1. **Check coolant level:**
The first step in diagnosing a coolant leak is to check the coolant level in the reservoir or radiator. If the coolant level is low, it may indicate a leak somewhere in the system.

Applications of Water Pumps:
Water pumps find diverse applications across various industries and sectors. Some common applications include:
- Agricultural irrigation systems to supply water to crops
- Domestic water supply systems for homes, buildings, and communities
- Industrial processes such as cooling systems and water treatment plants
- Groundwater extraction for wells and boreholes
- Municipal wastewater treatment plants for sewage handling

5. **Check for steam or sweet smell:**
If you notice steam coming from under the hood or a sweet smell while driving, it may indicate a coolant leak. These are signs that the coolant is leaking and evaporating due to the heat of the engine.

Conclusion:
Transmission systems play a critical role in the operation of various mechanical devices, providing the necessary power transfer and control mechanisms for optimal performance. By understanding the basics of transmission, individuals can appreciate the importance of these systems in different applications and industries. Whether manual, automatic, CVT, or DCT, the right transmission choice can significantly impact the efficiency and functionality of a system.

2. Automatic Transmission: Automatic transmissions use a torque converter to adjust gear ratios automatically without the need for manual gear changes. This type of transmission is user-friendly and ideal for everyday driving, offering smooth operation and improved fuel efficiency.

It's important for car owners to be able to diagnose and identify coolant leaks in order to prevent costly repairs and keep their vehicle running smoothly. In this article, we will discuss how to diagnose coolant leaks and some common causes of leaks.

Applications of Transmission:
Transmissions are used in a wide range of applications, including:
- Automotive vehicles: Cars, trucks, motorcycles, and buses utilize transmissions to transfer power from the engine to the wheels, enabling acceleration and speed control.
- Industrial machinery: Manufacturing equipment, agricultural machinery, and construction vehicles often incorporate transmissions to regulate power transmission for efficient operation.
- Marine and aviation: Boats, ships, airplanes, and helicopters rely on transmissions to drive propellers and rotors, providing thrust and lift for navigation.

Part 3: 2013 GMC Yukon 6.2L PCM Module Installation and Maintenance
3.1 Electrical Installation:
- Always hire a licensed electrician for the installation of electrical systems to ensure safety and compliance with building codes.
- Plan the layout of outlets, switches, and lighting fixtures strategically to optimize functionality and aesthetics.

2. **Inspect for puddles or stains:**
Check the ground underneath the vehicle for any puddles or stains, which may be a sign of a coolant leak. Coolant is usually green, orange, or pink in color, so be on the lookout for those colors.

Introduction:
Transmission systems are essential components in various mechanical devices, vehicles, and machinery, enabling the controlled transfer of power from a source to a load. Understanding how transmission works is crucial for efficient operation and maintenance of many systems. In this article, we will delve into the basics of transmission and explore its different types and applications.

4. **Heater core issues:**
The heater core is a smaller radiator-like unit that provides heat for the cabin. If the heater core develops a leak, it can result in coolant leaking into the cabin or onto the ground.

4. Dual-Clutch Transmission (DCT): Dual-clutch transmissions combine the efficiency of manual transmissions with the convenience of automatic transmissions. These systems use two clutches to pre-select gears, enabling quick and smooth gear changes for enhanced performance.

The AC condenser is located outside the home and works in conjunction with the compressor to release heat from the refrigerant that has been absorbed from the indoor air. When the hot refrigerant gas flows into the condenser coil, it releases heat to the outdoor air, causing the refrigerant to cool down and change back into a liquid form. This process allows the refrigerant to circulate back into the evaporator coil inside the home to cool the air once again.

2.2 LED Lighting:
- Light Emitting Diodes (LEDs) produce light by passing an electric current through a semiconductor material.
- Highly energy-efficient, durable, and long-lasting, making them an increasingly popular choice for residential and commercial lighting.

When replacing a power steering hose, it is essential to use a high-quality hose that meets the specifications of the vehicle's manufacturer. Additionally, proper installation of the hose is crucial to ensure proper functioning of the power steering system.