Need help with Alternator Belt

[Cali2Texas]

ok this is the issue that i'm having, My alternator belt keeps coming off and have gone throught 2 battery in last two months cause i am running on the battery and replace the belt. i had the alternator tested and it pass. i have a 83 truck with a 305.

[gchemist]

Are the pulleys aligned properly? You can use washers to correct angles.

I run a light for my alternator. When it's not charging, the light is on. When it's charging the light is off. Great way for me know if the belt is toast or alternator is not functioning.

[motornut]

what else is there running on the belts
i popped one when i found my air pump was toast but that was an 88

[MDc10]

Originally Posted by Cali2Texas

ok this is the issue that i'm having, My alternator belt keeps coming off and have gone throught 2 battery in last two months cause i am running on the battery and replace the belt. i had the alternator tested and it pass. i have a 83 truck with a 305.

Try the washers or a shim kit like gchemist was saying, it should work. I had the same problem, but on the power steering belt, evrytime I hit a corner and the motor torqued the belt came off, couldnt get a shim kit for the pulleys right away so I put some washers on there and it worked great.
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