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O ring hose near crank

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Old 05-11-20, 01:49 PM
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O ring hose near crank

Whats this hose and where does it go? 😊
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Old 05-11-20, 11:29 PM
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it's the return line from the oil cooler..
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Old 05-12-20, 10:48 AM
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I thought the front cover was the feed line? Not familiar with third gens, only first and second gens.
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Old 05-12-20, 11:06 AM
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From what I gather, the oil feed comes from the pedestal at the oil filter junction (rear).

This one in front I believe is the return as mentioned above.
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Old 05-12-20, 12:31 PM
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that's what i always thought, out from the rear and in thru the front.
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Old 05-12-20, 12:37 PM
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https://www.rx7club.com/1st-generati...ection-402107/

https://www.rx7club.com/1st-generati...ection-402107/
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Old 05-12-20, 11:28 PM
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awesome, thanks kc. now well all know.
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Old 05-13-20, 02:02 PM
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Why does the motor need both an Oil pressure regulator valve (in rear) and an Oil pressure control valve (in front)? What is the functional difference between these valves?
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Old 05-13-20, 02:47 PM
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Originally Posted by Maxwedge
Why does the motor need both an Oil pressure regulator valve (in rear) and an Oil pressure control valve (in front)? What is the functional difference between these valves?
The only thing I can think of is to ensure the system doesn't get over pressurized.
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