Gas would not shut off on jenn aire cooktop Victor H. • Slippery Rock, PA • November 23, 2014 Appliance: Maytag 48" Gas Built-in Downdraft Cooktop JGD8348CDP16 My Repair & Advice Removed burners, grates, removed cook top,took screws out from raised trim and wells for burners. Removed electric connection for burner igniters and took gas connection off of valve that goes to burners. Took out screw that holds in gas valve in gas manifold. Replaced gas connections to burners on new valves, installed new valves and trim . Was this review helpful to you?