Question about 1999 Oldsmobile Alero
Posted by Anonymous on
WELL SOUND LIKE BATTERY PROBLEMS.HAVE CAR JUMPED START AGAIN. DONT TURN ON AC OR ANY ELECTRICAL COMPONENTS LET ALTERNATOR CHARGE UP BATTERY.WITH CAR RUNNING BATTERY VOLTAGE SHOULD BE 13.5 - 14.5 VOLTS. IF YES YOUR BATTERY IS DEFECTIVE.MOST OF THE TIME WHEN VECHICLE NEED JUMP START THE BATTERY HAS WEAK CELLS OR MAKE SURE BATTERY CABLES CLEAN AND TIGHT.IF BATTERY VOLTAGE IS NOT 13.5 - 14.5 VOLTS WITH ENGINE RUNNING.ALTERNATOR NOT CHARGING.CHECK ALTERNATOR FUSE + WIRES MAKE SURE THEY ARE TIGHT NOT DAMAGE.CHECK ALTERNATOR DRIVE BELT MAKE SURE ITS NOT LOOSE.DUE TO LOCK OUT FEATURES TURN OFF RADIO BEFORE REMOVING NEGATIVE BATTERY CABLE.
Posted on Jul 14, 2010
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Posted on Jan 02, 2017
SOURCE: Air Conditioner
Sound unrelated. to many things to check for the AC problem, gas leak, compressor, condenser, evaporator, TX valve, HP-LP switch, belt, clutch, drier.plumbing, get my drift...
Posted on Jul 15, 2008
wow just by changing the oil hey well when i first read it u said u repressurizing the AC i thought maybe the ac seeized or u forgot oil and the motor seeized. douht it head lights n not going in to neutral sounds strange
Posted on Jul 30, 2008
turning on a/c should automatically increase the idling, so that's where your problem is. need to look at the system where the throttle is open a bit when a/c is turn on
Posted on May 09, 2009
the engine compensates for the load try turning up the idle screw also check the ignition system you might just need new wires and or cap rotor or your coil is bad also plugs
Posted on May 31, 2009
hi there. the reason that the engine idles good when the air-con is engaged is that ussually all vehicles nowadays have a vacumm advance mechanism. this is triggered mainly by a electric solenoid valve which is also attached parallel to the source supplying power to compressor. a small vacumm hose with a diameter like a common pencil or ballpen case. its made of rubber and it runs from the alternator vacumm pump then to the solenoid valve and to the vacumm advancer unit attached to the injection pump throttle. this system raises the idle a tad higher.
if your montero runs completely normal and you experience no other problems with your engine except for your present problem, then the solution is just raising the idle a little higher. if your montero is equiped with a RPM guage on the dash, try adjusting the idle to around 800 rpms. it would be healthier for your car if the idle raises a bit when you engage the air-con because this would compensate for the added load on your engine.
hope this helps.
Posted on May 31, 2009
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