94' camry w/ no reverse

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Old 20 Sep 2005, 03:44 pm   #1 (permalink)
usenet@mylounge.com
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Default 94' camry w/ no reverse


well i bought a 94 camry and the reverse didnt work. so after driving i
the reverse still kind of works but you have to rev it up to about 400
RPMs and it will go back slowly. but i have heard that there is a
adjustment on it??? any ideas will be helpfull

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Old 20 Sep 2005, 10:17 pm   #2 (permalink)
qslim
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Default Re: 94' camry w/ no reverse

Sounds like you have a pressure problem inside the transmission. After
verifying the fluid is at the proper level and manual valve is where is
should be, you should start with a line pressure test and go from there.

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Old 21 Sep 2005, 10:01 am   #3 (permalink)
Wolfgang
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Default Re: 94' camry w/ no reverse

Think I'd start by draining fluid and removing and cleaning the transmission
pan - some have screen/filter. Then refill with fresh fluid drive it a week
and then drain again. Total cost maybe $10.

<usenet@mylounge.com> wrote in message
news:big.bad.chevy.1vob9z@mylounge.us...
>
> well i bought a 94 camry and the reverse didnt work. so after driving it
> the reverse still kind of works but you have to rev it up to about 4000
> RPMs and it will go back slowly. but i have heard that there is an
> adjustment on it??? any ideas will be helpfull.
>
>
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> big bad chevy
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> big bad chevy's Profile: http://cars.mylounge.us/member.php?userid=70372
> View this thread: http://cars.mylounge.us/showthread.php?t=145003
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Old 21 Sep 2005, 03:08 pm   #4 (permalink)
usenet@mylounge.com
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Default Re: 94' camry w/ no reverse


whats the manual valve? im a mechanic but i have never really worked o
4 cyl. cars before so this is kind of new to me

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Old 21 Sep 2005, 05:33 pm   #5 (permalink)
davidj92
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Default Re: 94' camry w/ no reverse

usenet@mylounge.com wrote:
> whats the manual valve? im a mechanic but i have never really worked
> on 4 cyl. cars before so this is kind of new to me.


You can smell the dipstick to see if there is a strong burnt cork type
smell, if so this indicates friction material in the oil. A slight smell can
be normal but a strong smell is not.
If you drain the trans fluid make sure you drain into a pan so you can look
at it. You need to look for band and/or clutch friction material which will
be gray or brown. Also look for metal shavings on the magnetic strip which
is on the inside of pan on most auto trans. If you have a lot of any of the
above then trans is probably damaged and needs overhaul. If not then a
change of filter and fluid may help.
HTH, davidj92


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Old 24 Sep 2005, 11:46 pm   #6 (permalink)
usenet@mylounge.com
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Default Re: 94' camry w/ no reverse


well i got to tear into the car tonight. i drained the tranny oil
replaced the filter, and filled it back up. the old tranny fluid fille
up a one gallon bucket so i know it was way over full. bu
anywase, after putting it all back together i backed it up and it stil
didnt go. so i am waiting for tommorow to work on it some more, i don
think i gave it enough time to build pressure :confused

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Old 25 Sep 2005, 10:12 am   #7 (permalink)
Daniel
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Default Re: 94' camry w/ no reverse

go back to qslim's post about line pressure
~~~~~
I don't think it's simply a question of worn friction clutches or
fluid, because your forward gears work fine.

I'm not a transmission expert, but would guess is something in the
valve body preventing the reverse clutches from receiving sufficient
hydraulic pressure to engage for reverse

Guessing, if you "tear into it " try disassembling and cleaning the
valve body in solvent

Probably some tiny bit of grit in the wrong place

Total capacity for the transmission is 5.9 quarts, normal drain and
fill 2.5 quarts, overnight drain and fill 3.5 quarts (apx.)

Try to get the right mind set.
IMHO there's a lot more refinement in a Toyota than a Chevy. Just check
wiring under the dash, for example. Think of it as if you're
disassembling a Japanese camera - high level of precision, and every
litttle thing has to be right to avoid problems later.

As you probably already know, intense cleanliness is required for
transmission work. For example, don't use a rag to dry components,
spray or soak in solvent and air dry or carefully blow dry with
compressed air to maintain antiseptic cleanliness.

Could be that's what started your whole problem. Perhaps someone
changed the transmission pan, wiped it down with a rag, and a bit of
thread got jammed in the wrong check valve in the valve body.

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Old 25 Sep 2005, 03:21 pm   #8 (permalink)
usenet@mylounge.com
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Default Re: 94' camry w/ no reverse


what is the manual valve??

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Old 26 Sep 2005, 11:26 am   #9 (permalink)
Daniel
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Default Re: 94' camry w/ no reverse

what is the manual valve???
~~~~~~~~~~~~
never heard it called that - and it is not a valve - but they may be
thinking of the shift linkage - the lever to which the cable attaches
(from the shift handle on the console in the car).
Haynes manual has a procedure for aligning the shift point correctly -
loosen the lock bolt and start with the lever in Neutral I think - but
it doesn't sound like that's your problem.

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