Engine Compartment Archives - Page 4 of 72 - UnderhoodService
Oldsmobile: Engine Overheats, Replaced Engine Coolant Thermostat

Model: 2003 Oldsmobile Alero Complaint The customer states the engine is overheating. Sometimes DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control will be present. Cause Observed the engine coolant temperature gauge, and found the engine coolant temperature exceeded allowable specifications. Observed the engine, and confirmed the engine cooling fan was operating

Engine overheat oldsmobile
Be Careful When Replacing That Diesel Air Filter

Modern passenger and light-duty diesels with ECMs have mass airflow sensors and precisely control fuel ­delivery. Key to the efficiency and lifespan of the diesel engine is the diesel air filter. A restricted air filter will not affect fuel economy but will drastically affect power output. We asked prominent filter manufacturers for some diesel air

diesel air filter replacement gauge
US Motor Works Named Water Pump Supplier For The New Elio Ultra High Mileage Vehicle

US Motor Works LLC, a manufacturer and distributor of water pumps, fan clutches, electric fuel pumps and timing kits for the automotive and heavy-duty industries, has been selected as the water pump supplier for the new, ultra-high mileage vehicle by Elio Motors. Founded by car enthusiast Paul Elio in 2008, Elio Motors Inc. represents a

Spectra Premium Introduces A New Line Of Cooling Fan Assemblies

Spectra Premium Industries has introduced a new line of Cooling Fan Assemblies that will be available Nov. 1. Spectra Premium says this new line of cooling fan assemblies complements the company’s existing categories of radiators and A/C condensers in supporting both the traditional replacement and collision markets. The introduction of these new cooling fans will

How Ford’s New Grille Shutters Control Airflow

Some new Ford vehicles feature active grille shutters — a new system that optimizes aerodynamics by using vents to control airflow through the grille to the cooling system and engine compartment. If air is required to cool the engine, the vents are opened. If no airflow is needed, the vents are shut, contributing to significantly

Ford Edge Airflow Cools Engines
How Engine Coolant Temperature Sensors Influence The Modern Powertrain

  Considering that roughly 1,500 or more ­different vehicle models are introduced into our domestic market each year, it’s becoming more difficult to predict how a powertrain control module (PCM) will utilize data from a particular sensor or detect an out-of-range sensor in any single vehicle platform. The engine coolant temperature (ECT) ­sensor provides a

ECT sensor data diagnostics
CRP Automotive Introduces Environmentally Friendly Pentofrost E Antifreeze For Multipurpose Applications In Water-Cooled Engines

CRP Automotive, a leading source of OE-quality replacement parts for Asian and European import vehicle applications, has introduced Pentofrost E, a multipurpose antifreeze concentrate produced through an environmentally friendly process. According to CRP, this new product delivers the same performance as Pentofrost ++ while meeting the OE specifications of Audi/Volkswagen TL 774 J. It also

Penray Introduces Synthetic Media Heavy-Duty Coolant Filters

Penray has introduced a new line of heavy-duty coolant filters featuring synthetic media with what it calls “triple-layer engineering.” The new Penray synthetic media coolant filters are designed to last up to 150,000 miles, 15 months or 3,000 operating hours, and are fully compatible with conventional coolants as well as new-generation Extended Life Coolants (ELCs).

ACDelco Offers Environmentally Friendly Refrigerant

ACDelco is now offering R-1234yf refrigerant, a new, environmentally friendly air conditioning refrigerant that has a 99.7 percent lower global warming potential (GWP) than R-134a. The new ACDelco refrigerant is sold in 4.5 kg containers (No. 19260234) and is available for use in certain GM models starting with the 2013 Cadillac XTS and the 2014

10 Paths to Water Pump Problems

Know your leaks Leaks are the most common sign of water pump failure, but what type of seepage are you seeing and what does it mean? A coolant leak coming from the weep hole is a sign of water pump bearing or seal failure. This weep hole often resides between seals that separate the oil

Chevrolet Camaro Coupe engine
Telltale Signs Of Cooling System Component Failure

Springtime brings with it the vacation season when many families will hitch a boat or camping trailer to their fully loaded family car, SUV or pickup truck and travel to some remote wilderness hideaway. Needless to say, both the parents and their vehicle’s cooling system will be stressed out long before the trip is over.

Cooling system signs of failure
Compressor Logic: How Does The Water Get In The Lines?

Nothing is more frustrating than hitting the trigger on an air tool and a stream of water comes out the exhaust port. But, where did it come from? What can be done to prevent it from getting to your tools? Water is all around us. It is in the form of vapor mixed with collection