Popular questions

Hello a loose starter is something you should have repaired and inspected sooner than later to avoid damage to where the starter mounts. If the starter brakes it mounting tabs or cracks the mount, the repair could be expensive due...

It is possible that this is a transmission control module issue. As you may already know the transmission control module provides direction to the transmission as to shifting points, clutching and a wide variety of other control related transmission functions....

A thermostat that is stuck closed will cause the engine to overheat quickly. Do not drive it or engine damage will occur! I suggest having a technician, such as one from YourMechanic, come out and diagnose and repair your cooling...

Hi there. The transmission control module, or TCM, uses data from the shift/timing solenoids to manage hydraulic fluid transfers between circuits, and to perform changes in transmission gear ratios in order to accelerate, decelerate, optimize fuel efficiency, and maximize engine...

There is a brake light switch on or near the pedal assembly. That switch could have been jarred in such a way that the switch contacts are stuck in the closed (lights always on) position. If that is what has...

Seat belts are pretty important to safety – they’re the most critical safety feature on your entire car. However, in order to work properly, they need to be cleaned and well maintained. Dirt and debris in the belt webbing can...

Hi there. Check the spark plugs and see if they have been replaced. The plugs in your engine are designed to last between 80,000 to 100,000 miles. Replace the spark plugs if they have not been changed. If the symptom...

Hello, if the front crankshaft seal is leaking, the only way to stop the leak is to replace the seal. The harmonic damper needs to removed for access to the seal. Other parts may have to be removed like the...

Of course, with the sinking brake pedal, you'd want to start with the most logical suspect - a brake fluid leak. Pull the tires off and see if anything's leaking. Look for the dripping fluid. If you don't find anything...

Hello there. Many common faults will cause your 1990 Toyota Corolla to consume excessive fuel. The most common causes are leaking fuel injector, vacuum leak, a faulty MAF sensor, fuel leak, spark plugs, plug wires, or an ignition coil. If...

While there are no official technical bulletins put out by Nissan there is quite a bit of documented cases where replacement of the crankshaft and camshaft sensors have corrected these stalling issues while idling and driving. Before throwing sensors at...

The “system setup” command allows you to change security options by setting a passcode for the entire system (like the PIN that protects your phonebooks). To access this function, just: Press the talk button Say “system setup” Listen to...

Hello. This is a rare problem and it could be a bit difficult to pinpoint. First, an EVAP system check and a complete fuel system check would need to be done to determine what exactly is causing the gas to...

The serpentine belt that drives the power steering pump should be checked. Even if the belt looks OK, and is tight, all the rotating elements (pulleys and accessories) should be checked for binding. If there is a problem in that...

Hi and thanks for contacting YourMechanic. First find all of the vacuum lines that are cracked and replace all of them. Then check the heater control valve to see if it has a vacuum leak on it. With the heater...

Check the suspension and steering around the driver side and see if there is anything that could be loose. Look for any bolts or bushings that may be loose or broken. For the engine revving up on the freeway merging,...

One cause to rule out is low fluid level or a plugged transmission fluid filter. Delayed shifts can also be caused by internal hydraulic leaks in the valve body or failing internal transmission seals found on clutch pack pistons and...

It's possible that there is some rust or dirt built up in the splines that is preventing the joint from sliding all the way home. If you can purchase a wire brush about the size of a toothbrush, you can...

If the water pump is leaking, then it will need to be replaced. During water pump replacement, it is recommended that the timing belt also be replaced, since it needs to be removed while the water pump is being replaced....

The security system warning light should not illuminate once the vehicle is started and you are driving. If the light does illuminate, that means there is a malfunction in the security system. Obviously, if this problem started immediately after you...

Well depending on the year, make, and model, there are different kinds of belts. On today’s newer vehicles a single belt called a serpentine belt is used. It’s called “serpentine” because it snakes around all the drive pulleys, and uses...

The window itself is held in the door by a regulator which is attached to the window motor. This is controlled by the switch on the door. If the window regulator fails, the window can get stuck down. Some window...

Hello. The PVC valve shouldn’t cause your oil light to come on. Most likely, the problem is that the oil is low, which would cause the light to come on. The oil pressure could be faulty, which would also cause...

Hello. If you have a 4x4, it may be in neutral. Check to see how long it has been since you serviced the transmission filter and fluid. Then, ensure that your transmission fluid is full. At this point, the next...

Hi, thanks for writing in. A lot time when this happens, it is due to a bad belt, or the belt is being soiled by oil and fluid from the car. The belt tensioner also could be weak, allowing the...