The light by the 2 wheel drive was yellow and now it is red why?
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2003 GMC Yukon XL 1500 Question: 4 wheel drive
Answer #1arturo08 April 01, 2013, 20:17Master
possible issue with rear drive shaft, transfer case, rear diff., rear wheel bearings. should bring in to shop for diagnostic run to confirm or dismiss. do visual inspection of rear wheels(looking for sign of blown seal, oil spattering around rim).
Answer #2pushrod April 02, 2013, 01:52Master
Mechanic + scan test = Best place to start!!