2.1 Protecting Engine Bay Electrics

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2.1 Protecting Engine Bay Electrics

2.1 Protecting Engine Bay Electrics

The first part of any engine clean is to ensure all sensitive engine components are protected from water ingress.

Equipment:

  • Detailing tape
  • A few plastic carrier bags
  • Heavy duty cling film

What you need to cover:

  • Air intake – you don’t want water in the breathing pipes!
  • ECU – Electronic Control Unit – electricity and water do not mix.
  • Battery connections – just to prevent rust formation.
  • Electric plugs – electricity and water do not mix!
  • Alternator – it’s the electrical power house for your car.
  • Alarm housing – sensitive electronics tend to short circuit on contact with water.
  • Headlamp connections – you do not want water collecting inside the headlamp housing.

Method:

  • Step 1 – Make sure the engine is completely cool before attempting to wrap the components!
  • Step 2 – Using detailing tape and some cling film cover the smaller electrical components such as plugs, battery connections and connections for headlamps.
  • Step 3 – Larger items such as the ECU and alternator are more easily covered¬†using plastic carrier bags. If the bags have holes punched in them, use two bags. Whilst the seal doesn’t have to be 100% water tight as the engine is not going to be immersed in water, you do not want to pour water directly in through one of those holes.
  • Step 4 – Remember, when covering the sensitive components the finished article does not have to look aesthetically pleasing – it’s better to have them wrapped properly and not risk mixing water into a vital part of the engine.

Category: 2. Engine Bay Preparation

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