Engine Oil Leak From Front Crankshaft Seal on Isuzu Pickup

Some engines may develop an oil leak at the front of the engine, the source is commonly the front crankshaft oil seal. Our technicians tell us a revised front oil seal retainer gasket is available to correct this concern.

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Average mileage: 163,333 (90,000–200,000)
Engine affected: 2.3L 4 Cylinder
6 model years affected: 1990, 1991, 1992, 1993, more1994, 1995
10 people reported this problem
1 person shared problem details
1994 Isuzu Pickup- 2.3L 4 Cylinder
Oil does leak from the fuel pump. I replaced the fuel pump at 217k and no more oil leaking. The buildup of oil on the underside of the engine is problematic to find the actual leak source. When in doubt, change the fuel pump when you reach higher miles.
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