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Silverado 1500

Unfortunately this decision can be very difficult to make. With the amount of money that you already have invested into the truck it would be hard to let the truck go. However continuing to invest more money into a truck...

Hi Houston. Thanks for contacting us today. Sometimes when multiple components are replaced, and adjustments made, it will highlight other parts that were not replaced that might be loose or wearing out. Based on what you've indicated in your question,...

Hi Dennis. Thanks for contacting us today. What you're describing is typically caused by an electrical short inside the ignition switch or with the electrical relay that is faulty. The first thing I would do is determine if other accessory...

You may have a broken transfer case and should have the system tested and see if the problem is in transfer case or the transmission.

Hello. Thank you for writing in. Looking to the spark system for a no start (https://www.yourmechanic.com/services/car-is-not-starting-inspection) situation. The screw driver trick is one way to test for spark. This is not the safest way to test, but does work. Once...

Hello. If the transmission is on the vehicle it has to be diagnosed. Although there are a lot of parts in a transmission, conceptually it is actually pretty simply. There are electronic control circuits, electrically actuated solenoids, and hydraulically actuated...

Cars equipped with ABS often require remote actuation of the ABS system, using a bi-directional scan tool, in order to expel the trapped air in the valving and cylinders. That air may be the cause of the difficulty you are...

Hi. The first task is to extract problem codes. Whether the Check Engine light is on or not. The most common source of the "reduced power" for these GM engines is either the wiring connector to the throttle body (https://www.yourmechanic.com/services/throttle-body-replacement)...

Power steering leaks are pretty common on trucks like yours. The power steering pump builds the pressure necessary to provide power assist to your gear. The high pressure fluid flows from the pump to the gear via a high pressure...

There are a few common reasons to get a trouble code for low oil pressure (https://www.yourmechanic.com/services/oil-pressure-light-is-on-inspection). There could be a low oil level, failed oil pressure sensor, a wiring problem, oil that needs to be changed, an engine that has...

If the check engine light has come on, the stored codes may be related to the hesitation issue. If the light was flashing when it came on, that would signify misfiring, a particularly serious issue. You can request a check...

Hi Dennis. Thanks for contacting us today. In most cases, when an inconsistent security code issue like this pops up, it's due to a fault with the anti-theft software in the ECU. Typically a GM dealership can scan the ECU...

Hi Miguel. Thanks for sending your question to us today. In most cases, if the purge valve has been replaced and you're still getting codes related to this component, then it's going to be a fault caused by the sensor...

Depending on the source of the leak, you may need to replace the entire water pump or just the water pump gasket. It sounds like you may have a water pump that may not be pumping correctly or may be...

There is a wide variety of reasons as to why a vehicle may not shift out of park. A common reason, however, is a failed brake switch located at the pedal. I would first test the brake switch to make...

It is possible that your thermostat could be causing this issue. It is also possible that a bad coolant temperature sensor is sending false information to the computer. I would ask for help from one of the mechanics at YourMechanic...

The GM seat belts of your generation vehicle have widespread problems with the seat belt ratcheting device. The seat belts have a safety feature which is designed to stop seat belt movement during emergency braking. The safety feature is however...

Transmissions can be totally destroyed inside and not shift or it could be something simple such as a speed sensor if reading erratic. The only way to tell is to have the system thoroughly checked by a certified transmission technician,...

Hi There, As you may know, code P0430 relates to the catalytic converter not performing as it should. When the catalytic converter internals deteriorate, it is usually a result of the engine running too rich resulting in the exhaust gases...

Slow leaks can be difficult to find. Sometimes it can come down to the trick of putting a dye in the oil that glows under UV light and then you can see the leak glowing when you shine the black...