Glow Plug, Removing And Installing: Removing

WARNING: This page is about a different car, the 2016 Audi A8 Quattro and 2015 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Turn off the ignition.

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Disconnect the connectors from the glow plugs.

-- Clean the glow plug channel so that no dirt can get into the cylinder.

-- Clean the glow plug duct in the cylinder head (contaminants must not fall into the cylinder).

NOTE:

Example for cleaning:

Extract large contaminants with a vacuum cleaner.

Spray a brake cleaner or a suitable cleaner into the glow plug shaft, let it work and then use compressed air to remove it.

Then clean the glow plug duct with a rag dampened with oil.

WARNING:

Danger of eye injury.

Wear protective eyewear.

-- Loosen the glow plugs with the special tool.

-- Then carefully remove the glow plugs by hand or with a hose without bending them.