is oil supposed to go through this tube? my 2007 acadia has oil in this tube

Yes it’s part of the pcv system google it. Just relieves pressure from the crank case. Blow it out with an air hose or clean it with soap and water if not damaged and just blow thru it. I cleaned this hose and the intake breather and throttle body every 20k or so and never had any gasket issues with our Acadia

is oil supposed to go through this tube? my 2007 acadia has oil in this tube

No but it's a design problem with the Acadia and outlooks

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⚙️ Keep your GM running like new with genuine precision tubing!

LIGHTWEIGHT YET DURABLE - Weighing only 0.28g, crafted from high-quality PCV material for long-lasting use.
PROUDLY MADE IN THE USA - Support quality and craftsmanship with a product manufactured domestically.
AUTHENTIC GM ORIGINAL EQUIPMENT - Tested to meet strict GM OE standards for guaranteed reliability and performance.
PRECISION ENGINEERED FOR GM VEHICLES - Specifically designed to fit Chevrolet, Buick, GMC, and Cadillac models flawlessly.
COMPACT DIMENSIONS FOR EASY INSTALLATION - Measuring just 7.6 x 1.1 inches, it fits seamlessly without hassle.

The ACDelco 12594578 PCV Valve Tubing is a genuine GM part designed for Chevrolet, Buick, GMC, and Cadillac vehicles. Made in the USA from durable PCV material, it meets original equipment standards to ensure a perfect fit and reliable engine performance. Compact and lightweight, this tubing is essential for maintaining your vehicle’s emission control system with trusted quality.

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Brand	GM
Model Number	12594578
Product Dimensions	19.3 x 10.16 x 2.79 cm; 0.28 g
Color	ブラック
Material	pcv
Included Components	PCVバルブチューブ
Are Batteries Included	No
Item Weight	0.28 g

ACDelco 12594578 PCV Valve Tubing

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