How To Replace Ignition Coil 03-12 Volvo XC90 2.5T
Difficulty: Intermediate · About 40 min · Volvo Xc90
Replace the ignition coils and spark plugs on a 2003-2012 Volvo XC90 2.5T.
Tools you will need
- Socket extensions
- Torque wrench
- T30 driver
- Spark plug socket
- 10mm socket
- Ratchet
- T25 Torx driver
Parts and supplies
- Ignition coils
- Spark plugs
Steps
- Remove the engine cover
Open the hood, remove the two T25 Torx bolts from the intake hose brackets and pull the hose aside, remove the eight T30 Torx bolts from the engine cover, twist off the oil cap, pull the cover off, then twist the oil cap back on.
- Remove the old ignition coils
Disconnect the wiring harness from each ignition coil, remove the 10mm bolt holding each one, then pull the coils out.
- Replace the spark plugs
Remove the old spark plugs with a spark plug socket and ratchet, then thread in and seat the new plugs the same way.
- Install the new ignition coils
Connect the wiring harness to each new coil, push the coils onto their spark plugs, insert the 10mm bolt into each one, then torque them to about 7-8 ft-lb.
- Reinstall the engine cover
Twist off the oil cap, set the cover into place and latch it down, twist the cap back on, insert the eight T30 bolts, move the intake hose back into place, then insert its two T25 bolts.
Check your vehicle’s repair manual for exact specifications and fit.