Common questions

What causes a door to not lock or unlock?

What causes a door to not lock or unlock? The hot and cold weather can cause issues with your doors. Each year when the weather gets warmer or the weather gets much colder, we attend more and more call out's for door related issues, such as doors not locking or unlocking, doors sticking, doors stiff to open or close, key unable to turn or difficult to remove from lock. Is there a key fob that will unlock all 4 doors? My key fob will only unlock the drivers side door and not all 4. It's not the battery it's brand...
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What are the symptoms of a failing body control module?

What are the symptoms of a failing body control module? 5 Common Symptoms of a Failing Body Control Module (BCM) You are here: The Body Control Module (BCM) could be considered a central organizational module for your vehicle. It streamlines the manufacturing and troubleshooting aspects of electronic modules by housing the modules into one, central unit instead of each function having its own device. What is the body control module in automotive? Automotive BCM is a multi-faceted electronic component that supports multiple functions, the foremost being the managing the gamut of automotive body electronics. The body control module receives data...
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Is it worth it to clean a throttle body?

Is it worth it to clean a throttle body? The throttle body must therefore be in top condition. If it is slightly impaired, your car may not run properly. A new throttle body is costly, and it is widespread that these get dirty, so it can definitely be worth a chance to try cleaning it. When do you know your throttle body is clogged? If this is significantly out by more than 10-15% then the chances are you have a clogged throttle body that’s impacting your car’s performance. When your throttle body is operating below its normal effectiveness, one of...
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What do you use to replace the rear rotor on a car?

What do you use to replace the rear rotor on a car? One of the notches is lined up with a hole that’s drilled through the end of the spindle. A cotter pin is used to secure the nut. A hub where the rear-mounted rotor requires hub removal for replacement. When is it time to replace front wheel bearings? If you feel play, the wheel bearing needs to be adjusted. If you can’t adjust out the play, or if when you spin it you hear and feel noise, it’s time to replace the bearings. On many vintage cars, replacing front...
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Why does my Vortec valve lifter make a ticking sound?

Why does my Vortec valve lifter make a ticking sound? This ticking sound is caused by the valve lifters, which are filled with oil during engine operation. When your engine sits, the oil can seep out of the lifters. When this happens, the lifter will tick at start-up until it refills with engine oil. Ticking lifters are not dangerous. What to do about ticking noise in Chevy 5.3L engine? VLOM (Valve Lifter Oil Manifold) wear Plastic lifter guide wear Lifter bore wear Cam lobe wear; GM offers the following diagnostic steps in determining if this is the problem. 1. Perform...
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Which is more fuel efficient 55 mph or 65 mph?

Which is more fuel efficient 55 mph or 65 mph? According to studies backed by the department of energy, the average car will be at its advertised MPG at 55 mph. But as the speed increases: - 3% less efficient at 60 mph - 8% less efficient at 65 mph Why was the 55 mph speed limit created? The old national speed limit of 55 mph was created to address the energy crisis in the early 1970's - not safety purposes (although it did help safety). Unmaintained engines can also add to poor mpg performance. Save Money with a new...
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How big is the front tire on a 1968 Corvette?

How big is the front tire on a 1968 Corvette? YEAR MODEL WHEEL LOCATION WHEEL SIZE OFFSET BACKSPACING TIRE SIZE 1968 Corvette-Rally Front/Rear 15”x 7” ( - ) 7mm 3.22” F70 x 15 1969 Corvette-Rally Front/Rear 15”x 8” ( - ) 13mm 3.5” F70 x 15 1970 Corvette-Rally Front/Rear 15”x 8” ( - ) 13mm 3.5” F70 x 15 1971 Corvette-Rally Front/Rear 15”x 8” ( - ) 13mm 3.5” F70 x 15 What was the biggest improvement to the 1981 Corvette? However, the most substantial improvement to the 1981 Corvette over earlier models was the introduction of Computer Command Control...
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Why does my Chevy Equinox make a grinding noise?

Why does my Chevy Equinox make a grinding noise? Recently had rear transfer case & rear differential replaced or repaired on 2012 chevy equinox my awd, after the repair whenever I made a turn to start driving the rear wheels seemed to grind, or have a grinding noise as if the rear wheels were having a grabbing effect. What to do if your equinox wheel is clunking? The mechanic will then remove the wheel and the control arm (s) in order to access the faulty ball joint. He or she will then remove the old ball joint and replace it...
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What are the most common problems with fuel pumps?

What are the most common problems with fuel pumps? Anyway, here are the most common problems for the two main fuel pump types, the most common bad fuel pump symptoms, how to correctly identify the problem and how to fix it. It makes sense that, in an electric pump, the most common problem is an electric one. How can I tell if my fuel pump needs to be replaced? Check to make sure that the power wire shows the full voltage and the grounding wire shows that it's grounded properly. If this electrical test reveals nothing, it's likely that your...
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How cold should air be coming out of AC vents?

How cold should air be coming out of AC vents? If the AC system is operating correctly, then the air coming out of your vent should be about twenty degrees cooler than the regular temperature inside. So, if you're cooling it and the house is 80 degrees, then you would ideally want the air to be about 60 degrees. Have more air conditioner questions? Why is my AC fan running but the compressor is not working? A working AC will provide you with nice and cold air as opposed to bearing the brunt of warm, dry air. With how much...