Whining noises often come from the alternator or the steering pump. Check the power steering fluid in the pump (there is a dipstick on the pump), and have an AVR test done on the alternator. If the alternator is faulty, you are probably having battery problems as well. If the steering pump is low on fluid or is faulty, you probably are experiencing jerky steering from time to time.
Yes, the faulty power steering pressure switch does affect the gas mileage. It will give a wrong reading of the gas mileage. It is therefore important to fix it when it is faulty.
Most common is a faulty return hose at the radiator. This in most cases is cover by warranty
weak or faulty battery, faulty alternator (or slipping alternator belt causing battery not to charge) or faulty starter motor
Low on power steering fluid. Loose or missing drive belt. Faulty power steering pump. Faulty power steering box.
It can, though it is unlikely -- the alternator and the voltage regulator would both have to be faulty. A faulty alternator will not charge a battery, though, so it may seem normal until the charge put into the battery at the store runs out.
This can be caused by a number of things. # A shortage of coolant # faulty thermostat # faulty radiator cap # a blocked radiator # faulty water pump # faulty fan # leaky hoses # cracked head or block.
Low on coolant and/or a faulty radiator cap.
Possible causes,- Faulty battery- Alternator belt missing or loose- Faulty Alternator- Alternator harness is open or shorted- Alternator circuit poor electrical connection
Could be, worn bearing/seal in water pump, loose hose clamp, faulty hose, faulty radiator, faulty gaskets, faulty heater core, faulty freeze plugs in engine block, faulty radiator cap, cracked cylinder head,
The alternator may have a faulty rectifier or faulty voltage regulator
Faulty wheel bearings usually squeak or squeal. A whining noise is more likely to come from a power steering pump low on fluid, or from a faulty alternator.
A faulty alternator, a faulty belt tensioner.
As long as the battery is charged
A quick test I've always used is to start the car. Remove the neutral cable from the battery. If the car still runs your alternator is fine.
to add to this, a big YES,on the radiator cap .the radiator cap needs to be specific pressure rating. radiator caps do wear out. also the cheapest fix to start It is doubtful a radiator cap would cause a car to overheat. Common overheating causes are insufficient coolant, leaking coolant (into or out of your engine), faulty thermostat, blown cooling fan fuse, faulty fan temperature switch ( sender ), faulty fan, or a faulty fan relay.
faulty voltage regulator
A few things could cause this. Low power steering fluid, too slow engine speed (low RPMs), faulty power steering pump or broken power steering pump belt, binding or poorly lubricated steering linkages, faulty steering gear, etc.
A faulty fan motor, A faulty fan motor relay, A faulty coolant temp sensor, A faulty ECM, (most unlikely),
One common problem is a faulty steering position sensor. This $60 sensor, located at the base of the steering column (inside the vehicle), tells the variable assist power steering how fast you are turning the steering wheel. When faulty, it will cause lurching and surging in the steering - feels like loose parts.
That is typically caused by a faulty alternator. Have the alternator tested; the light is indicating that the alternator is not providing a charge to the battery.
The cap is faulty, replace it.
The vehicle has a charging problem, perhaps a faulty alternator.