I've had problems since I bought the van in February, firstly the auxiliary belt would squeak until the engine warmed up and on occasion the battery would be dead, now the belt hardly squeaks and at night the lights start getting dimmer after a short while and the battery is dead every morning, the battery is good and the battery warning light is not on.
I checked the battery while running with a multimeter and it reads 24v. I'm going to check the output of the alternator tomorrow, what should it read and could this be anything other than a faulty alternator?
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Re: battery keeps going dead
24 volts is way to high, the battery should be 12 volts, the alternator should put out 13 volts up to 15.5 volts, if the alternator belt is excessively loose, it wont charge properly, if the belt is tight check the alternator output, (you can ck it at the battery) make sure the output is a minium of 13 should be not less when reving the engine up a little the voltage should increase, but not above 15.5 volts
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It is possible you have a glazed belt - it is fine, it just slips until it warms up. If you have "V" belts, there is a belt dressing you can spray on that will cure the problem. If you have serpentine belts ( a wide belt that has several ribs on the inside ) you can us a small dab of Dielectric grease on the belt. smear a small dab across the ribs of the belt ans start the engine - the squeal should go away quickly.
Hope this helps!
Troubleshoot first and then change parts! What was the original problem? It just won't crank over? The alternator just charges the battery the voltage regulator keeps from putting too much of a charge into the battery. Was the battery going dead? Did the vehicle start when jumping it with jumper cables? Too many unanswered questions to offer help, sorry.
2007 its your drive belt,let the dealer inspect for wear or if its loose,they are not going to reproduce it they are just sending you air, but hold them accountable for the drive belt and just ask ,"hey is this belt okay and I am not going to breakdown".
Yes you should definitely replace it. (However bear in mind that the belt noise may return at some stage once the new belt gets a bit of use and wear).
This is a very common problem with serpentine belts. When the belts have a bit of wear and they are cold and damp they can tend to squeak and squeal on some vehicles. Sometimes the noise will disappear or reduce once the belt is warmed up but this is not always the case.
It is very unwise to apply any type of lubricant to the belt like soap, silicone spray or other materials because this can cause belt slippage. If the belt is slipping it is not performing it's designed function.
I have found from experience that the only way to properly overcome noisy belts is to fit a new one. They are not expensive and are easy to fit on most vehicles. I replaced an noisy belt on one of my own vehicles 6 months ago and it is now silent. (Other than the noise, the condition of the "old" belt was good).
If you are going to fit it yourself make sure you draw up a belt routing diagram BEFORE you remove the old belt so you know how to refit the new item. (Many people remove belts and then cannot work out how to refit them around the various pulleys). Give the belt pulleys a good clean before you fit the new belt.
Keep your old belt in the car as a spare in case you ever have a breakage.
Turn the crank shaft to top dead center (TDC) before removing the lower cover. Rotate the cam shaft till the marks line up with the #1 cylinder at top dead center(TDC). It is not a hard job , but Fiat does not give you much room to work so I hope you have small hands and arms.
Well, if the alternator belt squeaks a little, it cannot be actually charging properly, resolve that...
First steps would be to fully charge the battery and measure the voltage. Turn of vehicle Disconnect the negative terminal overnight, for a night or two.
If battery still dead, focus on the battery.
If battery is not dead, put a volt meter between the negative terminal and cable and measure voltage... do not be mislead by interior lights, or clock, pull those fuses, during testing...
Anyways, keep going until you find a drain.
The alternator has diodes that can cause a drain...disconnect for testing purposes...
NEVER run the vehicle with the battery cable dicsonnected.
+++ been told to fix blue smoke...piston rings gone .
Piston rings, valve seals are a good guess for cause of blue smoke. Engin oil additives for high-mileage engines can help the blue smoke problem... Pep Boys and the like -- many different products -- just make sure it's for stopping smoke, not cleaning engines...
+++ squealin....fan belt gone.
Has the alternator belt been tightened? If not, this could be causing both symptoms: dead battery & squealing
+++ battery light on...alternator gone.
Again, this could just be a loose belt, and most likely is the problem...