This procedure can be used to check if the engine is seized. Or maybe you need to do a compression test. This method will allow you to turn the crank and check for whatever reason.
What you will need
- 27mm socket
- Ratchet wrench
- Wheel chock
- Park the Porsche and set the parking brakes.
- Block the rear and front tires with wheel chocks to prevent the vehicle from rolling.
- On Porsches with automatic transmission, you can place the transmission in Park.
On Porsches with manual transmission, place the vehicle in neutral.
- Access the front of the vehicle. Remove the plastic trim on newer models such as this Porsche Cayenne to access the crankshaft pulley. You may also need to remove all or part of the intake hose to access the crankshaft pulley.
- Place a 27mm socket on the crankshaft bolt and rotate the crankshaft clockwise.
Rotate the engine crankshaft to perform a compression test, check the timing, bring cylinder 1 to TDC, or troubleshoot a no-start problem.