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Glossary
of 4x4 Terms - Page
2: D to J
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Tech Section MENU
Articles - collection of links to tech articles on the web Driving techniques - 4x4 driving tips for various offroad conditions Glossary - explanations of 4x4 tech terms A-Z LPG
- Advantages and Disadvantages of converting
to LPG fuel
Recovery techniques - basic information on how to recover a stuck vehicle Tyres - advice on care, maintenance and sizes |
Dampers - otherwise known as shock absorbers. |
| Diff guard - metal plate protecting the differential from impact damage | |
| Diff lock - a differential which can be locked such that both wheels are driven, regardless of the traction each wheel is obtaining. | |
| Drag link - connects the steering box to one wheel and controls the direction of the wheel. | |
| Driveshaft - a single rotating shaft that turns the wheel. Also called a halfshaft or axle shaft. | |
| EGR Valve - A valve which allows exhaust gases to be mixed in with the air intake | |
| Electric cooling fan - replaces engine-driven fan to conserve power and fuel. Thermostatically controlled to operate only when engine cooling is necessary | |
| Electronic Control Unit (ECU) - A computer which contriols such things as ignition and fuel systems | |
| Engine management system - A computer which manages the fuel injection and ignition systems in an integrated way | |
| Engine pre-heating system - a mains powered heating element which fits into the engine block to raise water temperature prior to starting | |
| Halfshaft - a single rotating shaft that turns the wheel. Also called a driveshaft or axle shaft. | |
| Hybrid Engine - a conventional fuel engine mated to an electric motor. The combination reduces fuel consumption significantly. | |
| Intelligent Battery System (IBS) - provides in-car management of multiple batteries used to power winches, fridges etc. | |
| Jackable sills - bolt-on chassis extensions which allow the side of the vehicle to be jacked up using a high-lift jack | |
