SOURCE: 2002 Dodge grand caravan
It would appear that the relay is located on the cross rail that runs across the front of the vehicle (in front of the radiator). I found out that it is riveted in place by a single rivet, so in order to replace mine, I will have to remove the rivet and use a self-tapping screw to secure a new one.
The fan relay is located in the fuse panel located under the hood beside the battery. It will be marked under the lid. Make sure you check the maxi fuse for the fan also.
SOURCE: Where is the drain valve on 2002 dodge caravan radiator?
Cooling System
Draining & Filling
To Drain:
WARNING
To avoid serious injury, allow the engine to cool before opening any part of the cooling system. The coolant is under pressure and may boil if the pressure is released while the coolant is hot.
Allow the engine cooling system to cool and open the drain at the lower left side of the radiator before removing the pressure cap. This will drain the coolant from the reservoir.
After the coolant reserve container is empty, remove the pressure cap.
Remove the cylinder block drain plug(s).
To Fill:
Remove the radiator pressure cap and fill system with a 50/50 mix of good quality 5 Year/100,000 mile engine coolant and distilled water.
Continue filling radiator until full and install the cap.
Fill the coolant reservoir container to the MAX mark with the same coolant mixture.
Allow the engine to come to normal operation temperature and cool down completely and recheck the coolant level. Add coolant to between the MAX and MIN mark.
SOURCE: how to reapair a radiator leak on 2002 dodge caravan
take radiator out and take to radiator shop have repaired .
SOURCE: Dodge 2000 minivan,water pump leaking
Make sure it's cool, pop the radiator cap, Remove the shield on the passenger side between the tire and front of engine. Relieve the tension on the serp belt,draw yourself a diagram of the pulleys and belt routing in case the sticker is gone on the strut tower, remove the serp belt. Take the bolts out of the pulley on the front of the water pump (3). Remove the lower radiator hose at the front cover to drain the coolant. Remove the 6 mm bolts holding the water pump to the front cover housing. tap on the pump with a rubber hammer. Install a new gasket on the new pump, and a weap hole diverter in the pump (round black about hte size of a quarter), use old one if there's no new one. Install pupm and tighten bolts snug with a 1/4" ratchet. Install pulley and 3 bolts. Install belt, top off radiator with 50/50 mix green coolant. start engine and run to operating temperature,make sure the belt is seated in all of the pulleys and is running true, radiator fans should come on. Shut engine down and let cool overnight. Check level in radiator and overflow bottle, top off as necessary.
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