Snap-on Vehicle Tools for sale | Shop with Afterpay | eBay- long snap ring pliers tool for transmission repair cost vehicle ,Snap-on Car and Truck Tools One of the easiest ways to protect your car is by performing your own maintenance. Vehicle parts and automotive supplies are expensive enough; there's no reason to add labour costs when you don't have to. Snap-on tool sets make it easier to do your own work no matter what vehicle you own. ...Transmission (inc. "Snap Ring" failure)The snap ring is a very thin metal ring (pictured at right held between thumb and index finger) which holds the countershaft from moving in the transmission case. Since the transmission gears are not straight cut, when the main shaft gets power from the engine the cut in the gears makes the shafts want to move back and forth in relation to each other.