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Old 02-07-2008, 05:07 PM   #1 (permalink)
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My OCV has gone up in my 2004 Mazda6. The dealer told me it would be $650 parts and labor to replace the OCV, but the part was on national backorder. So I paid for the part and a week later they tell me the part arrived so I setup an appointment.

Well I get a call the next day that the part was upgraded and it is now an assembly of parts (2 OCV and timing guides). I now need to get both OCV valves replaced and the timing guides. My price is now $2,314.00 to replace. Called Mazda and they tell me that since I have 85,000 miles on my car that they can't do anything for me. She said that 85,000 miles is a lot on a car, but I told her that it wasn't a lot for a good car. Seems to me that if the part needed to be upgraded that there was a problem with the original part . Apparently they don't even make the original OCV and it is sold out worldwide. I tried junk yards, etc., but no luck. Any suggestions?
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Old 02-08-2008, 02:02 PM   #2 (permalink)
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Could you explain what an OCV is, and maybe why you need a new one? What happens when an OCV goes up?
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Old 02-08-2008, 02:22 PM   #3 (permalink)
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My OCV has gone up in my 2004 Mazda6. The dealer told me it would be $650 parts and labor to replace the OCV, but the part was on national backorder. So I paid for the part and a week later they tell me the part arrived so I setup an appointment.

Well I get a call the next day that the part was upgraded and it is now an assembly of parts (2 OCV and timing guides). I now need to get both OCV valves replaced and the timing guides. My price is now $2,314.00 to replace. Called Mazda and they tell me that since I have 85,000 miles on my car that they can't do anything for me. She said that 85,000 miles is a lot on a car, but I told her that it wasn't a lot for a good car. Seems to me that if the part needed to be upgraded that there was a problem with the original part . Apparently they don't even make the original OCV and it is sold out worldwide. I tried junk yards, etc., but no luck. Any suggestions?[/b]

I work for Mazda and am very curious as to what an OCV is and what it does?I would be happy to help direct you as to what you should do,but I need a little more information.
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Old 02-08-2008, 02:25 PM   #4 (permalink)
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Could you explain what an OCV is, and maybe why you need a new one? What happens when an OCV goes up?[/b]
Pulled this from Mazda6Tech...


Mazda uses a static camshaft, however the shaft is attached to a cog that can advance or retard its rotation. The valves can open sooner or later, but never longer, faster, or higher. The cog is controlled by a precision oil pump, called the oil control valve (OCV). The car's computer tells the OCV how much to advance or retard the intake timing based on a number of input parameters, such as pedal pressure, engine temp, and more.
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Old 02-08-2008, 02:28 PM   #5 (permalink)
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So you need the VVT controller assy?PM me your VIN.And I will look into it for you on parts availibility.
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Old 02-08-2008, 02:35 PM   #6 (permalink)
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So you need the VVT controller assy?PM me your VIN.And I will look into it for you on parts availibility.[/b]

PM sent.
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