Larsen Auto Care
940 Petaluma Hill Rd, Santa Rosa, CA 95404 707-535-0720

Engine and Exhaust

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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: Jan 26, 2025

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: Jun 01, 2023

Larsen Auto Care Tech Question On Your Cooling System

Question I was driving down the freeway and smoke started coming out of my car.  I pulled over and called my husband.  I had to be towed to my mechanic.  He said my car had overheated....
Published on: Apr 02, 2023

Heater Core

{{ image('MzU0') }} Santa Rosa 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/...
Published on: Nov 07, 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: Aug 23, 2022

Larsen Auto Care 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: Jan 10, 2022

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 30, 2020

Cooling System Repairs

We all know how important the cooling system is. Coolant/antifreeze circulates around the engine, absorbs heat, and then dissipates it in the radiator.  Cooling system failure can cause extensive...
Published on: Dec 20, 2020