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Ford TaurusAlong the way, Ford has made some 500 changes to the Taurus, changes that were already scheduled for the mid-cycle freshening of the Five Hundred. The general body shape of the new Taurus is the same as that of the previous Five Hundred, a large, front-wheel-drive family sedan, but almost everything else has changed for the better.
My Taurus GL 95 has 120k miles now.Whenever I wanna slow down, I release gas pedal. It starts whinning from the downside of front end as soon as I release pedal fully. The whining fade out when car slow quite down.If I step the gas pedal even very little bit when it is still whining, the whining is gone right away. very strange. Any idea is appreciated!
I have not experienced a noise like that, but it sounds like the front pump in the transmission. If you hear it on acceleration (which you don't) then it is bad. Have you checked the transmission oil level? The oil should be red, clear and lightly scented. It should not be a brown colour and smell strong.
Exhaust can make strange noises under deceleration. Have you checked the heat shielding on the exhaust vibrating or the exhaust touching something, possibly due to excess movement of an engine mount.
The Oil was changed couple weeks ago, so should be OK. The transmission works fine now. Mechanic in Canadian Tire said it is Tranny's fault. Mechanic in another body shop said it is transaxle's fault. you are right, the exaust is big suspect. Yet when car is parking, I floor gas pedal, then release gas pedal completely. No whining at all. The whining will stop right away once I step gas pedal even a little bit. very sensitive. Likewise, when speed is high enough,the whining will show up right away only after I loose gas pedal completely.
The tranny and transaxle are the same component. The transaxle is the correct term since it incorporates transmission and the final drive. The front pump is in the transmission. Did you hear the noise before the transmission oil was changed? I would check the oil level. Drive car for 15 to 20 mins to warm the transmission oil. Park on level surface with trans in park and engine running. Remove the transmission dipstick and wipe off the oil. Put dipstick back and wait a couple of seconds and then withdraw. The level must be in the crosshatched area, too low or too high are problematic.
The exhaust moves differently when the car is under load. The engine/tranny/exhaust is rotating forward and backward against the resistance of the mounts which causes a very large amount of movement at the end of the y pipe where it meets the flex pipe. The flex pipe absorbs this excess movement on front wheel drive vehicles. No flex pipe on rear wheel drive vehicles.
The engine mounts are oil filled and susceptable to failure which will allow the engine and exhaust to move a lot under load. You can check for a damaged mount by applying the brakes and accelerating the engine in drive (not too much) while someone watches the engine pitch forward.
Look for loose brackets, heat shields, or the exhaust touching something.
Only two weeks after I had the gasket changed for transmission oil, it start whining. Before that, no whining. Canadian Tire said I can keep driving, too expensive to service tranny. The tranny oil level is OK now. I also did another road test. When I drive downhill,I release gas pedal fully, the whining shows up, I touch gas pedal a little, the whining stops right away, then I keep gas pedal stepped a little, use my left foot to step brake, there never be whining till full stop. In addition, I drive the car faster, the whining starts earlier,even I still keep gas pedal down.
Do you have a tach in your car? When you let off the throttle the engine revs should not change much, slowly drop but not reach idle speed untill car just about stops?
Have you tried putting the transmission in neutral after releasing the throttle?
Have you tried shifting to a lower gear after releasing the throttle?
When whining goes up, I try shift to Overdrive and 1, car keeps whining. But if I shift to N, no whining at once.
I also feel tiny shake from gas pedal once whining is on.
Sorry for forgetting check tach. I will do it when car is back.
Thank you ABE. Thank you a lot.
The front pump would be operating in all gear positions and the revs should also be up in all gear positions. If transmission related then it is more likely the spragg clutch which I don't think is applied in neutral.
The vibration in the throttle pedal in drive gears with the whining is interesting. Implies more movement in engine/transmission than one would expect.
You are right, my mechanic found the mounts are all loosen, he charged me $400 to fix the mounts.
Unfortunately problem is still there, mechanic said I must get transmission serviced, and transmission service said I should be charged more than $3000 to rebuild it. OMG! He said that includes labor fee, parts fee, and fluid correct fee $478.91(including open,clean, put together or something), do you think that $478.91 is reasonable? Thanks
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Taurus is whining 
Linear Mode
