Bumper to Bumper Radio, the car guys on KTAR, 92.3 FM in Phoenix, AZ, broadcast every Saturday from 11:00 am to noon. On this show, Dave Riccio of Tri-City Transmission in Tempe, AZ and Matt Allen of Virginia Auto Service in Phoenix talk about why it’s important to have an auto repair shop properly diagnose smaller services to avoid costly unnecessary maintenance. Also on this show:

• Information about differential servicing.
• How to choose a shop that will service every system in your vehicle.
• Common problems that occur when you only have quick minor maintenance performed on your car.
• How often should you have your air filter checked?
• Electrical issues that are related to a weak battery.
• 2000 Toyota Camry: My car is losing heat at stoplights. Is this a coolant issue?
• Honda Fit: I’ve recently replaced my fuel injectors. Are there any additives you would recommend to me?
• 2001 Cadillac SRX: What type of transmission service advice can you give me for my vehicle?
• 1994 Chevrolet Pickup: I’ve just replaced the fluid and filter in my trucks transmission. Now my overdrive isn’t functioning. Any idea why this could be?
• 1997 Ford F250: Is there a shop you could recommend to me to fix the gauges in my dash?
• 1996 SAAB: What can you tell me about gearbox malfunctions?
• 2008 Honda CRV: Even after replacing the battery, my car is having a hard time starting. How should I be able to tell that it’s a problem with the starter?

Cars talked about on this show are the 2000 Toyota Camry, Honda Fit, 201 Cadillac SRX, 1994 Chevrolet Pickup, 1997 Ford F250, 1996 SAAB, and the 2008 Honda CRV.