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If you have been in business as long as we have at Bob and Sons Automotive, you can honestly say “We’ve heard it all”. When customers ask us, “Why do you hand torque every vehicle you work on”, we know just how to answer.
Many auto repair shops will use a torque stick to torque the lug nuts on a customer’s vehicle. Each torque stick has a range that it will torque to and hopefully flexes or stops torqueing at that level. If not, you could have over torqued wheel lug nuts.
Some shops won’t even use torque sticks and will rely on their “years of experience to know when to stop the air gun”. This method is not recommended for a number of reasons. What happens if they have a new hire who doesn’t have the expertise to be able to listen or feel for the right torque? What happens if the setting on the air gun is turned up or down and no one checks the setting? Yup, you guessed it, either under torqued or over torqued wheels.
What happens if the air compressor in the shop trips and shuts itself off? No one realized that the shop air wasn’t at the proper level, no one double checked the torque on those tires and poof you have a serious problem shortly thereafter.
The wheels on our vehicles are what contacts the road, if we don’t have the lug nuts properly torqued on our vehicles then we are driving unsafely. This is the reason we, at Bob and Sons Automotive, hand torque every wheel that we remove. This is easy and cheap insurance for us and our customers that the job was done right and everyone operating or traveling in that vehicle will ride safely.
Posted on June 13, 2018 | Comments Off on Why you should hand torque?
At Bob & Sons Automotive we check the engine air filter on every vehicle we see because we know how important it is for the engine in your vehicle to breathe properly.
Imagine you are a disciplined, powerful, long-distance runner. Imagine you take great care of yourself in staying fit, eating right, and exercising regularly. Then imagine you’re on a long stretch of road and you want to open up the throttle and go fast, just then you start to feel a restriction in your airway and you can’t get the oxygen you need to get optimal performance. Can you picture this?
This is what it feels like for your engine when it can’t get the air it needs to perform the way it was intended to. When air filters are not replaced, they get clogged with dirt and debris.
There are many benefits for your vehicle when replacing your air filter regularly. Those benefits include better gas mileage, reduced emissions, improved acceleration, increased engine life and overall improved drivability.
For each gallon of fuel burned, the engine uses up to 10,000 gallons of air; this is why it is easy to understand how vital a clean air filter is to your motor vehicle.
Replacing your vehicle’s engine air filter is one of the most cost-effective ways to maintain your vehicle’s high performance.
Posted on April 26, 2018 | Comments Off on Why you should change your air filter
At Bob & Sons Auto we are all about preventative maintenance. We believe that if we are proactive about maintenance on our customer’s vehicles, then those said vehicles will break down less often. Vehicle maintenance services are much more economical than vehicle break down repairs.
One of those vehicle maintenance services that we love to perform at Bob & Sons Auto involves replacing the transmission fluid. Transmission fluid is a slippery liquid that acts as a lubricant for all of the moving parts inside your transmission. In an automatic transmission, this fluid also serves as a coolant and a viscous fluid that transmits power from the engine to the transmission.
When should I do this service?
Manual transmission: Most manufacturers recommend that manual transmission fluid be changed every 30,000 to 60,000 miles. Under heavy-duty use, some manufacturers suggest changing transmission fluid every 15,000 miles.
Automatic transmission: Service intervals for an automatic transmission vary from every 30,000 miles … to never. The typical service interval is 40,000 to 80,000 miles. Changing it more often does no harm.
Why do I have to do this?
Fluid contamination and heat. Contamination occurs over time as the synchronizers, bearings and gears in the transmission wear out. The resulting metal particles then float around in the lubricant. Oil with microscopic particles of metal in it does not lubricate as well as clean oil. So if these contaminants are not drained out, they will shorten the life of your transmission. Heat is the other major factor in the need to replace transmission fluid. Heat degrades oil after so much time. This same thing happens with transmission fluid.
What happens if I don’t do this?
If you decide not to replace the fluid inside your transmission, your car will have metal pieces floating around inside your transmission. Or over time the fluid will degrade and you will have burnt, worn out fluid. At some point the transmission won’t be able to lubricate itself properly and this will lead to a break down which could be very costly.
