Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Perform the work with the engine installed to body when replacing a single part.
1) Remove the V-belts.
2) Remove the crank pulley.
3) Remove the timing belt cover.
4) Remove the timing belt guide. (MT model)
5) If the alignment mark or arrow mark (which indicates the direction of rotation) on timing belt fade away, put new marks before removing the
timing belt as shown in procedures below.
(1) Turn the crankshaft using ST, and align the alignment marks on crank sprocket, intake cam sprocket (LH), exhaust cam sprocket (LH), intake
cam sprocket (RH) and exhaust cam sprocket (RH) with notches of timing belt cover and cylinder block.
ST 499987500 CRANKSHAFT SOCKET
