How to Replace Spark Plugs 14-19 Audi SQ5
Difficulty: Intermediate · About 65 min · Audi Sq5
Replace the spark plugs, including removing the ignition coils and air filter housing, on a 2014-2019 Audi SQ5.
Tools you will need
- Socket extensions
- Flat blade screwdriver
- T20 driver
- Pry bar
- 5/8 inch spark plug socket
- 10mm socket
- Ratchet
Parts and supplies
- Spark plugs
Steps
- Loosen the coolant reservoir
With the car cooled down, twist off the cap to release pressure and twist it back on, unclip the hose with a flat blade screwdriver and remove it from the reservoir, remove its two 10mm nuts, then lift it off its mounts.
- Remove the driver-side ignition coils
Remove the two T20 Torx bolts, gently press the tab and lift the coil harness off with a flat blade screwdriver, disconnect the harnesses, then lift each coil out.
- Service the driver-side spark plugs
Remove each one with a 5/8-inch spark plug socket, then insert the new plug into the socket, tighten it by hand with a socket extension, and torque it to about 22 ft-lb.
- Install the driver-side ignition coils
Insert each coil into place, connect the harnesses together, then tighten the two T20 Torx bolts.
- Reinstall the coolant reservoir
Lift it onto its mounts, press the hose on and lock it with its clip, then tighten its two 10mm bolts.
- Remove the air filter housing
Unclip the air intake hose's clips, pop the tabs separating the air duct from the housing, lift it off its rubber mounts, press the ridges to disconnect its hose, then remove the housing.
- Remove the passenger-side ignition coils
Remove the two T20 Torx bolts, gently press the tab and lift the coil harness off, disconnect the harnesses, then lift each coil out.
- Service the passenger-side spark plugs
Remove each one with the 5/8-inch spark plug socket, then insert the new plug, tighten it by hand with a socket extension, and torque it to about 22 ft-lb.
- Install the passenger-side ignition coils
Insert each coil, connect the harnesses, then tighten the two T20 Torx bolts.
- Reinstall the air filter housing
Connect the hose to the housing, set it on its rubber mounts, connect the air duct, then clip the air intake hose's clips back on.
Check your vehicle’s repair manual for exact specifications and fit.