GMC Yukon owners have reported 2 problems related to underbody shield (under the structure category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Yukon based on all problems reported for the Yukon.
Broken/leaking brake lines due to severe underbody corrosion: frame,brake and gas lines, front suspension, spare tire assembly, nuts, bolts, exhaust pipes, etc. Along with this I replaced two transmissions, once due to radiator failure, fuel pump failure, brake caliper failure, a few sets of rear parking brake shoes because the adjustments dont work properly, three window regulators and all within 163,630 miles. Yea I'm pis@#$ off.
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all problems of the 2002 GMC Yukon
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Exhaust pipe (shield) failed twice.
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all problems of the 1998 GMC Yukon
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