Don't Let High Temps KILL Your 10L80 Transmission or Valve Body

Описание: The 3.0 Duramax with the 10-speed 10L80 transmission is known for running hot — dangerously hot. In this video, I tear down the factory GM transmission bypass valve to show how it restricts cooler flow with a thermostat-style wax pellet. Then I compare it to the PPE full-flow bypass valve that completely removes this restriction — and helped drop my trans temps by up to 75°F.

I also take a first look at the drop-in "barbell" valve that installs into the factory housing to improve flow without completely deleting the thermostat. I’ll be testing that setup in an upcoming video.

We’ll talk Dexron ULV fluid, the risks of running too hot (or too cold), and how excess heat may be contributing to the 10L80’s known valve body issues.
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Banks iDash Super Gauge - 66562 (piggyback kit to datamonster)
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