News Technical Service Bulletins

Bleeding Jeep

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Example of a dislodged cap plug.

This bulletin applies to 2016 Jeep Wrangler vehicles built on or after August 1, 2016, and on or before September 6, 2016, equipped with a 4:1 Rock-Trac HD part-time 4WD system transfer case and an automatic transmission.

The customer might experience red fluid weeping from under the vehicle. They may also describe transfer case noise while in four-wheel drive. The fix involves replacing the transfer case input gear and seal.


P/N                              PART

68087998AA..... transfer case adapter

68087995AA...... snap ring

05019020AB..... input seal

04798125.......... front output seal

03821558.......... snap ring

68087960AA..... input gear

68082860AB......Mopar RTV sealant

68218057AB.....ATF +4 (2.1 qts)

Caution: If the input gear cap plug is dislodged, out of position or loose, do not attempt to fix or reinstall the cap plug. Attempting to fix the cap plug will not correct the issue and will result in the issue reoccurring.

Remove the transfer case. 

Replace the transfer case input gear and seal. 

Install the transfer case.

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