On-Road Test Drive and Diagnostics
At 5:05 in
Twin Turbo Escalade First Drive: LSXcalade Is BACK! We Take It Out For a Quick Test Drive..
What happens here
The presenter takes the Escalade for its first on-road test drive. He explicitly notes the lack of power steering and the extreme manual valve body in the transmission, which is responsible for keeping the 4L80 transmission together under high power. He continuously monitors the engine's vitals on the HP Tuners laptop, specifically pointing out the coolant temperature and air-fuel ratio. He highlights the distinct whining noise from the straight-cut gears in the transmission at low speeds, comparing it to older M22 'Rock Crusher' transmissions. He also mentions the need to adjust the shifter linkage, as it's not engaging gears as expected.
Goal: Evaluate the Escalade's performance and identify immediate issues during its first on-road test.
Tools and materials
- Cadillac Escalade Cadillac — The vehicle being test-driven
- HP Tuners Laptop HP Tuners — Real-time monitoring of engine parameters
- Straight-Cut Gears — Internal transmission components that produce a distinctive whine
What they say
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What they say
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