Download 2019 Acura RLX Engine Block Heater Installation Instructions – 1. Disconnect the negative cable from the battery. 2. Allow the engine and all cooling system components to cool down. 3. Remove the front bumper: • Apply masking tape to the areas shown on each side. • Wrap a shop towel around the hood latch. • Remove the front grille cover (4 retaining tabs and 15 clips). • Pull out on the front fender trim and insert a shop towel on each side. • Remove the four bolts and six clips. • Using a plastic trim tool, remove the front upper trim (three retaining tabs).
• Remove the 14 clips and 2 self-tapping screws. • Release the seven retaining tabs on each side. NOTE: Remove the retaining tabs in order from outside. Make sure to remove the retaining tabs in the correct orientation. • With the help of an assistant, remove the front bumper. Place the front bumper on a blanket to prevent damage. 4. Remove the intake air duct (one clip). 5. Disconnect the negative cable from the terminal (one nut). Open the positive cable cover and disconnect the positive cable from the battery.