In a message dated 7/13/2004 1:18:02 PM Eastern Standard Time, ask...@microlink.zm writes: Smog pump is the reference to a small belt driven air pump that was used in the 70s and 80s cars to inject fresh air into the exhaust ahead of the catalytic converter My old ford truck (1985 Diesel) uses a belt driven vacuum pump to operate the power brakes and heater/ac controls, as there is almost zero vacuum with a diesel engine. I replaced it a couple of years ago, about $70.00 from auto zone. the first one lasted over 300,000 miles. Seems like it weighed about 2 lbs. , and is a diaphragm type pump. Might be worth looking into.
Riley Collins Rutledge, TN
