Regarding the Cadillac Northstar

Since its introduction in the mid 90's, it was soon determined that the Cadillac Northstar engine requires "Special Attention" due to its novel cooling system design. RxAuto [Thermagasket] has developed methods to repair the Cadillac Northstar engine, backed up by hundreds of hands on repairs in the field. With this knowledge, our in-house support technicians have helped countless satisfied Cadillac customers successfully repair their own faulty Northstar cooling systems and head gaskets. You will not find a more knowledgeable staff to assist with your Northstar head gasket and cooling system problems anywhere!

CAUTION: Do not be fooled by any product claiming exceptional results with a "Special Northstar Product". The Cadillac Northstar engine cooling system generally requires more than "Just pour a bottle in and go" approach.

• Isolating leaking cylinders and running the engine without spark plugs is not required to repair your Northstar with Thermagasket. CAUTION: RUNNING THE ENGINE WITHOUT THE SPARK PLUG COULD CAUSE DAMAGE TO VALVES, VALVE   SEATS, AND/OR PISTONS!
• Thermagasket not only offers the best chance of repairing your Northstar, but also gives you access to the most effective technical support and  advanced treatment methods available!

In order to succesfully assist you with the repair of your Northstar we must first understand the symptoms & problems specific to your situation.

We are making a special commitment to help our Northstar customers by setting up a Hot Line straight to our technicians.