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Remove negative battery cable, Remove both hoses, the big feed and return, remove fan, fan motor and shroud. Take transmission cooler lines off, the smaler hoses if it's an automatic. Remove bolts that hold radiator, and lift straight up. Replace same way opposite. PLEASE capture all fluids and dispose properly. Fill radiator with Propylene glycol (the red kind) 50/50 distilled water. Run about 5 minutes with cap off, top off, Put cap on, drive until engine reaches normal operating temperature, allow to cool and top off again. Never pop hot cap. Overflow tank should be about 1/4 full cold. Check automatic Transmission Fluid, you may have lost some from hoses.

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10y ago
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Q: How do you replace 1990 Toyota Corolla radiator?
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