Why is my car heater not blowing hot air?
Troubleshooting car heater problems? Not blowing hot air? Heater only works on high? Find out what may be to blame here.
water Tips and Tutorials Archive
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Understanding your car’s cooling system
Would you know what to do if part of your car's cooling system conked out in hot weather? Here's what it comprises...
Coolant leak: where’s that fluid coming from?
Coolant level dropping? You may have an obvious leak from a pipe, or it may be something more serious: an internal coolant leak.
How to use a pressure tester to find a coolant leak
Tracing a coolant leak can be frustrating. Haynes’ technical editor Martynn Randall explains how to use a pressure tester to get to the source of the problem.
How to check and change your car’s coolant
Wondering which coolant to use, how to fix a coolant leak or how an expansion tank works? Haynes shows you how with this video guide.
3 ways your thermostat can fail (and what you can do about it)
Your thermostat is responsible for helping coolant flow through your engine, but only if it’s working. Here are three ways it might fail, and how to sort it.
Common problems with water pumps (and how to make them last)
While water pumps are generally very reliable in their operation, they can and do leak. This can be due to where the pump joins to the engine block – the gasket can deteriorate and leak, or the actual impeller/bearing can begin to leak over time.
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How to fix water leaking into a car
Found water in the footwell of your car? It could be caused by a faulty seal letting rain in or it may not have anything to do with the weather. Haynes can help you fix your leak.
Car water pump guide: how it works and what goes wrong
A car water pump is vital to a car engine’s operation – here is a guide to the component, how it can go wrong, and some expert tips on maintenance for DIY mechanics.
What is a car’s heater matrix?
A heater matrix forms part of a car’s cooling system, but instead of solely being used to cool down the vehicle’s coolant, it takes the heat from that coolant and uses it to warm the car’s cabin.