Transmissions are one of the costlier items on a vehicle to replace. Replacing the fluid at maintenance intervals will lessen the chance of that costly item needing to ever be replaced. At Bob & Sons Auto we check the condition of the transmission fluid on every car that we see in hopes we can help our customers be proactive and avoid an expensive transmission replacement.
Posted on March 27, 2018 | Comments Off on Vehicle Transmission Maintenance
When people buy a house – it’s considered an investment. You do the necessary legwork up front such as home inspections and appraisals to understand the longevity the home has, and to take comfort knowing the home is safe. This approach can easily be translated to the automotive world. Too often, consumers make a big investment in vehicles without doing the proper research. Private sales through things such as social media sites and roadside signs, or through used car dealerships can’t necessarily be trusted. Unless you have a skilled eye for finding problems on cars or automotive repair training – then you may have no idea what you’re buying.
We want you and your loved ones to feel safe and confident in your used car purchase – even if you don’t purchase your vehicle from us (Even though we have great vehicles for sale). We offer a pre-buy inspection for those who want peace of mind. We encourage those buying a secondhand vehicle (without a reputable dealer warranty), to have a pre-buy inspection and second opinion before investing your money into a vehicle. This approach allows you to make an informed decision on going forward with purchasing the car, or provide with the tools to make the decision if you want to make the investment.
During our pre-buy inspection, we check all the same items that would be checked for a New Hampshire state inspection and beyond. We also check the exterior for scratches, dents, rust, and possible signs of previous accidents. On the interior, we review lights, radio, GPS/navigation, mirror operation, heated/cooled seat mechanics, power seat mechanics, seat belt safety, HVAC system, cabin air filters, and run diagnostics. We test drive the vehicle looking for shaking, grinding, alignment or steering issues, wheel bearing noises and beyond. Under the hood, our mechanics ensure to check all fluids for condition and quality. Lastly, under the vehicle we double check for rust in rockers, body, frame, brake lines, fuel tank and/or straps. This includes a full inspection on tires, steering, suspension, exhaust, and brake parts.
An educated decision whether to buy a vehicle gives you control over your investment. If you have questions or would like to schedule a pre-buy inspection – call us at 603.623.9295 or schedule an appointment.
Posted on August 24, 2017 | Comments Off on Why our mechanics recommend pre-buy inspections…
An ignition system is a system for igniting, using an electric spark, a mixture of fuel and air in a gasoline engine. Today these items include spark plugs (used for sending spark to the fuel/air mixture); wires or coils (an ignition coil is a coil in a car’s ignition system that carries the voltage from the battery to spark the spark plugs in the ignition. Coils are electronic transformers that transform low-voltage pulses from the DC supply into higher voltage currents needed to spark machine engines); a battery (provides power to the vehicle when the vehicle is stationary); ignition switch (controls the amount of power flowing from battery to the ignition system); as well as some other parts depending on your vehicles age and design. A properly working ignition system means a properly starting engine and reliable performance from your vehicle.
Vehicle owners who decide to neglect normal maintenance service intervals can wind up having multiple costly repairs down the road. At Bob & Sons Automotive we recommend sticking to your vehicle manufacturer’s service recommendations. This will help keep your vehicle on the road longer while sustaining less breakdowns.
Attached to this article you will find a picture of an ignition coil for a Honda Fit. This coil looks brown in color because the rubber boot that protects the cylinder and spark plug from moisture and debris was worn out. The worn out boot allowed water into the cylinder and rusted the spark plug threads into the cylinder head.
This is just another example of why you should have your vehicle regularly serviced at a qualified auto repair shop. Remember: a little maintenance today keeps the big repair bills away.
Thank you for reading our Bob & Sons Shop Talk blog, if you would like us to talk about a specific issue or topic please reach out to bobandsonsauto.com or call the Shop.
Posted on August 16, 2017 | Comments Off on Why do I need to service my ignition parts?
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Manchester, NH 03102
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