How to Put Diesel Oil in a Fiesta 1.2 Zetec

Written by david houssein
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Oil is fundamental to the operation of a diesel engine, both lubricating and cleaning the engine's internal parts. If the diesel engine on the Ford Fiesta 1.2 Zetec runs dry of oil, the effect will be catastrophic. To prevent any serious engine damage you must regularly check diesel oil levels in your Fiesta 1.2 Zetec and put oil in if it is low. Since diesel engines have different requirements than engines powered by gas (petrol), only use diesel-rated oil in your diesel Fiesta. Check your owner's manual and select the proper grade based on your climate and driving conditions. As of late 2010, Ford did not offer a diesel-powered Fiesta in the U.S.

Skill level:

Things you need

  • Diesel-rated oil
  • Funnel
  • Rag
  • Car manual

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  1. 1

    Ensure that the engine is cool and you are on a level service then use the lever in the passenger foot well to open the bonnet.

  2. 2

    Use the dipstick to check the current oil level. You need to do this to ensure that you do not overfill the oil reservoir.

  3. 3

    Open the oil filler cap to gain access to the oil reservoir. The area tends to get very dirty, so clean it with a piece of rag so you can see clearly what you are doing.

  4. 4

    Very carefully and using a funnel, pour the oil into the oil reservoir through the oil filler hole. If the oil level was very low when you checked, you may need to use up to 3l of oil. If you are simply topping up the oil level, 1l of oil will be enough.

  5. 5

    Replace the oil filler car. It sounds simple, but not doing it can result in loss of oil and cause massive damage.

  6. 6

    Again check the oil level using the dipstick to ensure that you have put enough into your Fiesta 1.2 Zetec. Ensure that you replace the dipstick tightly. Not doing so may cause all of the oil to leak.

  7. 7

    Close the bonnet and then turn the car key to the ignition position. Wait until the oil light goes out on the dashboard to ensure correct oil pressure before starting the engine. If successful, the oil light will stay off.

Tips and warnings

  • Working on a slope will give inaccurate oil level readings.
  • Do not use petrol engine oil in a diesel engine. The oil will cause engine parts to stick and is not durable enough for rugged diesel engines. Do not use cheap oil as it will need changing more often and will not meet the Fiesta's specification. Do not touch the engine if it hot. Diesel engines can be extremely hot after a long drive and will burn you.

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