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Re: replacement of belt tensioner
Welcome to FY,
Your tensioner is replaced as a unit,
remove the belt.
there is a nut 15mm that holds the tensioner to the engine, the tensioner and pulley comes off together the new one will have a pulley on it too, install the ne one the same as the old one came off. i would replace the belt too.
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Hi, I have pasted the procedure for belt replacement below. To replace the tensioner as well, first take the belt off. Then remove the pulley from the tensioner. This will expose the single bolt that holds the tensioner on. Replace the tensioner and then the pulley (if replacing all). Then reinstall the belt.
Alternator/Power Steering Pump Belt The alternator/power steering pump belt is provided with a dynamic tensioner to maintain proper belt tension.
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 (use a box-end wrench on the tensioner bolt shown in the picture.
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.
Connect the negative battery cable.
Fig. Alternator/power steering pump belt tensioner bolt location
You did not say what motor but about any auto parts store will have that part but you will need to know what motor is in you van.
Also check the belt tension pulley if replacing the belt most of the time you will find it is geting week and needs replaced to maintain proper tightness
rotate crankshaft in a clockwise direction until both timing marks are aligned together on both camshaft gears and the crankshaft timing mark aligns with mark on the block just behind the crankshaft gear. you may need to rotate the crankshaft gear several times before you can get all the timing marks to align. once you have done this then insert a allen wrench in the hole on the belt tensioner and a small drill bit or a small allen wrench in the smaller hole. take the largr allen wrench and apply pressure counterclockwise until the small drill bit or allen wrench slides into locking hole to hold the belt tensioner in place. install belt and release the tensioner. (note: before starting work on engine remove the negative cable from battery).
A simple bolt on assembly, the tensioner for the serpentine belt may need replacement if it fails to smoothly pivot and maintain tension on the belt.
Using a half inch breaker bar, release tension by rotating against the spring, remove the belt from the tensioner. Unbolt the tensioner (one bolt may be so diffucult to reach that you might want to use a racheting open end wrench by Alden.
Install the new tensioner by reversing these steps.
I usually replace the belt at the same time.