Popular questions

Question
How Do Belt Tensioners Work?
The belt tensioners in your car work to ensure that there is enough tension on your serpentine belt, or other drive belts, so that everything in your engine compartment (your alternator, water pump, air conditioning compressor, etc.) operates the way...
Question
Leaking transmission fluid from bell housing
Hi, thanks for writing in. Your transmission is leaking from the bell housing most likely because the torque converter seal has failed. If the torque converter seal fails it will leak fluid from where the engine and transmission meet up....
Question
Car overheating with new radiator
You might also have issues with your radiator cooling fan. It should spin most the time when you have your air conditioning turned on. You might also either have a clog in your system or internal engine issues. A qualified...
Question
What does the 4x4 Low Light mean?
The 4x4 Low Light indicates when the four-wheel drive system is enabled. The driver is responsible for turning this feature on and off. To understand the 4x4 Low Light. The 4x4 Low Light will come on for a moment...
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how long does it take to replace the fuel pump
The labor to replace the in tank fuel pump and the inline fuel filter that should be replaced with the fuel pump will take 4 to 5 hours labor.
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Locating and replacing my camshaft sensor - 2006 Pontiac Bonneville
Hi there. The camshaft position sensor is located on the rear cylinder head closest to the firewall (exhaust camshaft). Some engine cover and other bracket removal is necessary. If you would like assistance with this, I would recommend having a...
Question
poor brake performance when car's ac is on
Hi there. Most of the time this is due to a loss of vacuum in the engine. A loss of vacuum drastically reduces the performance of the power brakes. I typically start by checking for any vacuum leaks in the...
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The check engine light is on, the car feels as if it will turn off while idling, gas smell
Hi there. A gas smell such as this is a good indication that there is a fuel leak. If it is entering the vehicle, then it is typically under the hood. Most of the time on this vehicle it comes...
Question
What happens to the radio and other electronics if I have to disconnect the battery?
If you have to disconnect the battery in your car, several important systems will lose power. You’ll need to reset the clock, for one thing. You’ll also need to enter the radio code for your audio system when you replace...
Question
Car squeaks and jerks when changing gear when going around 55+ MPH
Hello, This may be a result of low transmission fluid or potentially a faulty transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various sensors...
Question
Rattling under the vehicle when placed in gear.
It seems like the engine/transmission are moving slightly on their mounts or they are touching some other part of the car when you put it in gear. The normal vibration of the engine may also cause a bracket or heat...
Question
What does the Transmission warning light mean?
The Transmission warning light is located on the instrument panel, and illuminates when a problem with your transmission is detected. Tip Like all warning lights, the Transmission warning light briefly illuminates when the car is first turned on. The light...
Question
Dome light and trunk light not working all fuses are good
The lights are controlled by the body control module through the auto shutdown relay in the right instrument panel fuse box. Either the body control module is not activating the auto shutdown relay or the relay is bad and not...
Question
What is the Radio Data System and how do I use it?
Your car is equipped with an advanced audio system capable of displaying a lot of different information, particularly if you are listening to Radio Data System (RDS) stations. RDS is a system that allows you to explore categories of music,...
Question
How do I use the flash-to-pass feature?
The flash-to-pass feature lets you briefly turn on the high-beams. To use this feature, pull the turn signal lever (which protrudes from the left side of the steering column) towards you, then immediately release.
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My 3 year old water pump is leaking. Is it covered under warranty?
Whether Pep Boys should warranty the water pump or not is only dependent on the warranty details. I can say that most warranties from repair shops are for twelve months and 12,000 miles. You will need to refer to the...
Question
Bad wheel bearing. How long can you drive it? 200 miles from home. safe????
There is really no telling how long a worn part is "safe" for use. If the bearing noise has been growing gradually, then without suggesting it is "okay" to drive 200 miles, the noise may just grow worse over that...
Question
Where is the hood sensor located?
Depending on your specific model of Chevrolet, your hood latch and sensor should be all one assembly. However, it is possible to separate them taking the hood sensor out and keeping the hood latch itself operational. I would recommend having...
Question
Clunking/popping sound while turning and going over bumps
Hello. It sounds like you may be having an issue with one of your outer tie rods. The outer tie rods connect the power steering system to the wheels. These tie rods are ball joints but they are not the...
Question
P0443
Hi there. A P0443 code will set when the evaporative emission system performs a self test and activates the purge valve to use engine vacuum to pull a vacuum on the tank for leak testing. When the engine computer does...
Question
Traction control constantly engaging when taking off
Hi There, It sounds like you may have a faulty wheel speed sensor inadvertently triggering the traction control system to engage. The traction control system monitors the steering and stability of the vehicle and engages when loss of traction has...
Question
On a 2008 Mercedes Benz c300 where is the fuel filter located?
Hello. The fuel filter on your vehicle seems to be inside of the fuel tank. It should be serviceable by removing the rear seat cushion. Here Is a great write up with the instructions on how to remove it and...
Question
Car won't start after installing new starter
Greetings. I would start first by double checking the starting system for faults.  A common issue owners of your particular vehicle may face is the ignition switch becoming faulty. The contacts inside the switch will wear overtime and lose the ability...
Question
My car has warranty for drivetrain and engine will it cover p0418 secondary air injection system
Hi there. The causes of a P0418 trouble code often occur during cold weather and include water entering the secondary injection valve system via a faulty one-way check valve. Some other causes include wiring and connectors becoming burnt by high-temperature...
Question
Car dies when gas pedal pressed
Your symptoms have many potential causes. When you press the accelerator, the engine is under load and sucking in more air. The engine control module (ECM) should respond by providing the engine with more fuel. If the vehicle hesitates or...