Chevy Vortec 5300 Common Engine Problems - 5.3L Vortec V8
https://chevytrucks.org/vortec-5300-common-engine-problems/
Apr 25, 2020 · I have a 20111500 Suburban that runs great {or a truck w/200,000 miles ,except when the temp drops below 32 degrees then the oil pressure gauge goes into a crash dive .(yes I checked and oil is full) .Then the trans stops operating. Warming engine cures oil pressure to return but , trans. becomes undrivable. LTZ model w/aluminum block 5.3l..
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