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s4 and s5 motor

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Old 09-13-08, 04:52 PM
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s4 and s5 motor

Hello,

I have a new motor and I am trying to figure out if it is a s4 or s5 it has Electric Oil Metering Pump, That I know comes on the s5 but did s5 come with EGR valves because mine has a EGR valve and Electric Oil Metering Pump?

Thanks
Old 09-13-08, 05:03 PM
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No EGR on S5s. It could be an S4 with S5 front cover, or a rebuilt S5 with S4 plates[s].
Old 09-13-08, 05:33 PM
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A picture is worth a thousand words.
Old 09-13-08, 08:03 PM
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Hello,

Here are some pictures of the EGR valve and the Electric Oil Metering Pump.
Attached Thumbnails s4 and s5 motor-egr-2.jpg   s4 and s5 motor-oil-pump-1.jpg   s4 and s5 motor-oil-pump-2.jpg   s4 and s5 motor-egr-1.jpg  
Old 09-13-08, 08:22 PM
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That's an S5, it has a plastic thermostat neck.
Old 09-13-08, 08:25 PM
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agreed, S5
Old 09-14-08, 03:21 AM
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Originally Posted by 1coolmazda
Hello,

Here are some pictures of the EGR valve and the Electric Oil Metering Pump.
That's not an EGR valve, it's the air control valve (ACV).

This is what an EGR looks like (S4s only):
http://www.mazdatrix.com/B-EGR.HTM

And yeah, that's a S5 motor. The turbo is clearly S5 along with the OMP & water filler neck. I can tell it's J-spec too from the brake booster hardline on the LIM.

Last edited by RotaryRocket88; 09-14-08 at 03:23 AM.
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