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Engine Oil and Filter Change
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Why?
Most vehicle owners know that oil is important to the engine and needs to be replaced on a regular basis. Engine oil does more than lubricate, it cleans out carbon or soot that is produced by the engine during normal operation, it also keeps vital engine components cool and even assists in sealing mating surfaces within the engine.
Additives are added when crude oil is refined for use in vehicles. Over time, due to heat and moisture contamination, these additives break down and the engine protection provided is reduced. Changing your oil and filter will ensure the longevity and durability of your engine.
When?
As a basic rule of thumb, change your engine oil and filter every 5 months or 8,000 kms (5,000 miles). Always consult your owners manual as some manufacturers have different intervals for this service.
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Brake Fluid Pressure Bleed
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Why?
Brake fluid is a hygroscopic hydraulic fluid that transfers the force applied at the brake pedal to the mechanical components which stop the vehicle. Manufacturers use hydraulic systems because they automatically compensate for brake lining wear during normal vehicle use.
Normal heating and cooling cycles from using the brakes creates condensation which leads to moisture in the system. Unlike brake fluid, water has a low-boiling point and will turn to vapour when heated. This would have a negative effect as it can cause spongy brakes, brake pedal fade and excessive stopping distance.
Hygroscopic type fluids readily absorb moisture. This is to prevent the pooling of moisture in different areas of the hydraulic system. Once the fluid is saturated with moisture, it needs to be changed. Moisture can also cause corrosion of hydraulic system components which can be a more costly repair.
When?
Typically brake fluid should be changed every 2 years or 20,000 kms (12,500 miles). Being in a more humid climate may require you to increase those intervals. Brake fluid can be tested for copper corrosion and/or moisture content during normal servicing.
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