One problem related to engine cooling system has been reported for the 2003 Chevrolet Tahoe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Chevrolet Tahoe based on all problems reported for the 2003 Tahoe.
Air conditioner, compressor, clutch and belt tensionor on Chevrolet Tahoe. Belt tensionor breaks locking up causing compressor clutch to sieze then causing compressor to disentergrate internally shooting internal components thru accumalator and inside vehicle climate control system. Serpentine belt tenstsionor could cause belt to break which drives the entire system to include power steering. This is a common problem for Chevrolet models, however it may only begin having the problem at 3-4 years of ownership therefore appearing to be a normal breakdown of components. The problem is common enough the dealers and experienced mechanics maintain the parts as basic stocked items.