http://www.focushacks.com/images/pcv.jpg Here's a picture to locate it.. So, when looking at the engine from above, on the right of the exhaust. Now, how to remove this, is another question.
SPI engine: 4.0 Quarts (3.78L) Zetec engine: 4.5 Quarts (4.25L) Ford recommends SAE 5W-20 oil for both.
Yes, it is a interference engine. If your belt slips or breaks you will bend valves and smack your pistons
According to the 2002 Ford Focus Owner Guide : For the 2.0 litre SPI engine and the 2.0 litre Zetec-E engine : ( 5W-20 )
According to the 2002 Ford Escape Owner Guide : With engine oil filter change : The 2.0 liter Zetec four cylinder engine takes ( 4.5 U.S. quarts of 5W-20 ) The 3.0 , Duratec V6 , takes ( 5.5 quarts , 5W-20 )
5w-20
According to the 2002 Ford Focus Owner Guide : With engine oil filter change : The 2.0 liter SPI engine takes ( 4.0 U.S. quarts of 5W-20 ) The 2.0 , Zetec- E engine ( 4.5 quarts )
According to the 2002 Ford Focus Owner Guide : With engine oil filter change : The 2.0 litre SPI engine takes ( 3.78 litres / 4.0 U.S. quarts of 5W-20 ) The 2.0 litre Zetec engine takes ( 4.25 litres / 4.5 U.S. quarts of 5W-20 )
5W-20 , according to the Owner Guide =========================================================== Just adding to the answer : With engine oil filter change the 2.0 liter Zetec four cylinder engine in a 2004 Ford Escape takes ( 4.5 U.S. quarts ) * 5W-20 as mentioned above
According to the 2003 Ford Escort Owner Guide : With engine oil filter change : The 2.0 liter DOHC , Zetec engine takes : ( 4.5 U.S. quarts of 5W-20 )
According to the 2003 Ford Focus Owner Guide : With engine oil filter change : The 2.0 litre SPI engine takes ( 3.78 litres / 4.0 U.S. quarts of 5W-20 ) The 2.0 litre Zetec - E engine takes ( 4.25 litres / 4.5 U.S. quarts of 5W-20 )
According to the 2002 Ford Focus Owner Guide : With engine oil filter change : The 2.0 litre SPI engine takes ( 3.78 litres / 4.0 U.S. quarts of 5W-20 ) The 2.0 litre Zetec engine takes ( 4.25 litres / 4.5 U.S. quarts of 5W-20 )