The 1973 Chevrolet Corvette is fairly infamous for its many cooling problems. This high-performance vehicle's old brass radiator does not hold up to the task of cooling its large V-8 engine, especially when also running an air conditioner. Many owners opt to switch out their old brass radiators for new aluminum ones, which are 30 percent more efficient and have the added benefit of being much lighter, therefore contributing to the Corvette's overall performance.
Tools Used: Ratchet wrench, Standard sockets, Screwdriver, Coolant, Large liquid container, New radiator
Install Radiator
Lift the front end of the Corvette with a jack. Use jack stands to ensure safety when working under and around the car.
Drain the coolant system by removing the drain plug underneath the radiator. Use a large container to catch all the liquid, and dispose of it properly.
Use the screwdriver to loosen all the clamps on the hoses attached to the radiator. Then pull these hoses off to disconnect them.
Using the ratchet wrench, pull out all the bolts that secure the radiator into the stock brackets.
Loosen the bolts on the core support with a ratchet wrench, and move the core support out of the way.
Lift the old radiator out of the Corvette.
Slide the new radiator into place.
Tighten the core support bolts with the ratchet wrench, and attach the new radiator to the stock brackets.
Check all old hoses and clamps for wear and tear. Replace any that are not in good condition.
Reattach all hoses, and secure them in place with the clamps and the screwdriver.
Check the new radiator for clearance. Make sure no bolts are rubbing against the radiator or any hoses.
Make sure the drainage plug is in place, and refill the system with coolant.
Tips & Warnings
When sliding in the new radiator, it is easiest to get the passenger side first, clearing the radiator of any control arms before trying to set the other side in place. Use a small amount of aviation sealer on the inside of the hoses before reattaching them. This will help prevent leaks.
Never work on the engine cooling system until it has been given adequate time to cool.
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