Question about 1997 Pontiac Trans Sport
Check the alternator for voltage output,worn belt and belt tensioner.
A health alternator should be produce 13.6-14.8V.
Any less it will put a drain on the battery.
(example: fuel pump,fans and lights)
Base on what you changed already,I recommend you to
1)inspect the tensioner wear indicator (two arrows,lines or dots) if they coming close the it's time to change the tensioner.
2)check the for worn belt. Look for cracks on the belt.
3)charge up the battery and monitor the voltage.
4)get the alternator check.
Most alternator can go up to 100,000 miles.
Some auto part store has a portable battery + alternator test.
Posted on Nov 16, 2009
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Posted on Jan 02, 2017
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