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What is the ring on top of cylinders?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by foampile, Jul 5, 2015.

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Jul 5, 2015 at 9:59 AM

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foampile [OP] Well-Known Member

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Not really a physical ring, more like a ring like belt around the top of each cylinder, about 1/4" wide. What does it do and should I clean the crud that's collected on it with sand paper now that I have the heads lifted?

foampile, Jul 5, 2015

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Jul 5, 2015 at 10:19 AM

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Usethe2nd Well-Known Member

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Welded metal

That's where the piston reaches full extension, the ring you see is simply where the piston rings themselves do not slide against the cylinder wall.

Don't scuff anything in there with sand paper. Grab some break clean and a towel and it'll come off, I'd leave it though.

Usethe2nd, Jul 5, 2015

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foampile[OP], Torspd and Lucario Runner like this.

Jul 5, 2015 at 10:32 AM

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nd4spdbh Well-Known Member

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Cross hatching still looks good in those cylinders, your fine. Leave that top rig

nd4spdbh, Jul 5, 2015

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Jul 5, 2015 at 10:44 AM

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Torspd Tor-nication

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Clean off the oil stalagmites and all of the crystalized coolant. With brake clean, like Usethe2nd said.

Torspd, Jul 5, 2015

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Jul 5, 2015 at 10:48 AM

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crashnburn80 Vehicle Design Engineer

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If you choose to clean it, do not use any abrasive tools inside the cylinder. Cloth and cleaning solvents only.

crashnburn80, Jul 5, 2015

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Jul 5, 2015 at 10:51 AM

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Torspd Tor-nication

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Which brand coolant were you using?

Torspd, Jul 5, 2015

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Jul 5, 2015 at 10:51 AM

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Torspd Tor-nication

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Sub'd for next thread!

Torspd, Jul 5, 2015

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