Vehicle falls apart if the player who was in it dies. Why?

For some strange reason, in the turret I made, if a player gets in it, he/she is given a control tool for that turret, then if he/she gets out the turret control tool is removed. I don't know if that's part of the problem, but after he/she gets out, and dies somehow, the turret falls apart as if destroyed. I don't want that to happen, and I don't know how to fix it, help? Here's the scrip for it:

function onChildAdded(part)
if part.className == "Weld" then
	local torso = part.Part1
	if torso ~= nil then
		local parent = torso.Parent
		if parent ~= nil then
			local player = game.Players:findFirstChild(parent.Name)
			local turret = script.Parent.Parent.Parent.Parent
			turret.Parent = parent
			local tool = script.Turret:Clone()
			tool.Parent = player.Backpack
			script.Parent.Sound:play()
		end
	end
end
end


function onChildRemoved(part)
local player1 = game.Players:findFirstChild(script.Parent.Parent.Parent.Parent.Parent.Name)
player1.Backpack.Turret:remove()
script.Parent.Sound:stop()
end

script.Parent.ChildRemoved:connect(onChildRemoved)
script.Parent.ChildAdded:connect(onChildAdded)