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#982237 - 09/05/07 05:59 PM Cadillac cts oil recommendations
fscarano Offline


Registered: 04/25/06
Posts: 45
Loc: Gaithersburg, MD
I have 2004 Cadillac cts 3.6L V6 71k any oil recommendations? The filler cap is marked with Mobile1 5w-30. I purchased the vehicle used I so have no way of knowing what ‘synthetic or conventional” oil used prior to. I am not sold on mobile1 the owners manual just states the GM oil standard and that synthetic is not mandatory.

Thanks in advanced

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#982238 - 09/05/07 06:55 PM Re: Cadillac cts oil recommendations [Re: fscarano]
JohnBrowning Offline


Registered: 05/01/03
Posts: 9448
Loc: USA
Well, M1 5W30 would work well in it but so will othr's. Do you have prefference to dino or synthetic? Do you have a preference for any given viscosity? What type of OCI are you looking for?PP would work good as well. I think I would run M1 0W40 in it year round with twice a year oil changes.

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#982239 - 09/05/07 11:20 PM Re: Cadillac cts oil recommendations [Re: JohnBrowning]
OilGuy Offline


Registered: 08/22/07
Posts: 396
Loc: USA
Cadillac requires a GM4718M approved oil and the owners manual states that not all "syn" oils meet this spec.

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#982240 - 09/06/07 12:48 AM Re: Cadillac cts oil recommendations [Re: OilGuy]
JohnBrowning Offline


Registered: 05/01/03
Posts: 9448
Loc: USA
It is a 2004 so warranty is probably out the window by now. On top of that you have no idea what the previous owner ran for all we know it was a lease turn in and the previous owner took it to Jiffy Lube once a year if it needed it or not! GM4718M is not a very tough spec to meet even if an oil has not paid to be tested to meet that spec.! I am preety sure Amsoil,Redline,Motul,Penrite,Fuch's, Synergen and a lot of other top notch oils have not paid or tested to meet those spec.'s! I also did not think that the V6 had to meet that I thought it was only the CTS-V!M1 0W40 is the best oil that M1 has on market as long as the vechile in question does not need an oil with super high hths. So anything that GM recomends M1 5W30 for M1 0W40 will do even better in.

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#982241 - 09/06/07 01:02 AM Re: Cadillac cts oil recommendations [Re: JohnBrowning]
mitchcoyote Offline


Registered: 11/25/06
Posts: 454
Loc: Tomball, Texas
I asked my daughter and she says M1 5w-30
_________________________
1996 Chevrolet 3/4 ton P/U

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#982242 - 09/06/07 05:25 AM Re: Cadillac cts oil recommendations [Re: fscarano]
Merkava_4 Offline


Registered: 01/30/07
Posts: 9384
Loc: Clovis, CA
From Amsoil's site:

2004 CADILLAC CTS 3.6L 6-cyl Engine Code 7

FILTERS
Oil Filter......... 57090 WIX 57090 Oil Filter (S)
Air Filter......... 46653 WIX 46653 Air Filter (O)
Fuel Filter....... NA
Trans Filter..... NA
Cabin Filter..... 24869 WIX 24869 Cabin Air Filter (0)


NGK PLUGS & WIRE SETS
Wire Set.......... WIRESET N/R N/R [1]

1.No Wires Req'd

TRICO WIPER BLADES
Blade Class Driver Passenger Rear
NEOFORM T16220 T16210
EXACTFIT T221 T211
WINTER T37225 T37210
OKTANE 22 inch 20 inch


LUBRICANTS & FLUIDS
Engine Oil
Grade 1......API*[1]
Series 2000 Synthetic 0W-30 Motor Oil
SAE 5W-30 Synthetic Motor Oil
SAE 5W-30 XL Synthetic Motor Oil
Above 0°F......10W-30[2]
Below 61°F......5W-30[2]
Manual Transmission,M35.....AF3
Synthetic Automatic Transmission Fluid
Torque-Drive™ Synthetic Automatic Transmission Fluid (ATD)
Manual Transmission,Tremec 6-Speed.....AF3
Synthetic Automatic Transmission Fluid
Torque-Drive™ Synthetic Automatic Transmission Fluid (ATD)
Automatic Transmission.....AF6
Synthetic Automatic Transmission Fluid
Standard Differential, Rear .....GL-5[3]
All Temps......75W-90
Severe Gear 75W-90
Controlled Slip Differential, Rear .....GL-5*[3][4]
All Temps......75W-90
Severe Gear 75W-90
Fluids
Power Steering Fluid.....PS
Brake Fluid.....HB
Clutch Fluid.....HB

1. Must use synthetic engine oil.
2. 5W-30 is preferred.
3. Synthetic lubricant, GM part no. 12378261, specification
No. 9986115.
4. With complete drain/refill add 4 oz part no. 1052358

CHASSIS LUBRICATION
0 Fittings, 0 Plugs


CAPACITIES
Engine, with filter..........6.0 quarts
Cooling System, Initial Fill..........10.0 quarts
AMSOIL Antifreeze and Engine Coolant
Automatic Transmission, 5L40E Initial Fill..........6.4 quarts[1]
Automatic Transmission, Total Fill
5 speed 5L40E..........9.0 quarts
Manual Transmission, M35..........2.7 pints
Manual Transmission, Tremec 6-Speed..........7.4 pints
Differential, Rear..........2.7 pints

1. Replace drain plug W/ new drain plug after each removal.

TORQUES
Oil Drain Plug.....18 ft-lbs
Manual Transmission M35
Fill Plug.....26 ft-lbs
Drain Plug.....26 ft-lbs
Manual Transmission 6-Speed
Fill Plug.....20 ft-lbs
Drain Plug.....20 ft-lbs

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#982243 - 09/06/07 05:59 AM Re: Cadillac cts oil recommendations [Re: fscarano]
Merkava_4 Offline


Registered: 01/30/07
Posts: 9384
Loc: Clovis, CA
Quote:

1. Replace drain plug W/ new drain plug after each removal.





Why the whole drain plug and not just the seal?

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#982244 - 09/11/07 05:47 AM Re: Cadillac cts oil recommendations [Re: Merkava_4]
AndyH Offline


Registered: 11/07/04
Posts: 2493
Loc: MSP 'burbs, MN
Quote:

Quote:

1. Replace drain plug W/ new drain plug after each removal.





Why the whole drain plug and not just the seal?



That footnote is for the automatic transmission, not the engine sump.
_________________________
'13 VW Golf R: Castrol Syntec 0W-30
'13 VW GTI: OEM Factory Fill
'05 Audi S4 Avant: Mobil 1 0W-40

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