Heating / Cooling Archives - Page 2 of 149 - UnderhoodService
Cooling System Leak Testing

What replaces the conventional water pump and thermostat is electronic thermostats and electric water pumps.

Mini Cooper Water Pump Service

The water pump is turned by a metal wheel driven by the crankshaft pulley.

Cavitation: Killer Of Water Pumps

The condition of the coolant has a direct relationship to cavitation in pumps.

Curing Springtime Air Conditioning Smells

Air conditioning scents can come from a host of things.

Audi Tech Tip: Passenger Compartment Not Warming Up?

Code B10D004 will indicate a coolant circulation pump failure.

Water Pump Replacement: Nissan VQ-35 Series

At the top of the list of the most difficult water pumps to ­replace are those found in the Nissan VQ-Series V6 engines. The pump is turned by the timing chain and is nestled in the engine block. This can make for a very difficult job no matter if the engine is mounted transversely or longitudinally.

Could Your A/C Recycling and Recovery Machine Be Overcharging?

The amount of refrigerant required by vehicle A/C systems has decreased during the past two decades.

Losing Your Cool: When Compressors Go Bad

A bad A/C compressor and a bad
explanation steered me to an
aftermarket solution.

R1234yf Refrigerant Service

It is not a question of if but when you’ll have to deal with R1234yf refrigerant. Here’s what to expect.

How To Replace The Water Pump On A 2007 Toyota FJ Cruiser

This job is moderately difficult because of multiple components that need to be removed.

Staying Cool With Electric A/C Compressor Service

If you follow the recommended service procedures, repairs will go as “cool” as the air coming out of those A/C vents.

Check the Label Before Replacing A/C Refrigerant

Never attempt to service a car’s air conditioning system without first checking the SAE J639 sticker.