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Nissan Xterra Transfer Case Problems

by Anthony Faccenda

The Nissan Xterra, a mid-size sport utility vehicle (SUV) available in rear-wheel and four-wheel drive, was introduced in 2000. Edmunds.com contends the Xterra is one of the best off-road-capable SUVs on the market. The Xterra though, is sometimes hindered by manual transfer case problems.

Transfer Case

The Xterra's four-wheel drive system works because of its manual transfer case, which provides transmission torque to the front and rear axles. Manual transfer cases differs from independent or chain-carried models in that the manual version has a Lock, Unlock or Free lever to engage or disengage four-wheel drive.

Problem

Nissan technical service bulletins (TSBs) indicate that multiple 2000 to 2007 Xterra models suffer from manual transfer case problems. The primary issue is manual transfer case leakage, which may represent seal damage or lack of maintenance. One indicator of possible leakage is transfer case bearing noise.

Solution

TSBs state that manual transfer case leakage does not require transfer case or transfer control unit replacement. The main culprit of the leak is faulty manual transfer case bolts located in the rear of the transfer case. Repairing the leak may consist of tightening or replacing one or more bolts.

About the Author

Anthony Faccenda has been writing entertainment-related articles since 2009. He has written concert reviews for "The Noise Boston" and press reviews for "Revitalize the Scene." Faccenda holds a Bachelor of Arts degree in history from Rhode Island College. He is a member of the National Honors Society for history.

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