreza Sport Hatch M1 0w20 OEM filter
2003 Corolla PP 5w30 OEM Filter
2013 Jetta 2.5 Castrol 0w40 OEM filter

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#4496339 - 08/23/17 06:31 PM Re: Dealer oil change: What did they fill with? [Re: Tech819]
TTK Offline


Registered: 10/23/07
Posts: 565
Loc: TN
Check your state laws. In many states, dealers are required to list the oil brand and specifications(e.g 5w-30 SN) of the oil they use. Most dealers don't know this law exists.
_________________________
2010 Volvo V70-3.2
Current Fill:Castrol Magnatec 5w-30
2018 Subaru Forester, 0w-20 Subaru oil
2001 Chevrolet Prism:Castrol Magnatec 5w-30


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#4496355 - 08/23/17 06:47 PM Re: Dealer oil change: What did they fill with? [Re: Tech819]
Why Offline


Registered: 09/28/16
Posts: 30
Loc: MD, USA
Originally Posted By: Tech819
I googled 88864004 and it comes up bulk 0w20.


I had gotten that far, but I figured it would specify whether the bulk oil was full or semi. Also reckoned that there would be different part numbers.
_________________________
2016 Silverado 5.3L PUP 5w-20 per OLM
2012 Mazda 5 2.5L PP 5w-20 1 year OCI

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#4496385 - 08/23/17 07:20 PM Re: Dealer oil change: What did they fill with? [Re: Why]
Nick1994 Online   content


Registered: 02/19/13
Posts: 10097
Loc: Phoenix, AZ
Service advisors probably just click on a random oil for the invoice. I highly doubt they'll be listing the exact oil used, because who knows what the tech used.
_________________________
2015 Hyundai Sonata 2.4L 79k PU 5w30 & OEM
2000 Toyota Camry 2.2L 228k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k M1 HM 10w40 & Fram Ultra

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#4496386 - 08/23/17 07:22 PM Re: Dealer oil change: What did they fill with? [Re: Nick1994]
Why Offline


Registered: 09/28/16
Posts: 30
Loc: MD, USA
Originally Posted By: Nick1994
Service advisors probably just click on a random oil for the invoice. I highly doubt they'll be listing the exact oil used, because who knows what the tech used.


Probably right about that.
_________________________
2016 Silverado 5.3L PUP 5w-20 per OLM
2012 Mazda 5 2.5L PP 5w-20 1 year OCI

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#4496434 - 08/23/17 08:16 PM Re: Dealer oil change: What did they fill with? [Re: Why]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4038
Loc: North Carolina
Originally Posted By: Why
Originally Posted By: Nick1994
Service advisors probably just click on a random oil for the invoice. I highly doubt they'll be listing the exact oil used, because who knows what the tech used.

Probably right about that.

Nope! The tech uses the oil and it is billed to the RO by the parts department. The service advisor has next to no say over the final RO - except editing comments. Techs sometimes use a ton of abbreviations or "interesting" spelling.

With regards to the oil: I'm pretty sure almost all 0W-20 oils are a blend, whether they're labeled synthetic or conventional...
_________________________
"Zed's dead baby, Zed's dead."

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#4496461 - 08/23/17 08:43 PM Re: Dealer oil change: What did they fill with? [Re: Why]
Cgreene221 Offline


Registered: 08/05/17
Posts: 9
Loc: NC
I work at a Chevrolet dealership in service.
AC Delco 0w20 is NOW full synthetic. It was a blend last year but now is full syn

We keep 3 different bulk oils.
Conventional 5w30
Dexos Full Syn 5w30
Dexos Full Syn 0w20

All A/C Delco


Edited by Cgreene221 (08/23/17 08:53 PM)

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#4496465 - 08/23/17 08:46 PM Re: Dealer oil change: What did they fill with? [Re: rooflessVW]
Cgreene221 Offline


Registered: 08/05/17
Posts: 9
Loc: NC
Originally Posted By: rooflessVW
Originally Posted By: Why
Originally Posted By: Nick1994
Service advisors probably just click on a random oil for the invoice. I highly doubt they'll be listing the exact oil used, because who knows what the tech used.

Probably right about that.

Nope! The tech uses the oil and it is billed to the RO by the parts department. The service advisor has next to no say over the final RO - except editing comments. Techs sometimes use a ton of abbreviations or "interesting" spelling.

With regards to the oil: I'm pretty sure almost all 0W-20 oils are a blend, whether they're labeled synthetic or conventional...


Correct. As a service advisor myself we create the invoice and parts looks up specs and bills the parts to the invoice. We can change labor prices on service and write comments is all. We cannot change parts prices

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#4496541 - 08/23/17 10:47 PM Re: Dealer oil change: What did they fill with? [Re: Why]
CKN Offline


Registered: 10/14/14
Posts: 3688
Loc: Utah
It will meet Dexos/specs. Guys change fluids on brand new vehicles on here. If your losing sleep you may want to consider a drain and fill of the oil only. Leave the filter.

Personally-I wouldn't even have begun to worry about what they put in......

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#4496553 - 08/23/17 11:19 PM Re: Dealer oil change: What did they fill with? [Re: Why]
dwendt44 Offline


Registered: 05/17/06
Posts: 3967
Loc: Central Wisconsin
Quote:
I googled 88864004 and it comes up bulk 0w20.


If it's got the 0W in front, it's full synthetic.
_________________________
There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.

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#4496582 - 08/24/17 01:12 AM Re: Dealer oil change: What did they fill with? [Re: Why]
FZ1 Offline


Registered: 02/07/08
Posts: 4727
Loc: Texas
Originally Posted By: Why
Had my 2016 Silverado 5.3L in for service, and decided to let them change my oil as it was free, and I had heard that AC Delco 0w-20 was now a full synthetic where before it was a semi-syn. I was looking at the invoice and was trying to verify the fill was correct, but I can't find specs for the part number listed. The part number used for the oil is 88864004. Not going to panic if it's the older stuff, but just want to know going forward. Appreciate any help.
You got the bulk oil of the month from the dealer.

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#4496617 - 08/24/17 04:35 AM Re: Dealer oil change: What did they fill with? [Re: Why]
Crispysea Offline


Registered: 04/14/17
Posts: 402
Loc: TN USA
I bought a used Ford truck from a GM dealer and it had an AC Delco filter, and probably AC Delco oil. No problems whatsoever. I'm sure your Silverado will be fine.

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