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this isnt a solution,just a suggestion.my husband,a fairly skilled home mechanic,recently did this.it took 12 hours over a 2 day period.you have to remove everything from the front of the motor,including the motor mounts,to access the pump.make sure you change the timing belt at the same time if it shows ANY signs of wear so you aren't doing the procedure again anytime soon..good luck!!
You didnt mention what engine you have, but if you have the 3.3 or 3.8 liter its actually very simple. Remove the belt, locate the water pump pulley, remove the bolts holding the pulley and the bolts for the water pump are behind the pulley. Remove them and water pump comes out. Reverse steps to install.
Removing and changing the water pump on a 2000 Grand Caravan should only be done if your van has a 3.3 liter or 3.8 liter V6 engine. On any other engine types, including four-cylinder engines, you must remove the timing belt from the engine to access the water pump, which is a dangerous task that can mess up the engine if attempted by an amateur. The procedure is as follows:-------------The water pump is responsible for sending the engine coolant to the engine.First of all remove the serpentine belt then remove the plastic cove on the passenger side behind the wheel. You will have to remove the pulley. Once the pulley is removed unbolt the water pump and remove it. Clean the surfaces and install new pump. Draining the coolant and replacing it is advisable.Drain the engine coolant, twisting and removing the drain plug at the bottom of the radiator -------------------Thats it.
Very easy. You can do this. Just take off the serp belt by pulling down on the tensioner with a 15mm wrench. Then remove the three or four bolts for the water pump pulley. You will need to be under the vehicle for this. Then remove the five or six bolts for water pump. Pull the pump out and install new one in the reverse order. Just slip the belt off the water pump so you don't have to figure reroute the whole thing unless you are replacing it. Also clean the mating service for the pump before installing the new pump with the new gasket. Should take about an hour
On this particular model of the 1998 Dodge Grand Caravan I determined that the upper hose from the water pump had slipped off and anti-freeze squirted on the serpentine belt causing it to slip off. Once the belt gets slick it never stays on. I replaced the belt by loosing the tensioner which is the idler pulley located in the center of the configuration, A big thanks to user motor1258for the configuration diagram.
drain coolant loosen water pump pulley bolts, take off serpentine belt, finish removing pulley, unbolt water pump (5 bolts) and remove scrap off old gasket silicone new gasket to new water pump and reverse steps for installation
JUST COMPLETED THIS JOB TODAY. MAKE SURE THE ENGINE HAS COOLED DOWN . IT TOOK APPROX 2 1/2 HRS. DISCONNECT THE NEGATIVE POST ON THE BATTERY. JACK UP PASSENGER SIDE FRONT AND SUPPORT ON JACK STANDS. REMOVE PASS. FROUNT TIRE. DRAIN RADIATOR INTO CONTAINER FOR PROPER DISPOSAL OR REUSE. USING FLOOR JACK PROVIDE SLIGHT TENSION ON OIL PAN WITH A SHORT 2 X 4 WOOD PIECE TO PROTECT OIL PAN. LOOSEN 3 ENGINE MOUNT BOLTS ON PASS. SIDE OF ENGINE COMPARTMENT. ALLOW APPROX 1" BETWEEN SHOULDER OF BOLTS AND MOUNT. LOWER ENGINE UNTILL BOLTS ARE SET ONTO MOUNT. REMOVE ENGINE SPLASH SHIELD INSIDE WHEEL WELL OF REMOVED TIRE. LOCATE WATER PUMP AND LOOSEN 3 PULLEY MOUNTING BOLTS (THIS IS WHILE BELT IS ON PULLEY) REMOVE SURPENTINE BELT AND CONTINUE TO FULLY REMOVE THE PUMP PULLEY. IT WONT COME OUT AS THE PUMP & PULLEY HAVE TO COME OUT TOGEATHER. REMOVE 5 WATER PUMP BOLTS AND CAREFULLY WORK WATER PUMP OUT BETWEEN THE ENGINE AND VEHICLE FRAME. CLEAN ALL MATING/GASKET SURFACES AND BOLTS. USING A SMALL AMOUNT OF TACKY SEALENT TO INSURE THE NEW WATER PUMP SEAL STAYS IN PLACE, THE INSTALL IS PRITTY MUCH THE REVERSAL OF REMOVAL.
GOOD LUCK, REMEMBER TO TIGHTEN ALL BOLTS TO MFR SPECS AND BLEED THE AIR OUT OF THE COOLANT AS REQUIRED.
Is it a 99 or an 03? Either way fairly simple. You will need to remove the splash shield on the passenger side wheel well. Removing tire is optional. If it is a 99, the pump should be located near the radiator. Loosen the bolts that hold the pulley on the pump before removing the belt. This will save you time later. Remove the belt, then remove the pulley. Take all the bolts out of the waterpump. Install in reverse order. If it is an 03, it is near the firewall side of the motor. Remove shield, loosen pulley bolts. The pulley will not come off until you get the water pump out, but you need to remove the bolts for it any way. Take the bolts out of the waterpump. You will need a pry bar to get the pump/pulley out. You can pry on the tensioner against the fenderwell and wiggle it out. Install in reverse order.