Jeep Cherokee (XJ): NV231 transfer case

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Description and operation NV231 transfer case DESCRIPTION The NV231 is a part-time transfer case with a low range reduction gear system. The NV231 has three operating ranges plus a Neutral position ...

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Diagnosis and testing
Engine diagnosis-introduction Engine diagnosis is helpful in determining the causes of malfunctions not detected and remedied by routine maintenance. These malfunctions may be classified as either performance (e.g., engine idles rough and stalls) or mechanical (e.g., a strange noise). Refe ...