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 talks about your car’s cooling system and why you shouldn’t neglect it in the winter time. Special guests include Tim and Pasquel from Virginia Auto Service. Also on this show:

• Which codes are related to your cooling system.
• Symptoms that may be telling you that your car isn’t heating up enough.
• Consequences of ignoring problem in your cooling system.
• Advantages and disadvantages of different types of coolant.
• 2005 GMC Yukon XL: I’ve just replaced my instrument gauge panel. Now my oil pressure gauge goes to zero while idling. What could be causing this?
• 1989 Ford Crown Victoria: My check engine light has been on for quite some time. Now the engine won’t start. What should I look into first?
• 2001 Honda: My cooling fan melted where it’s connected to the motor. What may have caused this?
• 1998 Chevrolet S10: I’m having a similar issue with my oil pressure showing zero. Should I be revving my engine while idling?
• 2010 Ford F150: My truck starts to idle roughly while using the AC. Any idea what could be causing this?
• 2013 Ford Edge: My heater will only blow cold air. What services would you recommend?
• 2001 Ford F150: Within the first few miles of driving, I’m hearing a high pitched noise then my truck overheats. After pulling over for a bit, the problem doesn’t happen again. Is this a thermostat issue or a bigger problem?

Cars talked about on this show are the 2005 GMC Yukon XL, 1989 Ford Crown Victoria, 2001 Honda, 1998 Chevrolet S10, 2010 Ford F150, 2013 Ford Edge, and the 2001 Ford F150.