No such thing as a 2002 Diplomat or a four-wheel-drive. Which car and year do you have, and most importantly, for engine-related information, specify which engine you have.
caradiodoc
Mar 27, 2010 at 6:48 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.