2003 Chevrolet Avalanche Repair Question
Topics covered: Engine, Engine performance, Four wheel drive.
Mileage: No information provided.
Mileage: No information provided.
Asked on February 23, 2010
2003 Chevy Avalanche
Engine Performance problem
2003 Chevy Avalanche V8 Four Wheel Drive Automatic 139,00 miles
How often do you change the spark plug wires on an Avalanche?
2003 Chevy Avalanche V8 Four Wheel Drive Automatic 139,00 miles
How often do you change the spark plug wires on an Avalanche?
Answer
Replied on July 18, 2010
I believe the manufacturer says the OEM ones are good for 100K. However, that usually isn't the case. I would recommend aprox every 50K. If you still have the owner's manual, check it for their recommendations too.