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Old 10-25-2005, 19:01   #1 (permalink)
caaron
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850 Tranny question

I have a 94 850 non-turbo with an automatic transmission. About a month ago
I had the transmission fluid drained and replaced twice (the car has 138000
miles on it). The transmission normally works fine, but lately, as the
weather has turned colder (about 40 degrees overnight) when I first start
the car the transmission slips in low gear and is hesitant to shift to the
next gear. As soon as the car warms up it works perfectly again--it is only
that first cold start of the day. Could this have anything to do with the
fluid change? Any suggestions as to what is needed or how to fix it?

Chuck


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Old 10-25-2005, 20:01   #2 (permalink)
Doug Warner
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Re: 850 Tranny question

"caaron" <chuck~nospammers~aaron@comcast.net> wrote:

>I have a 94 850 non-turbo with an automatic transmission. About a monthago
>I had the transmission fluid drained and replaced twice (the car has 138000
>miles on it). The transmission normally works fine, but lately, as the
>weather has turned colder (about 40 degrees overnight) when I first start
>the car the transmission slips in low gear and is hesitant to shift to the
>next gear. As soon as the car warms up it works perfectly again--it is only
>that first cold start of the day. Could this have anything to do with the
>fluid change? Any suggestions as to what is needed or how to fix it?
>
>Chuck
>



I wonder if they filled it with the correct fluid? Check the
dipstick, does it look/feel unusually thick? Collect some, take to
transmission shop and ask if they think it looks / smells like ATF.

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Old 10-25-2005, 21:01   #3 (permalink)
caaron
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Re: 850 Tranny question

They definitely used ATF in it. I watched as they did it to make sure.

Chuck


"Doug Warner" <dwarner22@ccharter.net> wrote in message
news:s6qtl111vg7o6o5u47go8fq8lqplon1flr@4ax.com...
"caaron" <chuck~nospammers~aaron@comcast.net> wrote:

>I have a 94 850 non-turbo with an automatic transmission. About a month
>ago
>I had the transmission fluid drained and replaced twice (the car has 138000
>miles on it). The transmission normally works fine, but lately, as the
>weather has turned colder (about 40 degrees overnight) when I first start
>the car the transmission slips in low gear and is hesitant to shift to the
>next gear. As soon as the car warms up it works perfectly again--it is
>only
>that first cold start of the day. Could this have anything to do with the
>fluid change? Any suggestions as to what is needed or how to fix it?
>
>Chuck
>



I wonder if they filled it with the correct fluid? Check the
dipstick, does it look/feel unusually thick? Collect some, take to
transmission shop and ask if they think it looks / smells like ATF.

--
Email reply: please remove one letter from each side of "@"
Spammers are Scammers. Exterminate them.


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Old 10-26-2005, 02:01   #4 (permalink)
John Horner
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Re: 850 Tranny question

caaron wrote:
> They definitely used ATF in it. I watched as they did it to make sure.
>
> Chuck
>



Did they use the correct ATF????? There are many varieties of ATF fluid
now. I think your 850 automatic uses a special ATF. Was the work done
at a Volvo dealer or Volvo specialist? If you went to a generic shop
it is quite possible that they might have put the wrong type of ATF in
there ... and I do not trust the "universal" ATF fluids some lubricant
companies are selling.

John
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Old 10-26-2005, 06:01   #5 (permalink)
caaron
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Re: 850 Tranny question

That is a good question. I will check to see in the book what is called for
and find out what they put in. From reading other Volvo resource threads I
have heard of the same symptoms as a result of a bad gear position sensor
(PNP) and wondered if that could be responsible for my problem.

Chuck


"John Horner" <jthorner@yahoo.com> wrote in message
news:8YG7f.6402$Yn4.4370@trnddc03...
> caaron wrote:
>> They definitely used ATF in it. I watched as they did it to make sure.
>>
>> Chuck
>>

>
>
> Did they use the correct ATF????? There are many varieties of ATF fluid
> now. I think your 850 automatic uses a special ATF. Was the work done at
> a Volvo dealer or Volvo specialist? If you went to a generic shop it is
> quite possible that they might have put the wrong type of ATF in there ...
> and I do not trust the "universal" ATF fluids some lubricant companies are
> selling.
>
> John



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Old 10-26-2005, 07:01   #6 (permalink)
Stephen Henning
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Re: 850 Tranny question

"caaron" <chuck~nospammers~aaron@comcast.net> wrote:

> That is a good question. I will check to see in the book what is called for
> and find out what they put in. From reading other Volvo resource threads I
> have heard of the same symptoms as a result of a bad gear position sensor
> (PNP) and wondered if that could be responsible for my problem.


Usually a bad PNP switch will cause the flashing yellow arrow which
indicates the computer has found a transmission problem. This sounds
more like an ATF problem.
--
Cheers, Steve Henning in Reading, PA, USA
Owned '67,'68,'71,'74,'79,'81,'87,'93,'95 & '01 Volvos.
The '67,'74,'79,'87,'95 and '01 through European Delivery.
http://home.earthlink.net/~rhodyman/volvo.html
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