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Recommended Oil for CX-7

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Old Feb 9, 2007 | 02:22 PM
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Default Recommended Oil for CX-7
Anyone talked to Mazda about the recommended engine oil for the CX-7 ? Heard any comments about synthetics ?
Thanks.
 
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Old Feb 14, 2007 | 12:25 AM
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Default RE: Recommended Oil for CX-7
the manual says its 5W30.. Not sure about synthetics though, there is a thread regarding using synthetics in another CX7 forum www.mycx7.com
 
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Old May 23, 2012 | 12:32 PM
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I think they want you to use 0w-20 in the 2012 2.5 L
 
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Old Oct 27, 2015 | 12:31 PM
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No synthetic oil for the 2007 cx 7. If you use synthetic in the 2007 model it will damage the bearings in the turbo. use 5w30
 
Last edited by virgin1; Oct 28, 2015 at 12:36 PM.
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Old Oct 28, 2015 | 12:38 PM
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Best advice, IMO, is to not second guess the engine builders. Use what the manual says and change it religiously. They designed and built the engine and chose its components. They know best.
 
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Old Oct 29, 2015 | 07:33 AM
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What engine do you have?

2.3 Turbo Petrol?
2.5 non turbo Petrol?
2.2 Turbo Diesel?
 
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Old Oct 29, 2015 | 10:44 AM
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If Jacobske is in the U.S, only one engine was available for the CX-7, the 244hp (IIRC?) 2.3L turbo, petrol/gasoline.
 
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Old Oct 30, 2015 | 03:00 PM
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Originally Posted by automaster
No synthetic oil for the 2007 cx 7. If you use synthetic in the 2007 model it will damage the bearings in the turbo. use 5w30
i would like to see this in ANY mazda service/owners manual. synthetic oil is WAAAY better for turbos than conventional.
 
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Old Mar 22, 2016 | 09:20 AM
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And full synthetics do not break down like petroleum based lubricants.
 
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Old Mar 22, 2016 | 11:38 AM
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Originally Posted by fixit
And full synthetics do not break down like petroleum based lubricants.
So you prefer full synthetics?
 
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