Hewitt's Auto Service
340 GRANITE ST YARMOUTH, Maine 04096 | (207) 846-4366

Engine and Exhaust

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A Long Lasting Cooling System For , Driving

Our vehicles operate in a wide range of outside temperatures.  That’s why vehicle manufacturers use testing grounds from the frozen tundra to the blistering desert.  Your engine antifr...
Published on: Oct 15, 2023

Hewitt's Auto Service Tech Question On Your Head Gasket

Question My name is Landon.  I bought a new minivan and it started smoking out the tail pipe.  They said my head gasket went out.  What can I do to prevent this from happening again? ...
Published on: Jan 08, 2023

Thermostat

The thermostat is an important part of your cooling system. Your vehicle’s thermostat performs a similar function to the thermostat in your home. At home, you set your thermostat to maintain a c...
Published on: Dec 24, 2022

Hewitt's Auto Service 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: Oct 21, 2022

Heater Core

{{ image('MzU0') }}  drivers may wonder where the air in a vehicle's passenger compartment comes from. Well, as your engine starts to warm up, it also warms the coolant/antifreeze...
Published on: Jan 15, 2022

The Hot Switch (Coolant Vacuum Valve Switch)

When the weather gets cooler, you want the cabin of your vehicle to stay warm.  When you switch on the heat, you may find the air that comes out of the vents just isn't hot.  The problem co...
Published on: Jun 21, 2020

Prevent Cooling System Problems In

Cooling system problems are the most common reason for mechanical failure.  And, they’re largely avoidable.  Here’s what you need to know about your cooling system.  First, ...
Published on: May 27, 2020

Cooling System Service At Hewitt's Auto Service

{{ image('MzA1') }} Last week I was out running errands in and my temperature warning light came on – total panic! I pulled over and my car was overheating.After it cooled down, I we...
Published on: Apr 03, 2020