Legacy Outback VDC Wagon AWD F6-3.0L (2001)
Timing Chain Tensioner: Technical Service Bulletins
Engine - Noise From Timing Cover Area
SOURCE: Subaru Tech Tips
TITLE: Engine Noise - All H6 Vehicles
APPLIES TO: All 6 cylinder vehicles except SVX
SERVICE TIP:
If you encounter an H6 engine with a noise coming from the front timing chain area and suspect it might be caused by the timing chain tensioner, please
follow the instructions below. SOA has tried this procedure and found it to be an effective fix.
Repair Procedure:
1) Start the Engine
2) Raise engine RPM's under cold condition, up to 5000rpm 3 to 4 times.
3) Confirm whether the noise is eliminated.
4) If the noise still exists, repeat above procedure again.
If you cannot eliminate the noise with above procedure, replace Chain Tensioner.