What is draining my battery?

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  • What is draining my battery?


Answer #1 | 28/12 2013 21:00
May be the belt has not naf/ tencion,so the alternator suply less/ amp/ to the sistem,iven if show non def/.
Positive: 100 %
Answer #2 | 27/12 2013 16:44
The water pump has absolutely nothing to do with the battery. Check your battery terminals to be sure that they are not corroded or damaged, if they are they should be replaced. If your terminals are good then your battery is bad and you need to replace it.
Positive: 50 %
Answer #3 | 28/12 2013 12:49
ON the VW JETTA you replaced the TIMING BELT and WATER PUMP together! The ALTERNATOR must be removed to do this! MANY TIMES a forgetful tech forgets to reattach the HARNESS to the alternator on this type of repair! OPEN YOUR HOOD and LOOK AROUND! The ALTERNATOR is driven by the SERPENTINE BELT HERE! GOOD LUCK TO YOU ALWAYS!
Positive: 50 %
Answer #4 | 27/12 2013 16:57
A bad alternator can drain a battery, even if it appears good. Which beggars the question, how did you determine alternator and battery were both good? In replacing a water pump, the mechanic quite possibly disconnected the battery for safety around the engine. Check the terminals are clean and tight. The battery and connections can't be good and not start the car, unless the starter is bad or something! Jump starting an engine can easily be done if battery terminal connections are bad. The engine can also continue to run on the alternator (which is very bad for the alternator and car electronics), but will of course end up totally dead when the engine stops. That's you first thing to check, those terminals.
Positive: 40 %
Answer #5 | 27/12 2013 16:41
Take it back to the place that did the pump and tell them this story. Chances are they left the belt too loose.
Positive: 25 %
Answer #6 | 27/12 2013 18:27
Have the battery load tested at any store that sells new ones other than Auto Zone to see what the reserve amperage capacity is. Amperage spins starter motors not volts.
Positive: 25 %

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