What is an Opda on a Jeep?
What is an Opda on a Jeep? The Crown Automotive Oil Pump Drive Assembly (OPDA) for the TJ Wrangler replaces the factory unit which was designed with two oil impregnated bronze bushings separated by an oil seal. The upper bushing is cut off from lubrication by that seal, resulting in premature failure. What causes a worn oil pump drive assembly? An oil channel was also added to the shaft to increase overall lubrication to the area. A worn oil pump drive assembly will show symptoms, such as a check engine light or a squeaking noise coming from the oil pump...