Rear main keeps failing
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Joined: Sep 2025
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Rear main keeps failing
2020 Silverado 5.3
Rear main and oil pan were leaking, so i replaced the entire rear main plate assembly as well as resealed the oil pan.Everything was installed and everything torqued to spec. vehicle came back a month later, leaking from the rear main again. Just installed another rear main plate assembly and parts warrantied the old one. 30 mins down the road rear main leaking again. Any idea what would cause it to repeatedly fail in such short amount of time? Is there anything specific required when installing the plate or just bolt it up?
Rear main and oil pan were leaking, so i replaced the entire rear main plate assembly as well as resealed the oil pan.Everything was installed and everything torqued to spec. vehicle came back a month later, leaking from the rear main again. Just installed another rear main plate assembly and parts warrantied the old one. 30 mins down the road rear main leaking again. Any idea what would cause it to repeatedly fail in such short amount of time? Is there anything specific required when installing the plate or just bolt it up?
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