You have come this far so you should consider changing the water pump. Probably not needed at the 90,000 miles but you should probably replace by second timing belt interval. (180,000 miles)
|
Inlet housing Assembly. Note O-Ring
Inlet housing Assembly removed.
Waterpump Removed. Next Image is new waterpump installed.
Carefully clean with a single edge razor blade. The
groove can be cleaned with a zip-tie cut in half to
produce a plastic square scraper approximately the
same size as groove.
RTV applied as directed with tip cut to 0.1 inch. This
must be reassembled within 5 minutes or you have to
start over. RTV takes 24 hours to cure fully