Timing Belt And Sprockets: Cleaning
WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
Do Not attempt to clean a timing belt. If contamination from oil, grease, or coolants have occurred, the timing belt should be replaced.
Clean all sprockets using a suitable solvent. Clean all sprocket grooves of any debris.