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.
water Tips and Tutorials Archive
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How to stop water leaking into a car
Is water leaking into your car when it rains? It could be caused by a faulty seal letting rain in or it may not actually have anything to do with the weather.
How to check your cooling system for summer
Car overheating? Temperature gauge higher than normal? Here are a few things to check to help you and your car keep their cool this summer.
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.
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.
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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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.