THE ALLIANCE PARTS

TECH TALK: HVAC COMPONENT MAINTENANCE ADVANTAGE Alliance Truck Parts has over 30 product lines that serve the commercial transportation industry with reliable new INSPECTION INTERVAL and remanufactured parts and accessories to keep and buses on the road. All Alliance Truck Parts meet or exceed OES specifications for quality, fit and finish; and are backed by a nationwide warranty which means you Have your entire HVAC system inspected at an Alliance Truck Parts location on a yearly don’t have to trade quality for value. Look for Alliance Truck Parts in the following categories: basis to ensure its operating efficiently. Early detection is key; even small leaks or damaged components can spread harm to the entire system, adding up to expensive repair bills and ACCESSORIES | MAINTENANCE | REPAIR & REPLACEMENT increased downtime.

REPAIRING LEAKS NATIONWIDE WARRANTY A QUALITY FIT ON EVERY Alliance Truck Parts are backed by a 1-year/unlimited-mile MAKE AND MODEL If you notice a leak, immediately take your truck in for an inspection at your nearest nationwide warranty* serviceable at over 800 locations, FREIGHTLINER | WESTERN STAR | STERLING Alliance Truck Parts location. Do not use any leak fixing products — they are only a including Freightliner, Sterling, Western Star and Thomas | INTERNATIONAL | temporary fix and can actually increase your repair bills due to excess debris in the system. Built Buses dealerships in the U.S. and Canada and Travel Centers of America and Petro locations nationwide. MACK | | VOLVO | FORD | DODGE HVAC AIR FILTER MAINTENANCE NATIONWIDE AVAILABILITY NEED A PART NUMBER? A dirty or clogged air filter dramatically reduces the airflow into the cab and can cause Find your nearest dealer at alliancetruckparts.com Talk to a representative at any one of our over bad odors. Check and replace your filter regularly to ensure it is clean. The best way to tell 800 locations to find the right part number for if your filter is in good condition is to remove any debris, then shine a light through it, and your make and model of truck. You can also visit if you can see the light, the filter is probably clean. alliancetruckparts.com to view our full catalog of parts and our product lookup and cross-reference tool. CONDENSER MAINTENANCE

Keeping your condenser free of debris ensures it maintains a perfect cooling temperature in your cab. Check and clean your condenser regularly, especially in the Fall and Winter when leaves and other materials build up on the fins. Be careful cleaning the fins; bending or breaking fragile condenser fins can cause problems throughout the entire HVAC system.

DETECTING A FAULTY BLOWER MOTOR

A faulty blower motor will reduce or even stop airflow to your cab decreasing the performance of your HVAC system. If you notice decreased airflow or hear a buzzing, grinding, or humming sound as your turn on your HVAC, take your truck in to an Alliance Truck Parts dealer for an immediate inspection. If left unchecked, a faulty blower motor will eventually lower the pressure of the freon running to your condenser, potentially damaging your A/C system. DTNA/PSM-B-794. Specifications are subject to change without notice. Copyright © Daimler Trucks North America LLC. All rights reserved. Alliance Truck Parts is a brand of Daimler Trucks North America LLC, a Daimler company. *See warranty for complete details and limitations. ALLIANCE TRUCK PARTS ALLIANCE TRUCK PARTS ALLIANCE TRUCK PARTS A/C COMPRESSORS BLOWER MOTORS RECEIVER DRIERS

The compressor is the heart of your truck’s air conditioning Proper airflow is essential for getting the most efficient operation Water and other contaminants can drastically reduce the life and performance system so it has to be built to last. When you need a out of your HVAC system. Alliance Truck Parts blower motors of your A/C system, leading to unexpected downtime for repairs to multiple replacement compressor, choose low-maintenance Alliance quickly and quietly create even air flow across your cab. components. Alliance Truck Parts receiver driers are built to filter out these Truck Parts A/C compressors to ensure your cab is always Each replacement blower motor is built with heavy-duty harmful elements and reduce moisture, prolonging the operating life of your comfortable. Each unit is built with heavy-duty components components for reliable heating and cooling. entire A/C system. and durable features for long life and dependable performance in any make or model of truck. ■■ Extended-life components withstand long run times up to ■■ High flow capacity reduces system head pressure to help prevent 20,000 hours for maximum long-term durability compressor failure ■■ All wear surfaces are made of cast iron for maximum durability, including: ■■ Durable construction prevents damage from extreme vibration ■■ Spring-loaded filter mechanism creates tension on the filter pack to and poor road conditions prevent leaks and internal wear and tear –– Permanent cylinder liners ■■ Low-noise blade design ensures quiet operation and reduced ■■ Specialized XH9 superior filter traps harmful system moisture and –– Piston rings noise in the cab contaminants for prolonged drier life –– Crankshaft ■■ Steel construction withstands punishment from even the harshest –– Shaft seal plate weather and road conditions ■■ Resists damage and prolongs compressor life with heavy-duty components, including: –– High-load ball bearings to handle high pressure loads without failure –– High-strength aluminum alloy pistons and connecting rods that are permanently secured by steel wrist and dowel pins to resist road damage ALLIANCE TRUCK PARTS ALLIANCE TRUCK PARTS –– Pressure relief valves that guard against abnormal pressure conditions –– Field clutch diodes that prevent electrical damage caused by voltage surges CONDENSER COILS HEATER CORE ASSEMBLIES

■■ Swedish steel reed valve assemblies are highly finished for maximum performance and porting to reduce the effects of liquid slugging Keeping your cab comfortable in the hottest weather requires a heavy-duty condenser that can Your A/C system’s heater core is necessary for delivering warm, comfortable ■■ High-quality lubricating system ensures the compressor is lubricated regardless of the quickly cool the air. Alliance Truck Parts condenser coils are built to ensure the most efficient heat air to your cabin even in the coldest conditions. Alliance Truck Parts heater amount of oil mixed with the refrigerant, enabling smooth operation, increased durability exchange and best airflow so your cab cools down quickly and evenly every time. core assemblies are built to resist damage from high pressure or road and high-temperature performance vibrations, ensuring quick heated air delivery every time.

■■ Seven-cylinder design minimizes vibration for reduced noise and improved performance ■■ Multi-flow design prevents component wear and tear by reducing system head pressures and engine fan run time ■■ Pressure-tested and quality-certified to ensure leak-free operation and easy installation ■■ Zinc-plated cross-flow tubes are corrosion-resistant for increased coil life ■■ Large copper tubes allow maximum coolant flow rate for rapid heat delivery and increased performance ■■ Compact 14 fin-per-inch design allows free-flowing air for maximum cooling performance ■■ Brazed copper joints and silver-soldered pressure points prolong core life by creating a heavy-duty seal that prevents leaks and resists damage