This is basically my fact statement minus specific names and dates:
I went into a local franchise tire center for routine maintenance about two months ago when they informed me that my radiator had a small crack and needed to be replaced immediately. The original radiator "appeared" to be working fine and was neither dropping coolant nor restricting flow. They weren't putting me on about the crack because they showed it me. I agreed to have the radiator replaced.
About a month and half later, I started having overheating problems out of the blue with no warning. One day, the engine shot up all the way to the top of the heat meter within a few minutes on the freeway. I was able to pull over and was towed back to my house. The radiator was empty and I refilled it. By morning, it was completely empty, so I had the car towed to the shop where the radiator had been installed. They examined the car and said that a heater hose had blown, which needed to be replaced. They replaced the heater hose and the car ran somewhat normally for about two days until the radiator drained again, this time luckily while it was parked in front of my house. The engine now would not even start. I had it towed back to the shop again.
This time they informed me that the head gasket had blown and would need to be replaced, but that was not work they were equipped to perform. I had the car then towed to another shop to perform the work. The mechanics at the other shop stated that the gasket was blown and that coolant had leaked into the oil, which had in turn leaked into the crankshaft causing the heads to knock. This would require an engine replacement. I check around to make sure this was the case and other shops agreed. The owner of the shop also noted that the radiator that had been installed initially was defective and the interior had collapsed causing restricting to the engine, which caused the engine to be destroyed.
The shop that installed the initial radiator did not notice the defect when my car was there for several days on and off over the course of the past three or so weeks. The new engine, towing fees, and rental fees, not including lost wages and the cost of the original work, totaled around $5,000. This is what I am seeking to recover. I suppose I will begin by complaining to the California Bureau of Automotive Repair and see if that gets the shop to the bargaining table.