expansion valve safety precautions

Safety Tips When Working on Expansion Valve

Before you service an expansion valve, guarantee PPE compliance and a clean work area. Confirm fit and use eye protection, gloves, and hearing protection based on risk, and inspect gear daily. Use lockout/tagout to isolate power and depressurize the system, then verify de-energization before touching any components. Handle refrigerants with labeled containers, monitor for leaks,…

thermostat repair oil issues

Common Mistakes When Repairing Thermostat That Lead to Excessive Oil Consumption

When repairing your thermostat, ignoring symptoms of a failing unit, using incorrect replacement parts, and neglecting to flush the cooling system can lead to excessive oil consumption. Improper installation techniques may create leaks, while failing to check related components can compromise functionality. Regular maintenance checks are essential to prevent such issues. Addressing these common mistakes…

flush ac system timing

When to Flush the AC System and Why

You should flush your AC system when you notice contaminated refrigerant or sludge, reduced cooling efficiency, unusual compressor noises, or icing on refrigerant lines. Flushing removes sludge and debris that clog passages, protects seals, and preserves overall longevity. It’s most needed with dirty evaporator coils or clogged condensate lines, and when you’ve had recent repairs…

preventive maintenance for longevity

Preventive Maintenance to Avoid Hard Starting in High-Mileage Car

To prevent hard starting in your high-mileage car, you need to prioritize maintenance. Regularly inspect and replace the battery, ensuring terminals are clean and connections are tight. Keep your fuel system efficient by using quality fuel and replacing clogged fuel filters. Don’t overlook the ignition system; check spark plugs and ignition coils for wear. Finally,…

brake lines maintenance decision guide

When to Resurface Vs Replace Brake Lines

When deciding between resurfacing or replacing brake lines, consider the severity of wear and damage. If there’s minor corrosion or surface imperfections, resurfacing might suffice. However, significant corrosion, leaks, or compromised integrity indicate that replacement is necessary for ideal safety. New brake lines offer advanced materials that enhance performance and longevity. Evaluating your options early…

diagnosing power loss issues

Tool Guide: Using a Mechanic’s Stethoscope to Diagnose Loss of Power

To diagnose power loss using a mechanic’s stethoscope, start by identifying common symptoms like sluggish acceleration and unusual noises. Place the probe on suspected components to amplify sound, ensuring you listen for anomalies. Use proper listening techniques to differentiate between normal and failing sounds, such as high-pitched whines or deep rumbles. Combining this with additional…

brake pull causes and solutions

Top Causes of Brake Pull to One Side and How Mechanics Fix Them

Brake pull to one side is often caused by uneven brake pad wear, misaligned suspension components, tire issues, contaminated brake fluid, or faulty brake calipers. Mechanics typically address these problems by inspecting and realigning brake components, replacing worn pads, repairing or replacing calipers, bleeding brake lines to remove air, and checking tire pressure. Regular maintenance…

timing belt replacement guide

When to Replace the Timing Belt: Signs, Procedure and Cost

You should replace your timing belt if you notice visible wear, cracks, or hear unusual engine noises. Signs like engine misfires or rough idling indicate timing issues. It’s essential to regularly inspect the belt, checking tension, alignment, and for missing teeth. The replacement involves specific tools and steps, including aligning timing marks and removing components….