Help! Tranny Won't Shift To 1st! - Page 2 - Taurus Car Club of America : Ford Taurus Forum
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post #11 of 20 (permalink) Old 12-17-2008, 02:19 PM Thread Starter
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Geez, that magnet looks horrible. I have never seen one with that large particles or that many particles on it. I would say you have an internal mechanical tranny problem
[/b]
I was thinking that too, but maybe that the TRS isnt sending the correct voltage to the tranny when shes in drive but sends it when its shifted to first..

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post #12 of 20 (permalink) Old 12-17-2008, 03:14 PM
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Before replacng the TRS, I would find some one with a scan tool (not a code reader) that can read PIDs so you can see what the TRS is telling the PCM. I am still betting on an internal trans problem with all that crap on the magnet. When the trans was replaced, was it a new / reman unit or one from a JY?

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post #13 of 20 (permalink) Old 12-17-2008, 03:44 PM Thread Starter
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Before replacng the TRS, I would find some one with a scan tool (not a code reader) that can read PIDs so you can see what the TRS is telling the PCM. I am still betting on an internal trans problem with all that crap on the magnet. When the trans was replaced, was it a new / reman unit or one from a JY?
[/b]
Brand new from the Ford Factory Specifically for my Taurus. $3,585.98.

Just came back from autozone and SHE'S DROPPING INTO FIRST!!!!

WEWT!

My hypothesis is that the valve body got jammed with all the crud in the trans fluid, and I fixed it by cleaning it.

But the codes were:

<strike>P1100 MAFS Null reading</strike> (I was seafoaming it and didn't have the mafs hooked up)

P0500 VSS Malfunction <<<<This might have been the cause. I'm buying a new VSS just in case and keeping it in stock.

Both codes are clear and NO problems recorded so far. I will keep everyone up to date.

Thanks everyone!

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post #14 of 20 (permalink) Old 12-19-2008, 03:40 AM Thread Starter
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Update:

Well she's now dropping from 4th to third randomly.

This seems like a TRS issue no?

I'll try resetting the PCM. Hopefully that will cure it of this random od drop.

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post #15 of 20 (permalink) Old 12-19-2008, 04:49 AM
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Do u still have warranty on your transmission? That much crudd means u have a failing unit, how many miles are on that remain? When was the last time u dropped the pan to change the fluid? Do any neutral drops? I once dropped the pan on my friend's Iroc Z after he bought it and it looked just like that, but it was still shifting fine, the last owner must have had some fun with it before selling it, as the fluid was still pink. He tradded it in before the tranny went, lol
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post #16 of 20 (permalink) Old 12-19-2008, 02:10 PM Thread Starter
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Do u still have warranty on your transmission? That much crudd means u have a failing unit, how many miles are on that remain? When was the last time u dropped the pan to change the fluid? Do any neutral drops? I once dropped the pan on my friend's Iroc Z after he bought it and it looked just like that, but it was still shifting fine, the last owner must have had some fun with it before selling it, as the fluid was still pink. He tradded it in before the tranny went, lol
[/b]
No I dont, If I did I woulda used it as soon as I was having trouble

I got it changed at 60K and now its 98K.

I changed the fluid about 3 days ago.

Never done any neutral drops because I'm not stupid.

I'm not having any slipping.


Its just randomly dropping out of OD. So I really think its more along the lines of the Tranny control systems.

Ugh I wish I had a manual.

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post #17 of 20 (permalink) Old 12-20-2008, 02:19 PM
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You need as rebuild period homey.
No getting around it. That much metal on the magnet tells the tale.
You probably have worn frictions, worn steel's, and some hard parts eaten up. I would just have it rebuilt.
Its not that bad to remove and replace your self if you have a place to get out of the weather to do it. Removing it and installing it your self weill save you around 1000 in labor.
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post #18 of 20 (permalink) Old 12-21-2008, 12:34 AM
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You had a code for the VSS, and a failing VSS would cause weird shifting problems. You should either replace it, since you said you were gonna get one anyway, or take it to someone who can monitor the VSS signal while driving to see what it's doing.

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post #19 of 20 (permalink) Old 12-21-2008, 12:58 AM
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I would replace the vss first, but take all that metal as a sign of what is to come
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post #20 of 20 (permalink) Old 12-21-2008, 04:15 AM Thread Starter
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Unhappy

Quote:
You need as rebuild period homey.
No getting around it. That much metal on the magnet tells the tale.
You probably have worn frictions, worn steel's, and some hard parts eaten up. I would just have it rebuilt.
Its not that bad to remove and replace your self if you have a place to get out of the weather to do it. Removing it and installing it your self weill save you around 1000 in labor.
[/b]
I'm trying to postpone the inevitable. I need it to last me till June then I can work on it and should have another ride by then for the rebuild.


Quote:
You had a code for the VSS, and a failing VSS would cause weird shifting problems. You should either replace it, since you said you were gonna get one anyway, or take it to someone who can monitor the VSS signal while driving to see what it's doing.
[/b]
I'm waiting for the SES to come up again and I'm going to hook up a VSS Pigtail and have my friend use his diagnostic laptop to check it out.


Quote:
I would replace the vss first, but take all that metal as a sign of what is to come
[/b]
Hopefully she will last me till June.


Ps... she's behaving for now.. hopefully the crud is being cleaned by the filter.

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