• Thumping sound often means a tire coming apart or poor wheel balance
• Sidewall bruises from scraping against a curb or other object may indicate tire damage
• Squealing on curves at normal speed may mean poor alignment or improper inflation

Be Alert for These Exhaust Problem Warning Signs:

• Rattling (usually caused by loose brackets, loose heat shields or missing bolts)
• Louder than normal exhaust noise (rust has corroded through pipe or muffler)
• Smell of exhaust fumes in car (may mean a hole in pipe, catalytic converter or muffler)

Be Alert for these automatic transmission related issues:

• "jumping" into gear once drive is engaged
• hesitation or inability of transmission to engage in ext gear as speed increases during transit
• abnormal sound emanating from transmission

Be Alert for these warning signs indicating clogged fuel injectors/fuel rail system issues:

• vehicle stalls, hesitates, runs rough
• not as responsive to throttle as usual
• poor fuel economy
• vehicle appears to need a "tune-up"