1984 Jeep Wagoneer 4WD Transfer Case Troubleshooting
The Jeep Wagoneer transfer case transfers power from the transmission to the front and rear wheels. The transfer case allows the driver to shift between two- and four-wheel drive modes, and between high and low ratios. There are several models of transfer cases in Jeep Wagoneers, and most models contain close to 100 individual parts. Re-building a transfer case is not a job for the inexperienced, but if you suspect your transfer case is malfunctioning, you might be able to identify the problem before taking your Wagoneer to a professional.
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Instructions
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Difficulty Shifting Between 2H 4H and 4L
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Check the transfer case fluid level and fill up as needed.
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The transfer case could be internally worn or damaged. You should probably take it in to a professional shop for repairs.
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The transfer case may just need internal adjustments. Take it to a professional repair shop.
Transfer Case Jumps Out of Gear
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The transfer case control lever has a free play adjustment that may be allowing too much movement in the control lever.
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The control lever and console are interfering with each other. Remove the console and adjust the control lever.
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The transfer case mounts may be worn out or fatigued and need replacing.
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The transfer case may need internal adjustment. It's best to get this done at a professional repair shop.
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The transfer case may simply be worn internally. Check your odometer. If your Jeep Wagoneer is over 300,000 miles, it may be time to have the transfer case overhauled, especially if you use four-wheel drive regularly.
Noisy Transfer Case
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If your transfer case is noisy check the fluid level first. Low fluid level will increase gear noise.
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If the transfer case is noisy in 2H, 4H and 4L, the rear axle is likely defective.
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If the transfer case is noisy in 4H and 4L but not 2L, there is a problem with the front differential or front axle.
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If the transfer case is noisy in 2H and 4H but not 4L, there is internal damage or wear in the transfer case itself.
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