3.4. Removal and installation of a radiator

Before work let's the engine cool down completely.

If you are going to remove a radiator because of emergence of leaks, remember that insignificant leaks can be eliminated, without removing a radiator, using special sealant.

If the radio receiver of your car is equipped with system of protection against theft, make sure that you gathered the correct code before a battery detachment.

If after connection of the battery of an inscription on an instrument guard appeared not in that language, address the Section System of Protection of the Audio System from theft and language of an instrument guard where the procedure of installation of the necessary language is described.



  1. Disconnect a negative wire of the battery.
  2. Merge the cooling system (see the Head Routine maintenance of the car). If a cooler rather new or in good shape, do not pour out it that then to use again.
  1. Weaken collars of hoses...

... also disconnect hoses from a radiator.

  1. If they stuck, take each hose at the end flat-nose pliers for the water pump, softly turn to break sealant, then remove - be careful not to deform and to break output ports of a radiator! If hoses old or worn-out, cut off them and replace new.
  2. On M20 and M30 engines disconnect a hose of a broad tank from a jellied mouth of a radiator.
  1. Give screws or remove plastic fastenings of a casing of a radiator and take a casing aside of the engine.
  1. On some engines it is possible to remove a casing completely.
  2. If the car is equipped with AT, disconnect lines of cooling of transmission liquid from a radiator. Put the pallet for collecting the spilled liquid. Zakuporte open ends of lines and unions.
  1. Disconnect the thermoswitches of the auxiliary fan located on radiator tanks.
  1. The switches of high and low speed of operation of the auxiliary fan operated by the thermostat are located in radiator tanks, in different places depending on type of the engine and model of the car.
  1. Give bolts of fastening of a radiator. Bolts are usually located or in the top part, or on both parties of a radiator.
  1. Carefully remove a radiator from the lower support, trying not to damage the cooling plates. Not to a raspleskayta a cooler also do not scratch the painted surfaces of the car.
  2. The removed radiator can be examined on existence of leaks and damages. If he demands repair, address the expert since the special equipment for this purpose will be required.
  3. Dirt and remains of insects can be removed from a radiator by means of compressed air and a soft brush. At the same time try not to damage the cooling plates.
  1. Check radiator support for existence of signs of damages or wear and if necessary replace them.



  1. You make installation upside-down.
  2. After installation fill the cooling system with the recommended antifreeze mix with water. If necessary apply for information to the Head Routine maintenance of the car.
  3. Start the engine and check whether there are no leakages of a cooler. Warm up the engine up to the normal working temperature, the hot top hose of a radiator will serve as an indicator of what. Check the level of a cooler and if necessary make having added.
  4. If your car is equipped with AT, check level and if necessary add transmission liquid.