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Auto Stop II
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Auto Stop II's posts

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My differential is leaking fluid?

The job that a differential performs is not a glamorous one, in fact if the TV show Dirty Jobs had an episode on cars, the differential would be a prime candidate! The differential sits in between the front or rear wheels and houses several gears that transfer rotational energy from the driveshaft to those wheels. The steel gears produce a lot of heat, so they are lubricated and cooled with heavy gear oil. Overtime the seals/gaskets around the differential can deteriorate and begin to leak this crucial oil, which could lead to very costly repairs if the gears are starved of proper lubrication. Pictured below is a differential with a considerable leak emanating from the pinion seal. If you need differential service near Falls Church, Arlington, Alexandria Va or notice your differential is leaking, bring your vehicle to the experienced mechanics at Auto Stop! #fallschurchva #arlingtonva #alexandriava #autorepair #autostop
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Do I need to replace the belts on my engine?

Your vehicle has multiple accessories that are powered by the engine – these include your air conditioner compressor, alternator, power steering pump, water pump, and radiator fan. Most, if not all these components, are powered through a serpentine or accessory belt located on the front of the engine. These belts work under high tension whenever the engine is running, so it’s not uncommon for these to develop noise given the right wear and circumstances. However, just like any other rubber component, these belts can dry out and crack over time, so they should be replaced within a certain maintenance interval to prevent them from failing on the engine – which would render the vehicle inoperable. The picture below shows a belt with cracks developing in the interior ribs. When you see a belt in this condition, it is reaching the end of its serviceable life and should be replaced immediately. Bring your vehicle to the auto mechanic at Auto Stop conveniently located in Bailey’s Crossroads to serve Falls Church, Arlington, and Alexandria Va and we will inspect the condition of your serpentine / accessory belts. #fallschurchva #arlingtonva #alexandriava #autorepair #autostop

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Axle repair near me?

An axle has the important job of transferring power from the drivetrain to the wheels. Front wheel drive (FWD) vehicles utilize either u-joints or constant velocity (CV) joints, which are the weakest points in an axle and are usually the first to fail. However, we recently replaced an axle on an Acura TL that had sheared at the central shaft – one of the strongest points in an axle’s design. This specific axle used a rubber dampener that balanced the shaft under heavy acceleration. Upon inspection, our technician noticed heavy corrosion between the dampener and the axle that resulted from trapped moisture. In the picture below, you can see the red arrow pointing to the large areas of corrosion around the axle, and the yellow arrow pointing to the remaining inner axle shaft that inevitably sheared under load. The larger the diameter of an axle shaft, the more torque it can withstand – so with corrosion decreasing the diameter of this axle, it caused it to shear under heavy acceleration. For any axle repairs, our mechanics in Falls Church Va can have you back on the road in no time! #fallschurch #alexandria #arlington #autorepair #autostop

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Why isn’t my parking brake working?

Your parking brake works under the same premise as your regular brakes – it applies pressure to your rotors with a pair of brake shoes. The only difference is that the parking brake engages through a tension cable, whereas your main brakes utilize a hydraulic system. The parking brake system will often require maintenance over the years if the tension cable stretches or the parking shoes wear down. What our auto mechanics found below is a tension cable that’s begun to corrode from years of exposure to the environment and elements. If this cable were to snap while the parking brake is on, the brake would disengage and the car could potentially roll away unattended – a very serious hazard for any property or people in its path! Give our service advisors a call if you are experiencing a problem with your parking brake! #fallschurch #fallschurchva #autorepair #brakes #autostop

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Is your vehicle leaking oil?

If your vehicle is leaking oil you might notice drops of oil accumulating in your driveway or a low reading of oil on the dipstick between oil change intervals. This 2005 Jetta has an oil gasket on the top of the engine that’s given out, and as a result oil is seeping down the side until it eventually accumulates here at the bottom. An engine that is losing oil poses a threat to the components in the engine if they are not getting proper lubrication, but also some modern engines with Variable Valve Timing (VVT) use the engine’s oil pressure to regulate timing. The environment can also suffer from oil leaks because the dirty oil that ends up in the roadways will eventually make its way into run off drains. Give one of our service advisors a call if you are looking for a mechanic in Alexandria, Falls Church, or Arlington Va that can diagnose an engine oil leak! #autorepair #fallschurch #fallschurchva #autostop
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It's hard to beat an early morning Spring view like this. To the left you can see Rt 7., the main thoroughfare connecting Falls Church, Arlington, and Alexandria in Nothern Va. This is a rare glimpse into the calm before the storm where during the day it transports thousands of people to work, school, and home again. We are fortunate to be in a location that can conveniently serve all three of these areas in auto repair.
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What you see here is the inside of an engine oil pan with metal flakes scattered along the bottom. This engine lost oil pressure, unbeknownst to the driver, and was driven until catastrophic engine failure occurred. The metal shavings you see belong to the bearings in the engine, which are made of softer metal and therefore are the first to fail when an engine is starved of oil. If you notice metal shavings in your oil during routine maintenance, this could be an indication of significant wear happening inside your engine and you should alert your mechanic immediately. If you are having any engine problems, contact one of our service advisors to set up an appointment. #autorepair #fallschurch #fallschurchva #autostop
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Hmmm...seems legit!
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Direct injected gasoline engines are becoming popular with automakers because of their improvements to fuel economy. With traditional fuel injection, air and fuel were mixed in the intake manifold, allowing the gasoline detergents to clean the intake valves. These new direct inject engines place their fuel injectors directly in the cylinder head, and as a result they no longer pass through the intake. The short fall of this design is the rapid growth of carbon deposits that build up around the valves, inhibiting airflow to the cylinders. Careful preventative maintenance will keep these valves clean without the need for labor-intensive repairs. Ask one of our service advisors about an Induction Service if you have a direct injected engine in your vehicle. #autorepair #fallschurch #fallschurchva #autostop
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Ever wonder how hot brakes get? Well the abridged answer is, HOT! To give you a better idea take a look at this wheel that was exposed to a locked caliper. When a caliper fails and locks up, the brakes on that wheel are always engaged - even when the driver does not have their foot on the pedal. The brakes in the picture got so hot, the wheel's metal turned a scorched yellow color and the plastic center cap melted! If you ever have to put your hands down near the wheels after a long drive, be sure to allow your brakes enough time to cool! #autorepair #fallschurch #fallschurchva #autostop
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