Maintenance
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MAINTENANCE
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The right maintenance depends on your specific vehicle and driving conditions. Your vehicle’s user manual outlines the specific needs.
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Generally, we recommend getting an oil change every 5,000 km with conventional oil and every 8,000 km with synthetic oil.
If you drive near lots of dust and debris, such as on dirt roads or in new build communities, we recommend more frequent oil changes, as these and other environmental factors lead to dirtier oil.
Regardless of where or how much you drive, your vehicle needs at least one oil change a year, even if it’s parked for most of the time.
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We recommend rotating your tires every 10,000 km to ensure even tread wear and a more comfortable ride as well as increase the life of your tires.
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Changing your engine air filter depends on where and how much you drive. If you drive in heavy traffic in hot weather, unpaved/dusty roads, or you regularly rack up a lot of miles, you will likely need to change your filter more often, as it will get dirtier faster. If you don’t drive much, you can probably hold off longer. Generally, you should replace the air filter when you can no longer see through it.
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We recommend replacing shocks and struts at 120,000 to 140,000 km. Weak shocks and struts can cause problems with tire wear, brake wear, braking distances and handling. Premature brake wear can be a symptom of worn ride control. For example, if the ride control components are weak or worn, it will cause weight of the vehicle to transfer to the front wheels very quickly when the brakes are applied, which could result in more loading on the front brakes and cause them to wear out prematurely.
Worn ride control components can be a source of vibration issues with low-profile tires. If technicians don’t eliminate vibration through road force variation balancing, the answer may be replacing worn shocks and struts with premium units designed for the challenges presented by low-profile tires. The vibrations in properly balanced low-profile tires are due to the combination of lightweight suspension components made from materials like aluminum (instead of forged steel) and stiff sidewalls.
In older vehicles, tire cupping suggests worn ride control components. However, low-profile tires and lightweight suspension materials are reducing instances of tire cupping. You don’t see tire cupping as often as you used. Issues with ride control wear are showing themselves as accelerated tire wear. The tires may not have large-cupped areas but they may be wearing more quickly. Even more evidence would be vibrations in the vehicle that aren’t resolved even after the tires are balanced properly.
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The timing belt is an essential part that synchronizes the timing of your vehicle’s combustion process. First, the pistons travel up and down in the cylinder, then intake valves open at the right time to let in air fuel. After, they close at the right time to allow the fuel to burn, then the exhaust valve opens at the right time to let out the exhaust. And it all happens a thousand times a minute.
Regular inspections are essential and can save you a lot of money.
Timing belts wear out naturally over time and a worn or broken timing belt can cause very expensive engine damage. The timing belt should be replaced according to the manufacturer’s recommendations; usually every 100,000 km.
A broken timing belt will cause your vehicle to break down immediately. The worst case scenario is when a valve opens at the wrong time and collides with the piston. The result is bent valves and maybe even more damage to the cylinder head.
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We recommend caliper replacement at 90,000 km. Most calipers rely on the flex of the square cut seal to retract the piston. That seal starts to deteriorate around 90,000 km. The caliper may not leak, but it can’t retract the piston the way it used to, so the brakes wear out early.
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Designed to filter the air that comes into the vehicle, this air filter should be inspected at every oil change and replaced as necessary. A dirty Cabin Air Filter will restrict the flow of air into the cabin which reduces the ability of the Climate Control system to heat and cool the interior of the vehicle.
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The vehicle’s wheel alignment should be checked every spring as part of a preventative maintenance schedule. Misalignment is the number one reason that tires wear out prematurely.
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21 Point INSPECTION with every oil change
At Harper’s we perform a 21 Point Inspection with every oil change.
Air Filter
Cabin Air Filter
Belts
Hoses
Wipers & Washers
Lights
Anti-freeze
Transmission Fluid
Shocks/Struts
Front Brakes
Rear Brakes
Battery Load Test
Front Tire Condition
Rear Tire Condition
Front & Rear Diff. / T case