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Mechanic

Navigating the engine bay

Navigating the engine bay
Navigating the engine bay 1. Fuel Inlet pipe
This is where the fuel enters the Injection manifold
2. Injection Manifold
This is where the fuel is mixed with air and then injected into the engine for combustion
3. Servo Unit
this uses the vacuum created in the injection manifold to aid braking
4. Brake fluid resevoir
Keep this topped up but watch out for leaks and loss due to low brake linings
5. Suspension strut.
This is where the shock absorber (top) bolts to the inner wing
6. Oil Filter
This filters the oil that flows round the engine. Replaced during service.
7. Ignition Leads
These carry the power from the distributor to the spark plugs to ignite the fuel mixture
8. Air intake
This is where the air enters the engine. this tube leads to the air filter which is replaced in service
9. Top Water Hose
This is usually the highest point of the water cooling system.
10. Alternator
This produces electricity which charges your battery to power the electrical system etc..
11. Thermostat Housing
Remove this cover to replace the thermostat
12. Radiator
Cools the water system with the aid of a fan driven at the water pump. Drain tap usually located at the base.
13. Fan Belt
Uses the turning of the crank to turn and power alternator, water pump, power steering pump and air conditioning
14. Water Pump
Driven by the fan belt pumps water around the engine to provide cooling
15. Rocker Box Cover
Covers the camshafts in OHC engines or Rocker Valves in OHV engines
16. Oil Filler Cap
Remove this cap to add oil to engine.Check level with dipstick
17. Dipstick
Use this to check level of oil in engine (Should read max)
18. Radiator Filler Cap
Remove this only when engine is cool to add water.(Some cars may have an expansion bottle where you can add water)
Knowing your way around the engine is important if you want to do your own routine maintainance. This picture is for illustration pupoes only. you might find that your engine bay is arranged differently but this should be a good guide what to look for.


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