Re: Automatic Transmission Problem?
 

Paul wrote:
> Should the motor mounts be totally replaced? Or is it just a case of
> them loosening up over the years?

replaced - the rubber breaks apart. usually you can get away with just
the rear and front [if yours has a front]. also check for gotchas like
bent exhaust touching chassis, loose heat shields, etc.

>
> jim beam wrote:
>> Paul wrote:
>>> I guess "grind" wasnt the best word, its more like a cluck, not very
>>> loud and i can feel it too. you say to check the motor mounts, are you
>>> thinking that when i downshift the motor is, i guess, "rocking" and
>>> making a cluck?
>> that's it.
>>
>>> That would explain why i can sort of feel it. Also,
>>> how would i check the mounts? Just put a socket on them and tighten the
>>> bolts?
>> put it in park [on level ground], lift the hood, and with the parking
>> brake OFF, rock the car back and forth. you'll see the motor move and
>> the cracks should open up to be visible. if you can get an angle to see
>> them. if not, you might need to have an assistant help you rock the car
>> while you poke about with a mirror.
>>
>>> jim beam wrote:
>>>> Paul wrote:
>>>>> I agree with what you say, and yes the trans is protected, it
>>>>> specifically explains in the manual what you said, but the cluck and
>>>>> sometimes a grind only happens when i manually shift. Don't get me
>>>>> wrong, 99% of the time i let the trans shift on its own, but if the
>>>>> trans is developing problems wouldn't they be there all the time? again
>>>>> i cant figure out why it grinds only when i manually shift.
>>>> is it a "grind" like when your cousin drives your stick and doesn't use
>>>> the clutch properly, or some other kind of noise? i ask because there
>>>> is no mechanism inside the transmission that really allows for "grind"
>>>> unless it's major failure. and have you checked the motor mounts?
>>>>
>>>>
>>>>> jim beam wrote:
>>>>>> Dano58 wrote:
>>>>>>> jim beam wrote:
>>>>>>>
>>>>>>>> the transmission is protected - it won't allow shifts that damage it.
>>>>>>> Perhaps - but are you saying that a 'grind' or 'clunk' is normal? I
>>>>>>> don't think so. And if the transmission is starting to develop
>>>>>>> problems, then manually shifting it certainly won't help it.
>>>>>> how does that work? you're not actuating anything in the box by moving
>>>>>> the shift lever - all you're doing is changing from autonomous shift
>>>>>> control to non-autonomous. all internals of the box function /exactly/
>>>>>> as before. if there is a "clunk" it's more likely a broken engine
>>>>>> mount. or maybe a worn driveshaft or final drive, but the driver alone
>>>>>> can't influence how the shifter mechanism behaves to make a noise like
>>>>>> that - that bit is fully automatic under all conditions. /and/ there
>>>>>> are safety over-rides to protect it from driver mistakes.
>>>>>>
>>>>>>> Again, I
>>>>>>> would let it perform as designed and shift for itself - that's the best
>>>>>>> way to protect it.
>>>>>>>
>>>>>>> Dan D
>>>>>>> '07 Odyssey
>>>>>>>
>