Q: It overheated once and the heater started blowing cold air

The symptoms you describe are most commonly caused by the ignition switch loosing contact to one or more contacts in the switch. I would try and wiggle the ignition key to see if the problem comes and goes. This would...

Hi, thanks for writing in. I think your best bet would be to have a technician check the vehicle. The shifter issue may be either the brake light switch, or the transmission control module. It can all me related to...

Hi, thanks for writing in. I believe you're on the right track. Wheel bearing failures (https://www.yourmechanic.com/article/symptoms-of-bad-or-failing-wheel-bearings) are common on many GM vehicles particularly their trucks and SUVs. I would recommend having your wheel bearings inspected with a mechanic's stethoscope to...

Hey there. This is usually a sign of a vacuum leak (https://www.yourmechanic.com/article/is-it-safe-to-drive-with-a-vacuum-leak) or a faulty or dirty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement). The idle air control valve is a unit that reads the air coming into the motor as it...

This may be a sign of warped brake rotors (https://www.yourmechanic.com/services/brake-rotor-disc-replacement). As you may know, when you press on your brake pedal, this activates a hydraulic pressure which forces small pistons inside your brake calipers (https://www.yourmechanic.com/services/brake-caliper-replacement) to push the brake pads...

Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate and eventually stall. The idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) is a small valve on the engine's intake system...

You will need to have the fuel pressure tested to see if the fuel pump in the fuel tank has failed. You may not actually ran out of fuel but the pump failed and stopped pumping. Have pressure tested and...

The codes (P0174, P0171) indicate insufficient fuel relative to the air charge (i.e., lean operation). Lean operation can be caused by a faulty fuel pressure regulator, a weak fuel pump, a clogged fuel filter, a faulty powertrain control module (not...

If brake calipers are replaced, this will cause air to enter the brake system. The brakes must be bled in order to remove the air and regain pedal pressure. As for the slide pin, most of them have a spot...