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Old 03-06-2014, 09:29 PM
dmorgan dmorgan is offline
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Join Date: Apr 2012
Posts: 464
alternator is working after replacing the brushes. Having problem with belt tensioner

Just a follow up. I took the alternator to a alternator/generator shop to test the alternator. No charging, even I replaced with a new voltage regulator. I showed the old voltage regulator to the person in charge. He looked at the alternator and saw the contact points was not in touch with the voltage regulator. So he took a screw driver and did some bending on the contact points. When he tested the alternator again, it works!!! It seemed that when I replaced the voltage regulator with a new one, I must have jammed the brushes to get in the alternator. In any event, the alternator is working fine. He did charge me $2 for the labor and the time. I did not have the cash then to pay him at the time, since I used my credit/debit cards for payments. He said don't worry just come back again and pay him in cash. WOW!! Really nice guy to work with.

After that, I went to autozone just to test it again. The salesperson said the alternator was not charging.!!! How strange. So I went home and put the alternator in the car. Connect the battery, turn on the ignition, not starting, and sure enough
all the instrument lights in the cluster panel were on. However, when I start to turn the tensioner adjuster rod, nothing was turning to tighten the belt (after I already line up the serpentine belt). There were two nuts above the metal hole where the tensioner adjuster rod goes through. I started to turn righty righty and no movement from the tensioner to tighten up the belt. So I got a new adjuster rod with the long nut that goes on top of the adjuster rod. I took off the new adjuster nut from the new rod and put in the old adjuster rod to see if the tensioner will move to tighten up the belt. No movement on the tensioner. In fact, the long nut broke the thread to the rod, leaving the rest of the thread intact inside the adjuster rod nut.

It looks like I need to replace the tensioner adjuster rod completely with the new one I already bought. I also took the adjuster nut to a fix it shop to have the old thread remove from the nut. If that cannot be done, then I have to get another new adjuster rod nut.

Once I get the adjuster nut taken care of, how do I remove the tensioner belt adjuster rod from engine before I put in a new one? some say to remove the radiator and the water pump to get to the tensioner plate out?
Any other items that need to be remove in order to have room to remove the tensioner adjuster rod? Do I need to replace parts relating to the tensioner adjuster rod? Any comments or feedback is greatly appreciated
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