1991 300GT Electrical Motor Noise in rear wheel wells
A sound like an electrical motor noise can be heard in the rear wheel wells even when the engine is not running, but the key is at the ACC position. It is not the Power antenna. Any ideas and what kind of money are we talking about to fix it.
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Hi Abner Clicking noise, if it goes with speed of engine and wasn't there before the valve train was adjusted. Take it back to be rechecked. If the valve train was adjusted to try and get rid of the clicking sound and it hasn't worked. The only thing you can do is get someone with technical knowledge to have a look at it. Unfortunately noises are somewhat impossible to diagnose unless you are standing at the vehicle. ( check engine oil level).
Blower motor one of four things (1) Poor electrical connection ( loose or slightly burnt connection to motor remove connector and check). repair or replace as necessary. (2) Something stopping the fan from turning (if pollen filter fitted above motor remove and with a mirror and torch check down inside on top of fan. (3) if a heater rheostat/resister is fitted in the location of the heater box this maybe faulty however when these fault it normally allows the fan to only work when you switch fan to maximum speed. (4) the fan itself is faulty . replace fan/motor. Good luck
Park vehicle on level surface, set the parking brake and chock the rear wheels. Disconnect negative battery cable and raise vehicle up and support it with jack stands. If equipped with air suspension disconnect electrical power to air suspension.Position jack underneath of engine oil pan, use piece of 2 x 4 or block of wood and raise engine slightly to take the weight of engine from motor mount. Inspect the engine mounts for crack or rubber deterioration and separation.
If you had a short in the starter motor windings and held the key, you'd get a click and a burning smell. That would be the insulation burning off the electrical windings. There's a 40-amp max fuse in this circuit.
Often "humming" noises like what you are experiencing are caused by a failing bearing somewhere. Some usual suspects are wheel bearings, alternator bearings, and sometimes even your waterpump, but usually it starts leaking too. To start narrowing down what it is, have someone ride with you to see if the noise is coming from left side or right side, or engine area, then see if it happens when the car is not moving, or just when the drive wheels are pulling the car? This way , hopefully you can pin point the culprit!
4 wheel drive trucks make this sound alot im guessing its a manual shift so i would saw that the meshing is more of a grinding instead so i would have the transmission rebuilt to fix the problem or just see if the rings inside the trans. is missing the tooths on it :)
the noise you heard in the rear was the electric fuel pump working but it sounds like you have an electrical issue check your wire harness for areas that wires chaffed on metal and cause break in the electric current some known areas are inbetween the radiator and the transmission down towards the tranny pan also check fuse panel might have a loose fuse
Have you checked the operating motor for the soft top?....It sounds very much like you may have a relay problem with the cut off control for that motor....have a good look and make sure that there's nothing fouling the operation of the unit...
The pump is probably an immersible type, which will then be mounted inside the tank....If it external, it still carries the fuel..... I would hope that you don't have a problem with that, as if it is working under high load, it would be over heating and that could be very dangerous..... Have it checked very quickly.... Once you're satisfied that it is NOT the pump....Take a friend with you and ask for that person to listen for the direction that the sound is emitted.....Also carry a rubber pipe and using it, your friend will be able to pinpoint the noise.... Once you know the place, you'll be able to identify the defective unit and take the relevant action.