I have a 97 ford thunderbird and it vibrates in reverse and almost dies. Also when at a stop light it vibrates in gear and I put it in neutral to lessen the vibration. It seems to get worse when Im at work as a delivery driver later on in the day.
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Re: Vibration in reverse
Unfortunately, your probably looking at serious automatic trans problems. What I would do is change the transmission oil and filter. When the pan is off, you can check for clues like oil condition (if it smells burnt or is black or brown; indicates burnt/worn cluch friction disks/steels), metal filings/fragments in the pan or the filter (indicates mechanical damage), etc. I can help through all these steps. Basicly checking these things are your best indicator of transmission condition short of putting a pressure guage on it and doing road/pressure tests. While under it check shifter linkage by having someone shift through the gears with the engine off while you inspect the linkage. Be sure to block the tires good, set the e brake, because when they take it out of park it could potentially roll and KILL or injure you. Hope this helps.
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u can do this 2 ways.tranny mounts, have someone get in the car,holdbreak,put in gear,slightly ascelarate the throttle and watch the engine .in drive engine will travel forward and vise versa in reverse.believe me, if u have any bad u will think the motor is tryin to jump out. upper mount check/ 9 out of 10 times,it feels like u are in a popcorn machine when u come to a complete stop ildeing in gear, take a small floorjack and place it under the oilpan again have someone in the car . start and put in gear, just let it idle,and slightly raise just the motor and see if the vibration goes away ./ note,be sure to have a small piece of wood between jack an oilpan.
There are several other things which can make a noise. The people you showed the car have the advantage of hearing or feeling the noise that we do not have a chance to do.
A catalytic noise can change with the engine RPM. You can rev up the engine in Park or Neutral and should be able to replicate the noise. If not, then you have a moving part making the noise.
Sometimes the Emergency brake material comes loose from the metal backing and jams inside the rear drum/rotors. It will cause vibration when pulling away from a stop, and eventually will grind into powder.
Rear axle differential clutches. There are friction disks inside some types of rear-ends. A special lube additive makes these work. Sometimes a refill of additive and lube can make marginally performing units more quiet.
U-joints can make noise and vibrate. Its another moving part noise.
The fan clutch can also make noise and vibration. The A/C compressor and compressor clutch bearing can make noise. The A/C clutch operates intermittently depending on pressure and temperature.temperature.
It absolutely can be, but anyway you should hear that noise when accelerating the engine from idle dont need to drive, just press gas pedal from idle and if there is a strange noise in exhaust then the honeycomb will be loose
i had same problem check all vacume hoses front and rear of engine whene u find leak u will notice a large difference just by putting finger over it and then replace or repair hose. good luck hope it works for ya.