Flush Engine with Old E85
At 1:40 in
Boosted Yukon XL "Uncle Rob" FINALLY Makes Turbo Noises!! We Finish Up Assembly & First Time Startup
What happens here
After draining the old oil, pour approximately 1 gallon of old E85 (ethanol fuel) into the engine's oil system through the turbo oil return line. This acts as a flushing agent to clean out any residual metal shavings or contaminants from the new turbo installation. Ensure the oil drain plug is re-installed before adding the E85. Use a funnel to prevent spills and direct the E85 accurately. Allow it to sit briefly, then remove the oil drain plug again to drain the E85 into the drain pan. Repeat this flushing process a second time to ensure thorough cleaning.
Goal: Clean residual contaminants from the engine's oil system.
Tools and materials
- Funnel — Directing E85 into the engine without spills
- Oil Drain Pan — Collecting flushed fluids
- Safety Glasses — Protecting eyes from splashes
- Old E85 — Flushing the engine oil system
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