The four glow plugs (1) are attached to cylinder head below fuel rail.Disconnect negative battery cable.Remove fuel rail and high-pressure fuel lines.Disconnect glow plug wiring harness (2) at all four glow plugs (1).

Use a socket to loosen glow plug(s) (1), (2), (3) or (4). After loosening, attach a flexible tool such as a rubber hose to remove glow plug from cylinder head.After plug removal, do not bend, knock, or drop the glow plugs while handling (any mechanical impact may damage the glow plug).Compare the removed glow plug with a new one. If parts of the ceramic heating element are missing, remove all fragments from the combustion chamber before you start the engine. The cylinder head must be removed to gain access to this missing ceramic material.