Within the 1968 Chevrolet Camaro's radiator are a number of metal columns with small holes that run down the columns. Hot antifreeze enters the top of the radiator from the engine and percolates through the holes in the tubes before reentering the engine through the bottom radiator hose. If the radiator fails to cool the antifreeze, the metal columns have likely corroded. In extreme cases, you will have to replace the radiator.
Tools Used: Large catch pan, Flare-nut wrench, Screwdriver or nut-driver wrench, Wrench, Antifreeze, Water
Install Radiator
Position a large catch pan under the drain cock on the driver's side of the radiator. Rotate the drain cock counterclockwise to drain the antifreeze into the catch pan.
Remove both transmission cooler lines if the Camaro is equipped with an automatic transmission. Both cooler lines are located on the passenger's side of the radiator. Rotate the integral nut on the end of the line counterclockwise with a flare-nut wrench to disconnect it.
Rotate the screw on each of the two radiator hoses counterclockwise with a screwdriver or a nut-driver wrench to slacken the clamps. Pull both hoses off the radiator.
Remove the three retaining bolts on each side of the radiator with a wrench. Lift the radiator out of the engine bay. Lower the new radiator into the engine bay. Insert and tighten the radiator's six retaining bolts with a wrench.
Press the two radiator hoses onto their fittings on the radiator. Tighten the hose clamps with the screwdriver or nut-driver wrench.
Insert the transmission lines into their fittings on the passenger's side of the radiator. Turn the integral nut on the end of each line clockwise with the flare-nut wrench until both lines are secure.
Rotate the drain cock on the new radiator clockwise to close it if necessary. Open the radiator cap. Pour a 50/50 mixture of fresh antifreeze and water into the radiator. Reattach the radiator cap clockwise on the radiator until secure.
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