How to Replace Serpentine Belt 04-07 Subaru Impreza WRX
Difficulty: Intermediate · About 45 min · Subaru Impreza Wrx
Replace the serpentine belt on a 2004-2007 Subaru Impreza WRX.
Tools you will need
- 12mm socket
- Socket extensions
- Rust penetrant
- 10mm socket
- Ratchet
- Wire brush
- Brake parts cleaner
Parts and supplies
- Serpentine belt
Steps
- Remove the engine cover
Remove its 10mm bolts and unclip it, then free the wires from the cover's retaining clip.
- Remove the old belt
Loosen the alternator's three 12mm bolts, push the alternator down, then remove the belt.
- Install the new belt
Clean the pulley with a wire brush, loop the belt around the crankshaft pulley, the power steering pump pulley and the alternator, pull the alternator up, then tighten its 12mm bolts and torque them to about 16 ft-lb.
- Reinstall the engine cover
Clip the wires back onto the cover, clip the cover on, then tighten its 10mm bolts.
Check your vehicle’s repair manual for exact specifications and fit.