Lehigh Fleet Services
1002 PEMBROKE RD BETHLEHEM, PA 18017 | (484) 241-3211

Engine and Exhaust

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Cooling System

We’re often asked questions about the cooling system – the system that cools your engine and keeps it at the proper operating temperature.  Let’s examine the topic in two areas:...
Published on: Oct 12, 2025

How Cool is That! (Coolant level sensor replacement)

Your vehicle’s engine runs hot.  It should, since it’s a series of little explosions that create the power that gets you going where you want to go.  To keep the engine cool, eng...
Published on: Sep 28, 2025

Radiator Fans

If you’re old enough, you’ve heard the term “fan belt." Back in the day, the radiator fan in your vehicle was turned by a belt driven by the engine. There are still belt driven fans,...
Published on: Sep 14, 2025

Lehigh Fleet Services Advice on Your Cooling System

Last week I was out running errands and my temperature warning light came on – total panic!  I pulled over and my car was overheating After it cooled down, I went right in to my service ce...
Published on: Jun 22, 2025

Air Blend Box

BETHLEHEM drivers push a few buttons or turn some knobs, and voila! They have air blowing on their feet or cool air chilling their face. But how does all that happen? Well, it's all thanks to the...
Published on: Feb 16, 2025

Thermostat

{{ image('MzU0') }} The thermostat is part of your cooling system. BETHLEHEM residents' vehicle thermostats perform a similar function to the thermostats in their homes. At home, you set yo...
Published on: Jun 09, 2024

Lehigh Fleet Services Tech Question On Your Cooling System

{{ image('MzM3') }} Lehigh Fleet Services Tech Question:I was driving down the freeway in BETHLEHEM and smoke started coming out of my car. I pulled over and called my husband. I had to be towed to m...
Published on: Mar 10, 2024

Simple Answers from Lehigh Fleet Services for BETHLEHEM: Cooling System

{{ image('MzUx') }} Question:My engine never overheats. Why should I get a cooling system service in BETHLEHEM?Lehigh Fleet Services Answer:That's a really good question for BETHLEHEM drivers to ask,...
Published on: Feb 12, 2024