Well I am pretty sure once you find and fix the radiator fan problem your overheating problem will be solved also.
So, first thing to do is to check the coolant fan to make sure it still works and to do that find the Coolant Fan Relay Pic below. Pull relay out, using a test light find the sockets that have power to them make note of them then also make note of sockets that do not have power. Once done take a jumper wire and insert one end into a hot or power socket then insert the other end into one of the sockets with no power if fan comes on fan of course is good, you may have to try all non powered sockets, if fan comes on then take a look at the relay itself note the numbers on it then take a look at the other relays and match up numbers, when find a match swap out the relays making note of the ones you switched. Also make note of what the swapped relay runs, If what the swapped relay runs doesn't work then replace relay. Also run vehicle and see if fan turns on.
Tuesday, July 29th, 2008 AT 4:38 PM