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Home >> Audi >> 2015 >> Q7 TDI Premium Plus >> Repair and Diagnosis >> Engine Performance >> Ignition System >> 3.0L - Ignition/Glow Plug System - Engine Code: CNRB >> 28 Ignition/Glow Plug System >> Removal And Installation >> Glow Plugs >> Removing

Glow Plugs: Removing

-- Turn off the ignition.

-- Remove the engine cover. Refer to ENGINE COVER .

-- Disconnect glow plug connectors from glow plugs.

-- 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 glow plugs using Hinged Socket3220.

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