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Reload this Page Don't over-tighten drain plugs
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Old 06-16-2014, 09:45 AM
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Default Don't over-tighten drain plugs
Classic error...the gorilla who installed this oil drain plug extruded the aluminum sealing ring, the result being a slow leak. This is a car, but the same principle applies to various seal rings on your Lycoming.

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Last edited by DanH : 06-16-2014 at 09:49 AM.
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Old 06-16-2014, 10:44 AM
dealfair dealfair is offline
 
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Default RIGHT!!!
Ditto Dan. I've been down that road with autos and is the very reason I do my own oil changes!!!
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Old 06-17-2014, 07:45 AM
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Default Oil change
Quote:
Originally Posted by dealfair View Post
Ditto Dan. I've been down that road with autos and is the very reason I do my own oil changes!!!
+1
No one touches my vehicles unless it's beyond my capabilities. That hasn't happened yet.
The exception is warranty and recall work.
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Last edited by wirejock : 06-17-2014 at 07:47 AM. Reason: add text
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Old 06-17-2014, 09:36 AM
rightrudder rightrudder is offline
 
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Default
Nasty. I'd bet the same shop torques the wheel lug nuts to 300 ft-lb with an impact gun when the spec calls for 95. I won't let a dealer, or even an independent mechanic near my car.
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Old 06-17-2014, 09:53 AM
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On Ex-Wife's car, I found the drain plug CROSS THREADED the first time I changed the oil. Fortunately Toyota was smart enough to make the thread in the pan harder than the plug. New plug worked fine without needing to re-tap or replace the hole in the pan.
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