Cadillac CTS First Generation Forum - 2003 - 2007 Forum for discussions regarding the Sigma-based Cadillac CTS.
 | Cadillac Forums: 3.6L Oil Change Pictoral 
08-06-08, 01:55 PM
|  | Cadillac Owners Member Cadillac(s): 2008 CTS 3.6L VVT 6 speed manual | | | | | Re: 3.6L Oil Change Pictoral Now I know GM puts mobil 1 from the factory.. and they say to use synthetic.. but if I choose to say use Castrol GTX for oil changes... Im not voiding the warrantee.. am I?? GTX has worked fine for me for decades.... | 
08-06-08, 04:52 PM
|  | Cadillac Owners Enthusiast Cadillac(s): 2009 CTS4 Blue Diamond | | Join Date: May 2005 Location: Michigan-Lake Superior | | | Re: 3.6L Oil Change Pictoral Yes you would have warranty problems if you used that oil, its not good enough. You must use synthetic oil.
I don't think any of that brand meet the GM spec's. The GTX for sure doesn't because its not synthetic. I don't see Syntec list that spec on the data sheet either. Oils that meet the GM4718M spec will list it on the bottle.
From the owners manual. Quote:
GM4718M
Your vehicle’s engine requires a special oil meeting
GM Standard GM4718M. Oils meeting this
standard may be identified as synthetic. However,
not all synthetic oils will meet this GM standard.
You should look for and use only an oil that meets
GM Standard GM4718M. Notice: If you use oils that do not have the
GM4718M Standard designation, you can cause
engine damage not covered by your warranty. |
Last edited by Z71; 08-06-08 at 05:04 PM.
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08-06-08, 05:00 PM
|  | Cadillac Owners Connoisseur Cadillac(s): 03 Cadillac CTS | | Join Date: Apr 2008 Location: GTA Canada Age: 25 | | | Re: 3.6L Oil Change Pictoral Quote:
Originally Posted by Spyke I know wal-mart regular sales for a 5L of mobil 1 is 38$ + tax. They only sale 5Liters no 4.4L. I go at the dealer for my oil filter: Ac Delco PF2129F.
the car holds 5.7L of oil and for the drain plug, I do the same thing as you, I turn left the wheels so I can slip my arm throug there and take off the drain plug. No need to lift the car. For the oil filter, its on top of the engine, to his right side when stand in front of the vehicule. You can find some picture around here to see how 3.6L guys we change our oil filter.. very very easy, no mess, no drip, no burn at all! | ya i know yours is right on top...luckey. that makes it sooo much easier.
i cant believe yours holds 5.7L... thats a lotta oil.
i thought walmart was more $ than that.. ima start just buyin mine there, 1 jug will do the change 4 me. | 
08-06-08, 05:52 PM
|  | Cadillac Owners Enthusiast Cadillac(s): 2009 CTS4 Blue Diamond | | Join Date: May 2005 Location: Michigan-Lake Superior | | | Re: 3.6L Oil Change Pictoral GM4718M is General Motors' High Performance engine oil specification. Oils which meet GM4718M tend to be made from synthetic base stocks, so it is often referred to as a "synthetic" specification.
However, not all oils, synthetic or otherwise, are capable of meeting the stringent requirements of GM4718M. | 
08-07-08, 09:57 AM
|  | Cadillac Owners Member Cadillac(s): 2008 CTS 3.6L VVT 6 speed manual | | | | | Re: 3.6L Oil Change Pictoral Quote:
Originally Posted by Z71 Yes you would have warranty problems if you used that oil, its not good enough. You must use synthetic oil.
I don't think any of that brand meet the GM spec's. The GTX for sure doesn't because its not synthetic. I don't see Syntec list that spec on the data sheet either. Oils that meet the GM4718M spec will list it on the bottle.
From the owners manual. | Thank Z71 for the info... however .. practically speaking I highly doubt the GTX would not be good enough to properly lubricate the V6... but not worth taking chances...synthetic it is..... | 
09-06-08, 08:22 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | Join Date: Sep 2008 Age: 21 | | | Re: 3.6L Oil Change Pictoral This article was awesome, thanks! Just what I was looking for online. Here I am three years later in Sept 2008, and just as I am trying to do the change the first time myself on my 2004 and I found your pictorial. Mine still only has 12,500 miles on it, only driven on unsalted roads, never in snow. (It was a present to myself after a wedding was cancelled, I'm pretty fortunate and thankful that way).
Best Regards,
cam | 
09-07-08, 03:06 PM
| | Cadillac Owners Fanatic Cadillac(s): 2004 CTS Lux/Sport | | Join Date: Dec 2003 Location: Torrance Cal. Age: 72 | | | Re: 3.6L Oil Change Pictoral Quote:
Originally Posted by tmtran44 stupid question coming.... after the DIY oil change, does the computer automatically detects the new oil and change the specs to reflect the next oil change? thanks | The computer doesn't know what you put in there it could be water, all it does is keep track of the way the car is driven. Milage temp starts and stops ect You have to reset the oil life yourself. | 
10-01-08, 08:57 AM
| | Cadillac Owners Member Cadillac(s): Cadillac - '05 CTS | | Join Date: Sep 2008 Location: Flower Mound, TX Age: 51 | | | Re: 3.6L Oil Change Pictoral Excellent post, great pics, this will be a snap.
Two questions:
1) What does 'extra's' does the dealer do (I hear lube the chassis...are there many grease zerts that need serviced?)
2) Will this in any way void my 100K Bumper-to-bumper warranty my previous owner was so gracious to purchase? | 
10-01-08, 10:15 AM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: 3.6L Oil Change Pictoral I attempted last weekend and it went ok. The freakin things were on there good, but I got a torque wrench and had to jack up the right side to get the angle I needed. It was pretty clean though which was great... | 
10-01-08, 02:08 PM
| | Cadillac Owners Fanatic Cadillac(s): Cadillac | | Join Date: Sep 2008 Age: 42 | | | Re: 3.6L Oil Change Pictoral What about using a vacuum changer? Then you wouldnt even need to get under the car at all?
like these http://www.amazon.com/tag/vacuum%20o...hanging%20pump
i have a different model that sticks way down below into the oil pan, I am just wondering if I can get to the bottom of the oil pan through the dipstick tube.
Last edited by mikes2nd; 10-01-08 at 02:12 PM.
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03-16-09, 10:46 AM
| | Cadillac Owners Member Cadillac(s): Cadillac CTS | | Join Date: Mar 2009 Age: 27 | | | Re: 3.6L Oil Change Pictoral I am needing help tried to change my oil this weekend and I can not get the oil filter canister lid off. It is on there. Any ideas on how to take it off. I don't want to break the brackets hole the canister my pushing to hard.
I bought the car a week ago and now have found that the transmission is leaking from around the drive shaft. Cadillac said it would be 300.00 to replace the seals inside the housing.
But anyway can anyone help with removing this lid? | | Cadillac Discussion Tools | | |
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