Tag Archives: engine

January Repair of the Month Acadia Engine Replacement

January Repair of the Month Acadia Engine Replacement

GMC Acadia, Crank But No Start.  Here we have a GMC Acadia with a crank but no start condition. No matter how long you try to crank the engine, the most you may get is a sputter if you're lucky. After running a few diagnostic tests, our technician Jay was able to prove that the SUV has spark and fuel, which leaves only one thing left to test for, compression. After compression testing the cylinders and also adding compressed air into the spark plug holes, (also known as a cylinder leak down test) he was able to confirm that the engine does not have good compression and is also leaking air into the intake and exhaust manifolds. Digging a little deeper proves the engine is out of time, this is a very common issue with these engines as the timing chain stretches and the guides wear down past the point the tensioner can keep the engine in time. Timing in an engine simply put is the synchronization of the top half of the engine (camsh ... read more

Automotive Magic is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Automotive Magic (973) 366-3777, Magic Lube and Rubber (973) 663-4472 if you have any issues in accessing any area of our website.