1998 Buick Park - gas gauge gone fully clockwise to rest UNDER the fixed stop pin
I had my car in for a supercharger belt change and some pulleys. In the course of the repair the machanic had to remove my battery. Now the gas gauge needle has gone fully clockwise to stop UNDER the fixed stop pin. Turning the car off and on has not changed the problem ? The mechanic doesn't know what caused it ??? Any ideas?
Re: 1998 Buick Park - gas gauge gone fully clockwise to...
Well, you need to go back to the mechanic to get it fixed. When he unplugged the battery, it reset everything and when he replugged it backed in, the sudden charge from the battery made the needle go all of the way around the fixed stop pin in the opposite direction. He may need to open that part up and turn the needle back to the fixed stop pin.
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HAVE THE SUPER CHARGE TUNE. GET NEW SPARK PLUG WIRE AND NEW SPARK PLUGS. MY BE YOU HAVE A GAS LEAK SOME WHERE THIS MY SOUND CRAZY MAYBE SOME ONE IS SEALING YOU GAS OR THE FLOAT IN YOUR GAS TANK IS STICKING.
The instrument cluster is a sealed unit, do not recommend taking it apart for that. What I would do is drill a small 1/16" hole near where the stop pin is through the plastic outer cover and use a paper clip or sewing needle to move the fuel guage needle back to the other side of the stop pin. Reseal with a drop of super glue to keep dust out of cluster.
On your idler pulley there is a 15mil bolt... put a wrench on this bolt (long wrench) and turn it like you are turning it tighter. The idler pulley will move forward releasing tension on your belt. Make sure you pull the belt off the alternator pulley when the idler pulley is compressed. You may want to pay attention to how the belt is on there, maybe 2 people would be a good idea too if you aren't familiar with your car.
If the s/c is making a knocking noise that goes away when the throttle is pushed, you could have a coupling problem. Remove the s/c belt, grab the pulley and quickly twist the pulley back and forth from the 10 to 2 positions. There should not be a clunking noise and slowly moving the pulley you should feel a drag while the rotors move, no drag immediately means the coupling is bad.
If it was the sending unit, it is accessible through the trunk floor. A problem I have with my Park Ave gas gauge is when I get a dead battery and try to start the car, the needles will twitch and it sends my gas gauge needle to the far right side. This causes it to rotate/fall under the proper gauge are and come up under the rest pin on the left side. When that happens, I have to pull my whole instrument cluster and rotate it around so the needle goes back up to the top. Check where you needle is the next time you turn the key to run. If its under the little rest pin at the empty position of the gas gauge, then this should be the fix.
just check the buttom of the pulleys or buttom of the car for leaks or tensioner pulley , sometimes bearings in tensioner wear out i had similar issue with gear slipping it happened to be a leaky water pump and antifreeze getting on the pulleys while the car is running, causing belt to slip and tranny slip feel similar as you described , i replaced belt and water pump and no more issue
Found the problem with the speedometer on my Buick. When you use the magnet to fix the gas gauge, will can and may affect your speedo. So use the magnet trick on it as well. Appears that the manufacturer didn't think about the needles being able to swing past the magnet they have set up in the gauges. Should have put a stop pin on the gauges.