Q: Have a 2003 GMC Sierra 1500 hd has a rattling noise for a long time I feel like is coming under the front end or something

Setting the parking brake ensures that your car stays where you park it on an incline and also takes the load off the transmission. Never leave your car only in park on a hill, or in gear on a hill...

The Service Park Assist message can appear in the driver information center (DIC). When the DIC displays this alert, then the ultrasonic rear parking assist (URPA) system is malfunctioning and the park assist feature will not work. When the URPA...

Hello. It sounds like you may have a bad vent or purge valve in the evaporative emissions system. Most of the time this is caused by the purge valve. These valves work to contain the gas fumes in the vehicle...

It seems the accident may have damaged the mechanical linkage and has caused it to bind. I would recommend heading to a collision center that can assist you and release the connection. As the vehicle is already damaged, releasing the...

Hello. If the brakes are locking up as the vehicle sits, then you typically either have an issue with the drum brake shoes catching on the backing plate or if all four of the brakes are locking up then you...

According to Pennzoil, synthetic (including blends) and regular oil are completely interchangeable and thus there is no restriction on "switching" back and forth at any time. The main thing of concern with engine oils is that you are using the...

You are correct there are more ground locations. The problem is you may have a hundred or more ground locations on this vehicle and would need a wiring diagram to show all of them to you. If you are having...

Hello - there may be multiple problems contributing to the smoke (https://www.yourmechanic.com/question/car-is-smoking) and noise symptoms you are experiencing. The exhaust smoke you notice could be worn or damaged turbocharger seals, or worn piston rings, allowing oil to reach the hot...

Hello - I think you're getting the run-around. These DSG transmissions (https://www.yourmechanic.com/question/p2711-unexpected-mechanical-gear-disengagement-by-stefan-b) are quite sophisticated, and have very detailed on-board diagnostic capability. Check with another VW service center, which will use a VAG-COM diagnostic tool to check for problem codes...