Question:
Got a BMW 3 SERIES auto,the car jerks when its on the lower gears,the garage said when the car is slowing down the gear box is finding it difficult to fall on to the higher gears hence jerking,the computer indicates no faults on the gear box,the garage says gear box needs to be replaced ,i have my doubts thought would get a experts opinion.Could it be injector oil or someting simple like that,please help.Thank you.
Answers:
Have a 1983 Chevy C10 pickup. Not getting juice to the starter. Alll of a sudden.?
You could be surprised at what fresh fluid can do for it, i know i though i needed to replace a trans once and was told to do a fluid flush and filter first to see if it helps... i wont ever forget to pass this on...
Where is the diverter valve located on a 2005 Subaru WRX?
See if this helps, if not then get another opinion from a different transmission shop.
Best wishes,
Should i get a honda Prelude1998?
"/JOe
Hi ya.
Well after spending 32yrs rebuilding automatic transmissions, i have always found it quite difficult in diagnosing over the phone. Only because a persons description isn't always accurate. No fault of their own. Any way here goes.
If your computer memory doesn't have any fault codes, you can bet that if it is the transmission, it will be a mechanical or a hydrolic problem. Computers only diagnose electronic faults. Now comes the hard part. LOL.
I have found that if a transmission has been over heated to a serious degree, sometimes a particular clutch pack can sometimes fues them selves together. This makes that clutch pack not want to disengage when slowing down. Then it will cause a symptom of what you describe.
The other problem you may have could be a valve body fault. The valve bodies have very small rubber balls in them that block of cirtain holes at a given time. This lets oil go to another part of the valve body alowing the trans to perform another task.
The last thing is that its not the transmission at all. I would sugest that you drive the car manualy and see if it still does it. It's imperitive that you know what gear the car is in when it does it. And try another dealer. Hope this helps. Hope i didn't complicate things to much. LOL
Laurie
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