Popular questions

Hi There, The lack of heat being generated by your system may indicate a clogged heater core. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then...

The best way to find TDC on your 2001 Ford Focus is to purchase a vehicle service repair manual for your car. This will give you the information you're looking for so you can make the repairs to your vehicle's...

There might be a pigtail cable on the battery cable that has been damaged. The battery cables usually have one or two smaller gauge wires that come off of the cable to power up other circuits. You can look at...

Common causes of no or inadequate cabin heat include malfunctioning blend door(s) (part of the in-dash ventilation network), a faulty or stuck heater control valve, a plugged heater core, stuck open engine cooling thermostat, collapsed hoses, and low coolant level....

This is likely due to a weak battery, a failing alternator or potentially a bad grounding connection. When the alternator is not working properly, it will fail to maintain an adequate charge on the battery which may cause other components...

The actuators are geared to work back and forth. You may have positioned them in a way where they will not work properly. You should have moved the door until they matched the actuator and not the other way around....

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Ignition coils can be a very tricky component to diagnose and there is virtually no way to tell when one may or may not fail without pulling one apart and doing extensive testing. Often times when they fail, it can...

Hello - this recommend seems unusual. As long as the lubricant level in the differentials is of the correct type, and kept at recommend levels (i.e. no leaks), differentials should not be failing with this frequency. Off-roading or trailer pulling...

A rough idle indicates that your engine is misfiring. There are many reasons why a car would misfire. It could be a bad ignition coil or spark plug. It could also be a bad control module or wiring issue. If...

The most common problem with hard shifting from park is the brake light switch. The way it is set up you have to have your foot on the brake for the park switch release to engage. These brake light switched...

Hi - first task would be to check the transmission fluid level. Also, is the fluid red, or closer to black? If dark in color, it may be a good idea for change the transmission fluid and filter. Check also...

Hi there - it sounds like you have damaged a tire or the wheel itself, and perhaps bent one of the suspension links with this impact. I would recommend a suspension inspection by a mobile, professional mechanic, such as one...

This will have to be inspected and diagnosed first hand to resolve as it is not clear exactly why the problem exists and the relevant sections of the Factory Service Manual are several pages long, too long to reproduce here....

Hi there. One of our better tools on this website and also available through our mobile app is the scheduled maintenance search tool that can be accessed by clicking this link. Simply enter your vehicle information in each section as...

Checking for cooling system leaks is the first place to start. A certified technician can pressure test and/or add dye to the cooling system to pinpoint if there are any leaks. There can possibly be a leak that's small enough...

Hi there: Most power steering pumps have a "shelf life" of about 10 to 15 years. If yours has not been replaced, then it's more than likely that this is the reason why your power steering is not functioning correctly....

Hello, thank you for writing in. With the light illuminating and then turning off right away, there are no major causes for concern at this exact moment. You may want to Several systems are tied into the Advanced Trac, and...

If your car has a factory installed anti-theft system, starting the car is much more difficult. The anit-theft system uses the ignition key, ignition lock cylinder and switch to determine if the car will be allowed to start. There are...

A blocked oil passage can cause high oil pressure and of course lack of oil flow can cause engine noise. However, it is not clear from your inquiry if your oil pressure is really out of spec high. OBD-II codes...

Hi there: It's very difficult to tell you where to start if we don't know what type of troubles or symptoms you're experiencing. A professional mechanic typically will download OBD-II trouble codes first, then test drive or communicate with the...

It is possible that the timing belt has slipped or is broken which would cause loss of compression. You can check cylinder compression to get an indication of that. Also, you should check for fuel from the injectors, not just...

Your car’s Intelligent Key is responsible for telling the computer that you’re an authorized driver. If the battery dies, then you’ll have to insert the key into the port to get your car to crank. Thankfully, replacing the battery is...

Alternators can make noise, due to defective bearings, belt, etc., and still charge the battery. If you are hearing noise from the area of the engine when the car is stationary, if the sound is not really obvious, that is...