Q: Caddillac cts 03...I changed the water pump, took off belt and ...now I hear a ticking noise

Although I haven't seen it very often, broken springs can happen. The springs are usually made of hardened steel. They help stabilize the strut and keep the car at the appropriate ride height. If the spring breaks, the rear of...

Hello! Since you have replaced the battery, we will put that to the side, but we cannot ignore it. A failed charging system puts a large load on a battery and can damage a new one, so I suggest having...

When it comes to these cold air intakes and K&N type filters, the engine air flow is different than the original and your engine control module may not be able to correctly read the amount of air that the engine...

If your car is equipped with a sunroof, which I am guessing it is, the drains for the sunroof guides are a common cause of water intrusion into the vehicle. It is expected that water will get into the sunroof...

Valve cover gasket leaks are located by visual inspection and are usually one of the easier leaks to confirm the source of, since they are high up on the engine. It would't hurt to wash it off, especially if it's...

A "humming noise" while driving at speed can be caused by tires or wheel bearings (https://www.yourmechanic.com/services/wheel-bearings-replacement). If you drive with the window open and you hear the noise outside the car, like the sound bouncing back at you from a...

Since the master cylinder is full and the brake pedal is going to the floor, there is a good chance the master cylinder has failed or there is a leak somewhere along the braking system. This leak may be found...

Hi there. I agree with you - this doesn't pass the 'smell test'. The only way for debris to enter the engine is through the throttle body. Since the throttle body inlet is protected and covered by an air intake...

Shaking of the vehicle can, of course, be suspension related so be sure to rule out faults there as a cause. If the engine itself is shaking or vibrating, the usual causes are problems with the motor mounts, engine imbalance...