Originally Posted by chefwong

Ike....if you're mechanically inclined, why don't you just open it up to verify if you have sludge or not.

Moreso, are you the original owner or is this is used. Maint. records ?

The ONLY product I would recommend is www.auto-rx.com but beforeso, I would probably lean on opening it up myself to see how dirty it is.....or decide yourself based on past service maintainence.