Need help to replace the serpintine belt on my 1999 dodge grand caravan. tried the belt per the diagram on the engine compartment
but i could not get the tensioner down far enough to put the belt over the pully. tried two belts that were matched with the one that came off.
now the tensioner pully bolt has gotten striped and it looks like i have to replace the tensioner. does anyone have the procedure to remove and replace the tensioner? if so please help.
Route the belt over the big pulley first as you route to the rest of the pulleys the last one should be to the tension pulley guide the belt half way on the tension pully pull the belt with your hand as if the belt is turning with engine. make sure belts in the groves of each pulley.
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Re: 199 dodge caravan 3.3 tensioner
Yes you must jack the vehicle up put it on jack stands for safety, and around the power steeirng pump under neath you will see the nut that is holding it you will need a long extension and a swivel.
should be 15, 14, or 13 mm
when installing the belt itself, you must put it on the idler pulley last that is the other smooth pulley, otherwise it will be a bear to get on. good luck.
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Fig. Fig. 11: Accessory drive belt adjustment-3.3L and 3.8L engines
All of the belt driven accessories on the 3.3L and 3.8L engines are driven by a single serpentine belt. The belt tension is maintained by am automatic tensioner.
Disconnect the negative battery cable.
Raise the front of the vehicle and safely support it with jackstands.
Remove the right front splash shield.
Release tension by rotating the tensioner clockwise.
Remove the belt and install a replacement.
Proper belt tension is maintain by the dynamic tension.
Install the right front splash shield. Lower the front of the vehicle.
sadly without changing out all the pulleys there is no way it can be done .have a mechanic check the alignment of all the pulleys . I had one that had to shim out about 1/2 inch so they all tracked in the middle .
The alternator belt on the 1999 Dodge Caravan also controls the air conditioner compressor, the water pump and the power steering pump. The belt is called a serpentine belt, and it is designed to fit around all of the accessory pulleys at the same time. As the belt travels around each accessory pulley, it enables the accessory to operate. Once the belt is damaged, cracked or frayed, you should change it before it breaks. If that happens, each of the accessories will stop working.
Open the hood and prop it up so that it does not fall. Engage the parking brake.
Inspect the top surface of the fan shroud for the serpentine belt routing diagram. Follow the routing instructions on the diagram to install the new belt.
Locate the serpentine belt self-adjusting tensioner on the front of the engine. The tensioner is directly below the alternator. Use the bolt that connects the tensioner pulley to the tensioner arm to rotate the tensioner.
Turn the tensioner device counterclockwise to move the tensioner. This will relieve the tension from the belt. Once the belt has enough slack in it, slide the belt out from under the tensioner pulley.
Lift the belt off each accessory pulley. Slide the belt around the fan blades and out of the engine area.
Lay the old belt next to the new belt to ensure that the new belt is the correct width and length. Slide the belt around the fan blades and around the crankshaft pulley on the bottom of the engine.
Follow the belt routing diagram to position the belt around the air conditioner compressor pulley, the power steering pump pulley, the water pump pulley and the idler pulley. Once the belt is routed inside each accessory pulley, inspect the belt to make sure that it is securely inside the pulleys.
Crank the 1999 Dodge Caravan for 10 to 15 seconds to completely seat the belt ribs in the grooves on each accessory pulley. Shut the engine off and close the hood.
If the belt routing diagram for the 1999 Dodge Caravan is missing, use a pen and a notepad to draw the exact routing of the old belt and use it when installing the new belt.
go to gates.com and click on the Part Locator & Interchange link on the left, enter your vehicle information, look down and click the camera icon next to the serpintine belt, this is a diagram of how to route it. These engines have a tensioner pulley, it has a 3/8" square drive hole in it to release the tension on the belt, I start at the crankshaft and loop around leaving the tensioner for last, hope this helps, let me know
should not have to remove anything you just put a wrench on the belt tensioner and it moves over. then remove and replace the belt. make sure you draw a belt diagram first if there isn't one under the hood.
Mine fell off twice so far once when going through snow and other was going through rainstorm had to use jack wrench to pry down and slip on belt which was hard to do and don't advise you to try. Ok the pulley directly under the alternator and in the middle of 3 other pulleys is the one that is the tensioner. To do this right use a 15 millimeter or 5/8 socket or open end wrench, the longer the handle the better so you can get good leverage maybe you have a pipe to slide over handle. There is a diagram of the way the belt goes on under the hood. I have a 2000 Dodge Grand Caravan
What engine do you have? The 3.3 and 3.8 engines have a single serpentine belt, and a belt tensioner, so no adjustment is needed. Did you replace the tensioner, and want to know how much to torque it? countrycurt0