Some quick and easy places to look for oil leaks

1) under the oil filter tower - requires 4x O-rings to reseal, and usually causes deterioration of the heater hose return line, which can rupture and lose your coolant, causing an overheat.

2) Oil Cooler (front mount) - you didn't state whether yours is a GSL or SE, but the front mount coolers often have problems with broken line bungs, resulting in oil leaks under the left side of the oil cooler.

3) Oil Cooler Lines - again for front-mount oil cooler cars, the lines can get old and crack internally, causing the cloth fabric covering to get oil soaked and leak - fix soon, or you're risking decreased oil pressure and overheating.

4) Oil Pan gasket - along the bottom of the engine, the oil pan is sealed using a 3mm bead of gasketseal, and then bolts are torqued down to 14 ft/lbs - very light torque. This can lead to oil pan leaks and will be evident through gritty oil residue on the pan and transmission bell housing.

5) if you have a lot of oil leaking from the transmission bell housing (front edge or starter mount), you may have the dreaded 'tension bolt leak' which is caused by the O-ring at the head of each of 18-20 tension bolts that sandwich the engine sections. These leak into the space occupied by the clutch and transmission front cover, resulting in a slipping clutch and oil leak from what appears to be the transmission.

Another common oil leak spot is the oil metering pump. It's located on the right side of the engine down low in front of the exhaust manifold. The lines get brittle and sometimes break and the seals inside the pump dry and leak as well. A rebuild is cheap and easy.

Oil pan gasket pretty common, as well as the oil injection tubes. Oil cooler lines usually begin to seep around 100,000, and will either get a little worse, or break. The crush washers on the banjo fitting on the rear housing oil cooler line will also leak. The cheapest, easiest fix is the oil filter stand o-rings, located below the oil filter. Very common, and if they've not been done, likely are leaking now. If the upper front rotor housing is oily, the internal o-rings around the tubular dowels are bad. This is not an easy fix. The engine must be removed in order to repair. The oil coolers are not prone to leak on that year model.

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